![\"\"](\"http://ars.els-cdn.com/content/image/1-s2.0-0016703768900665-si1.gif\" "\\"\\"")
, and ![\"\"](\"http://ars.els-cdn.com/content/image/1-s2.0-0016703768900665-si2.gif\" "\\"\\"")
values for the KSO4− ion are −245.96 and −274.02 kcal mole−1, and S° is +42.3 cal mole−1 deg−1.No abstract available.
","language":"English","publisher":"American Chemical Society","doi":"10.1021/es60016a004","issn":"0013936X","usgsCitation":"Skougstad, M., and Scarbro, G., 1968, Water sample filtration unit: Environmental Science & Technology, v. 2, no. 4, p. 298-301, https://doi.org/10.1021/es60016a004.","productDescription":"4 p.","startPage":"298","endPage":"301","costCenters":[],"links":[{"id":220909,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"2","issue":"4","noUsgsAuthors":false,"publicationDate":"2002-05-01","publicationStatus":"PW","scienceBaseUri":"505bcc6fe4b08c986b32db42","contributors":{"authors":[{"text":"Skougstad, M. W.","contributorId":59418,"corporation":false,"usgs":true,"family":"Skougstad","given":"M. W.","affiliations":[],"preferred":false,"id":361230,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Scarbro, G.F. Jr.","contributorId":96007,"corporation":false,"usgs":true,"family":"Scarbro","given":"G.F.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":361231,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":1013735,"text":"1013735 - 1968 - Current status of whirling disease in salmonids in U.S","interactions":[],"lastModifiedDate":"2012-02-02T00:04:20","indexId":"1013735","displayToPublicDate":"1968-01-01T00:00:00","publicationYear":"1968","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":719,"text":"American Fishes and U.S. Trout News","active":true,"publicationSubtype":{"id":10}},"title":"Current status of whirling disease in salmonids in U.S","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"American Fishes and U.S. Trout News","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"732/FH","usgsCitation":"Hoffman, G.L., 1968, Current status of whirling disease in salmonids in U.S: American Fishes and U.S. Trout News, v. November-December, p. 10, 12, 19-20.","productDescription":"p. 10, 12, 19-20","startPage":"10, 12, 19","endPage":"20","numberOfPages":"11","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":130037,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"November-December","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a50e4b07f02db6296c6","contributors":{"authors":[{"text":"Hoffman, G. L.","contributorId":70713,"corporation":false,"usgs":true,"family":"Hoffman","given":"G.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":319162,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70011471,"text":"70011471 - 1968 - Determination of gold in rocks by neutron activation analysis using fire-assay preconcentration","interactions":[],"lastModifiedDate":"2023-03-20T15:54:42.990636","indexId":"70011471","displayToPublicDate":"1968-01-01T00:00:00","publicationYear":"1968","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":761,"text":"Analytical Chemistry","active":true,"publicationSubtype":{"id":10}},"title":"Determination of gold in rocks by neutron activation analysis using fire-assay preconcentration","docAbstract":"No abstract available.
","language":"English","publisher":"ACS Publications","doi":"10.1021/ac60263a031","usgsCitation":"Simon, F., and Millard, H.T., 1968, Determination of gold in rocks by neutron activation analysis using fire-assay preconcentration: Analytical Chemistry, v. 40, no. 7, p. 1150-1152, https://doi.org/10.1021/ac60263a031.","productDescription":"3 p.","startPage":"1150","endPage":"1152","numberOfPages":"3","costCenters":[],"links":[{"id":220707,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"40","issue":"7","noUsgsAuthors":false,"publicationDate":"2002-05-01","publicationStatus":"PW","scienceBaseUri":"5059ffa9e4b0c8380cd4f2fa","contributors":{"authors":[{"text":"Simon, F.O.","contributorId":41808,"corporation":false,"usgs":true,"family":"Simon","given":"F.O.","email":"","affiliations":[],"preferred":false,"id":361190,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Millard, Hugh T. Jr.","contributorId":67502,"corporation":false,"usgs":true,"family":"Millard","given":"Hugh","suffix":"Jr.","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":361191,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70011475,"text":"70011475 - 1968 - Variation of Nb-Ta, Zr-Hf, Th-U and K-Cs in two diabase-granophyre suites","interactions":[],"lastModifiedDate":"2020-11-29T16:59:55.117971","indexId":"70011475","displayToPublicDate":"1968-01-01T00:00:00","publicationYear":"1968","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1759,"text":"Geochimica et Cosmochimica Acta","active":true,"publicationSubtype":{"id":10}},"title":"Variation of Nb-Ta, Zr-Hf, Th-U and K-Cs in two diabase-granophyre suites","docAbstract":"Concentrations of Nb, Ta, Zr, Hf, Th, U and Cs have been determined in samples of igneous rocks representing the diabase-granophyre suites from Dillsburg, Pennsylvania, and Great Lake, Tasmania.
Niobium and tantalum have a three to fourfold increase with differentiation in each of the suites. The chilled margin of the Great Lake intrusion contains half the niobium and tantalum content (5.3 ppm and 0.4 ppm, respectively) of the chilled basalt from Dillsburg (10 ppm and 0.9 ppm, respectively). The twofold difference between the suites is correlated with differences in their titanium content. The average
The zirconium content of the two suites is essentially the same and increases from 50 to 60 ppm in the chilled margins to 240–300 ppm in the granophyres. Hafnium is low in the early formed rocks (0.5 –1.5 ppm and achieves a maximum in the granophyres (5–8 ppm). The
In the Dillsburg suite thorium and uranium increase from 2.6 ppm and 0.6 ppm, respectively, in the chilled samples to 11.8 ppm and 3.1 ppm in the granophyres. The chilled margin of the Great Lake suite contains 3.2 ppm thorium and 9.8 ppm uranium; the granophyre contains 11.2 ppm thorium and 2.8 ppm uranium. The average
Cesium and the
A comparison of the abundance of some of these elements is made with those reported on oceanic tholeiites from the Atlantic and Pacific oceans. Trace elements with large ionic radii (Th, U, Cs) are present in significantly greater concentrations in the two continental tholeiitic series than in the oceanic tholeiites. However, this does not seem to be true for lithophilic elements of smaller ionic radii (Zr and Nb). These trace element distribution patterns, when considered with other minor element and isotopic studies, indicate that
A cell without liquid junction was used to obtain dissociation constants for the reaction: KSO4− = K+ +SO42−. At 10°, 25°, 38° and 50°C, values for Kdiss KSO4− are, respectively, 0.195, 0.142, 0.117, and 0.095. At 25°C, , and values for the KSO4− ion are −245.96 and −274.02 kcal mole−1, and S° is +42.3 cal mole−1 deg−1.
No abstract available.
","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"Annual report of the Great Lakes Fishery Commission 1967","largerWorkSubtype":{"id":3,"text":"Organization Series"},"language":"English","publisher":"Great Lakes Fishery Commission","usgsCitation":"Smith, B.R., 1968, Lamprey control and research in the United States: Annual Report 1967, p. 26-43.","productDescription":"p. 26-43","startPage":"26","endPage":"43","numberOfPages":"18","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":198946,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b32e4b07f02db6b424a","contributors":{"authors":[{"text":"Smith, Bernard R.","contributorId":38924,"corporation":false,"usgs":true,"family":"Smith","given":"Bernard","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":324960,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":2001430,"text":"2001430 - 1968 - Parasites of freshwater fishes IV, Miscellaneous, The anchor worm (Lernaea cyprinacea) and related species","interactions":[],"lastModifiedDate":"2012-02-02T00:14:57","indexId":"2001430","displayToPublicDate":"1968-01-01T00:00:00","publicationYear":"1968","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":22,"text":"Fish Disease Leaflet","active":false,"publicationSubtype":{"id":1}},"seriesNumber":"12","title":"Parasites of freshwater fishes IV, Miscellaneous, The anchor worm (Lernaea cyprinacea) and related species","docAbstract":"No abstract available at this time","language":"English","publisher":"U.S. Fish and Wildlife Service","collaboration":"702/FH","usgsCitation":"Putz, R., and Bowen, J., 1968, Parasites of freshwater fishes IV, Miscellaneous, The anchor worm (Lernaea cyprinacea) and related species: Fish Disease Leaflet 12, 4 p.","productDescription":"4 p.","startPage":"0","endPage":"4","numberOfPages":"4","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":199128,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae3e4b07f02db689255","contributors":{"authors":[{"text":"Putz, R.E.","contributorId":42543,"corporation":false,"usgs":true,"family":"Putz","given":"R.E.","email":"","affiliations":[],"preferred":false,"id":325707,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bowen, J.T.","contributorId":67946,"corporation":false,"usgs":true,"family":"Bowen","given":"J.T.","email":"","affiliations":[],"preferred":false,"id":325708,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70175662,"text":"70175662 - 1968 - Records of precipitation, aquifer head, and ground-water recharge to the Edwards and associated limestones, San Antonio area, Texas, 1967","interactions":[],"lastModifiedDate":"2016-08-17T15:05:30","indexId":"70175662","displayToPublicDate":"1968-01-01T00:00:00","publicationYear":"1968","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":2,"text":"State or Local Government Series"},"seriesTitle":{"id":5177,"text":"Edwards Underground Water District Bulletin","active":true,"publicationSubtype":{"id":2}},"seriesNumber":"18","title":"Records of precipitation, aquifer head, and ground-water recharge to the Edwards and associated limestones, San Antonio area, Texas, 1967","docAbstract":"No abstracts available.
","language":"English","publisher":"Edwards Underground Water District","usgsCitation":"Rettman, P., 1968, Records of precipitation, aquifer head, and ground-water recharge to the Edwards and associated limestones, San Antonio area, Texas, 1967: Edwards Underground Water District Bulletin 18, 9 p.","productDescription":"9 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"links":[{"id":326761,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57b58b56e4b03bcb0104bc45","contributors":{"authors":[{"text":"Rettman, Paul","contributorId":68699,"corporation":false,"usgs":true,"family":"Rettman","given":"Paul","affiliations":[],"preferred":false,"id":645948,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70175661,"text":"70175661 - 1968 - Ground-water discharge from the Edwards and associated limestones, San Antonio area, Texas, 1967","interactions":[],"lastModifiedDate":"2016-08-17T15:02:44","indexId":"70175661","displayToPublicDate":"1968-01-01T00:00:00","publicationYear":"1968","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":2,"text":"State or Local Government Series"},"seriesTitle":{"id":5177,"text":"Edwards Underground Water District Bulletin","active":true,"publicationSubtype":{"id":2}},"seriesNumber":"17","title":"Ground-water discharge from the Edwards and associated limestones, San Antonio area, Texas, 1967","docAbstract":"No abstracts available.
","language":"English","publisher":"Edwards Underground Water District","usgsCitation":"Rettman, P., 1968, Ground-water discharge from the Edwards and associated limestones, San Antonio area, Texas, 1967: Edwards Underground Water District Bulletin 17, 4 p.","productDescription":"4 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"links":[{"id":326760,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57b58ad1e4b03bcb0104bbc2","contributors":{"authors":[{"text":"Rettman, Paul","contributorId":68699,"corporation":false,"usgs":true,"family":"Rettman","given":"Paul","affiliations":[],"preferred":false,"id":645947,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":1000125,"text":"1000125 - 1968 - A surface tow net for collection of parasitic-phase sea lampreys","interactions":[],"lastModifiedDate":"2013-01-29T10:13:20","indexId":"1000125","displayToPublicDate":"1968-01-01T00:00:00","publicationYear":"1968","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3196,"text":"Progressive Fish-Culturist","active":true,"publicationSubtype":{"id":10}},"title":"A surface tow net for collection of parasitic-phase sea lampreys","docAbstract":"A STUDY OF MIGRATORY BEHAVIOR of parasitic sea lampreys (Petromyzon marinus) in the Great Lakes required a means of capturing lampreys for tagging and releasing in St. Marys River, Lake Huron. Smith and Elliott (1953) fished specially made gill and trap nets for sea lampreys, but stationary nets could not be used in the St. Marys River because of boat traffic, interference with sport fishermen, and fast currents.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Progressive Fish-Culturist","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Taylor & Francis","publisherLocation":"London, UK","doi":"10.1577/1548-8640(1968)30[183:ASTNFC]2.0.CO;2","collaboration":"Out-of-print","usgsCitation":"Dahl, F.H., 1968, A surface tow net for collection of parasitic-phase sea lampreys: Progressive Fish-Culturist, v. 30, no. 3, p. 183-184, https://doi.org/10.1577/1548-8640(1968)30[183:ASTNFC]2.0.CO;2.","productDescription":"2 p.","startPage":"183","endPage":"184","numberOfPages":"2","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":128578,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":266665,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1577/1548-8640(1968)30[183:ASTNFC]2.0.CO;2"}],"volume":"30","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b17e4b07f02db6a5ef2","contributors":{"authors":[{"text":"Dahl, Frederick H.","contributorId":90258,"corporation":false,"usgs":true,"family":"Dahl","given":"Frederick","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":308114,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":1003267,"text":"1003267 - 1968 - Turnover and urinary excretion of free and acetylated MS-222 rainbow trout, Salmo gairdneri","interactions":[],"lastModifiedDate":"2013-03-13T21:28:15","indexId":"1003267","displayToPublicDate":"1968-01-01T00:00:00","publicationYear":"1968","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2543,"text":"Journal of the Fisheries Research Board of Canada","active":true,"publicationSubtype":{"id":10}},"title":"Turnover and urinary excretion of free and acetylated MS-222 rainbow trout, Salmo gairdneri","docAbstract":"Rainbow trout (Salmo gairdneri) anesthetized in 100 mg/liter of M.S. 222 at 12 C excreted the drug in free and acetylated forms via the urine during a 24-hr recovery period in freshwater. Of the M.S. 222 excreted, 77-96% was acetylated. Blood levels of free drug in anesthetized trout approximated 75% of the anesthetic concentration, but the amount of acetylated M.S. 222 was relatively insignificant. The blood and urine were cleared of the two fractions of M.S. 222 in 8 and 24 hr respectively. Low levels of aromatic amines of natural origin occurred in blood and urine and were subtracted from measurements of M.S. 222. Intraperitoneal injections of 10-100 mg/kg of M.S. 222 did not induce anesthesia; however, the 24-hr pattern of drug excretion was similar to that observed after anesthesia by immersion. Only 15-21 % of the injected dose was found in the urine, suggesting a second route of drug elimination.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of the Fisheries Research Board of Canada","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1139/f68-003","usgsCitation":"Hunn, J.B., Schoettger, R., and Willford, W., 1968, Turnover and urinary excretion of free and acetylated MS-222 rainbow trout, Salmo gairdneri: Journal of the Fisheries Research Board of Canada, v. 25, no. 1, p. 25-31, https://doi.org/10.1139/f68-003.","productDescription":"pp. 25-31","startPage":"25","endPage":"31","numberOfPages":"7","costCenters":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"links":[{"id":269313,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1139/f68-003"},{"id":134256,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"25","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4afee4b07f02db69765d","contributors":{"authors":[{"text":"Hunn, J. 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","language":"English","publisher":"Oxford Academic","doi":"10.1093/infdis/118.3.253","usgsCitation":"Wolf, K., Bullock, G.L., Dunbar, C.E., and Quimby, M.C., 1968, Tadpole edema virus: A viscerotropic pathogen for anuran amphibians: Journal of Infectious Diseases, v. 118, p. 253-262, https://doi.org/10.1093/infdis/118.3.253.","productDescription":"10 p.","startPage":"253","endPage":"262","numberOfPages":"10","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":129217,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"118","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adde4b07f02db686f90","contributors":{"authors":[{"text":"Wolf, K.","contributorId":16344,"corporation":false,"usgs":true,"family":"Wolf","given":"K.","email":"","affiliations":[],"preferred":false,"id":319654,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bullock, G. L.","contributorId":69498,"corporation":false,"usgs":true,"family":"Bullock","given":"G.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":319655,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dunbar, C. E.","contributorId":96623,"corporation":false,"usgs":true,"family":"Dunbar","given":"C.","middleInitial":"E.","affiliations":[],"preferred":false,"id":319656,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Quimby, M. C.","contributorId":14334,"corporation":false,"usgs":true,"family":"Quimby","given":"M.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":319653,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70009843,"text":"70009843 - 1968 - Pre-gilbertian conceptions of terrestrial magnetism","interactions":[],"lastModifiedDate":"2020-11-29T17:19:54.822523","indexId":"70009843","displayToPublicDate":"1968-01-01T00:00:00","publicationYear":"1968","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3525,"text":"Tectonophysics","active":true,"publicationSubtype":{"id":10}},"title":"Pre-gilbertian conceptions of terrestrial magnetism","docAbstract":"It is now well known that William Gilbert, in his De Magnete of 1600, first suggested that the earth behaves as a great magnet. By their very nature, however, such explicit statements tend, in retrospect, to be emphasised at the expense of less explicit antecedent ideas and experiments, with the result that, in the example under consideration here, the impression has sometimes been given that before Gilbert there was not the slightest suspicion that the earth exerts influence on the magnetic needle. In fact, Gilbert's conclusion represented the culmination of many centuries of thought and experimentation on the subject.
This essay traces the main steps in the evolutionary process from the idea that magnetic ‘virtue’ derived from the heave, through the gradual realisation that magnetism is closely associated with the earth, up to the time of Gilbert's definite statement.
","language":"English","publisher":"Elsevier","doi":"10.1016/0040-1951(68)90075-9","issn":"00401951","usgsCitation":"Smith, P., 1968, Pre-gilbertian conceptions of terrestrial magnetism: Tectonophysics, v. 6, no. 6, p. 499-510, https://doi.org/10.1016/0040-1951(68)90075-9.","productDescription":"12 p.","startPage":"499","endPage":"510","numberOfPages":"12","costCenters":[],"links":[{"id":218764,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"6","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a80dde4b0c8380cd7b24d","contributors":{"authors":[{"text":"Smith, P.J.","contributorId":6579,"corporation":false,"usgs":true,"family":"Smith","given":"P.J.","email":"","affiliations":[],"preferred":false,"id":357267,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70009807,"text":"70009807 - 1968 - Nuclear magnetic resonance studies of the phosphorus(v) pesticides: A rapid determination of the isomer ratio of systox","interactions":[],"lastModifiedDate":"2020-11-29T17:21:17.463795","indexId":"70009807","displayToPublicDate":"1968-01-01T00:00:00","publicationYear":"1968","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":760,"text":"Analytica Chimica Acta","active":true,"publicationSubtype":{"id":10}},"title":"Nuclear magnetic resonance studies of the phosphorus(v) pesticides: A rapid determination of the isomer ratio of systox","docAbstract":"The integration circuit of the Varian A-60 nuclear magnetic resonance spectrometer is used in conjunction with vapor phase chromatography, to develop a rapid analysis technique for the determination of isomer ratios in technical Systox-Sulfotepp mixtures. The complete analysis requires less than 0.1 g of sample and only 15 min. The isomer ratio in the sample may be determined to an accuracy of ±1.5% and the undamaged sample may be recovered.
A method is described for the determination of palladium down to 4ppb (parts per billion, 109), platinum down to 10 ppb and rhodium down to 5 ppb in 15 g of sample. Fire-assay techniques are used to preconcentrate the platinum metals into a gold bead, then the bead is dissolved in aqua regia and diluted to volume with 1M hydrochloric acid. The solution is analysed by optical emission spectrography of the residue from 200 μl of it evaporated on a pair of flat-top graphite electrodes. This method requires much less sample handling than most published methods for these elements. Data are presented for G-1, W-1, and six new standard rocks of the U.S. Geological Survey. The values for palladium in W-1 are in reasonable agreement with previously published data.
Measurements of stable isotope abundances of the carbonate portion of the sediment in Deep Springs Lake, California, indicate the presence of at least three phases: a magnesian calcite, a primary sedimentary dolomite, and a detrital dolomite. The former two have isotopic compositions consistent with precipitation at isotopic equilibrium from waters of the lake area. The measured isotopic fractionation factor between sedimentary dolomite and its interstitial water is 1.0351, which is outside the range possible for calcite-water. This indicates that the dolomite has formed by direct crystallization from solution and not from a caloite precursor without further isotope exchange.
Isotopic and X-ray evidence does not support the contention of Petersonet al. (1966) that Deep Springs Lake dolomite crystals grow by means of a calcite-like surface layer.
","language":"English","publisher":"Elsevier","doi":"10.1016/0016-7037(68)90076-8","issn":"00167037","usgsCitation":"Clayton, R., and Jones, B., 1968, Isotope studies of dolomite formation under sedimentary conditions: Geochimica et Cosmochimica Acta, v. 32, no. 4, 20 p., https://doi.org/10.1016/0016-7037(68)90076-8.","productDescription":"20 p.","costCenters":[],"links":[{"id":220910,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"32","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a3f8ce4b0c8380cd645ed","contributors":{"authors":[{"text":"Clayton, R.N.","contributorId":36291,"corporation":false,"usgs":true,"family":"Clayton","given":"R.N.","email":"","affiliations":[],"preferred":false,"id":361232,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jones, B.F.","contributorId":52156,"corporation":false,"usgs":true,"family":"Jones","given":"B.F.","email":"","affiliations":[],"preferred":false,"id":361233,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70171394,"text":"70171394 - 1968 - Seattle Metro's Duwamish estuary water quality program","interactions":[],"lastModifiedDate":"2016-05-31T09:50:14","indexId":"70171394","displayToPublicDate":"1968-01-01T00:00:00","publicationYear":"1968","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2573,"text":"Journal of the Water Pollution Control Federation","active":true,"publicationSubtype":{"id":10}},"title":"Seattle Metro's Duwamish estuary water quality program","docAbstract":"No abstract available.
","language":"English","publisher":"Water Environment Federation","usgsCitation":"Gibbs, C.V., and Isaac, G.W., 1968, Seattle Metro's Duwamish estuary water quality program: Journal of the Water Pollution Control Federation, v. 40, no. 3, p. 385-394.","productDescription":"10 p.","startPage":"385","endPage":"394","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":622,"text":"Washington Water Science Center","active":true,"usgs":true}],"links":[{"id":321879,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":321878,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.jstor.org/stable/25036045"}],"volume":"40","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"574eb5dce4b0ee97d51a83fc","contributors":{"authors":[{"text":"Gibbs, Charles V.","contributorId":169725,"corporation":false,"usgs":false,"family":"Gibbs","given":"Charles","email":"","middleInitial":"V.","affiliations":[],"preferred":false,"id":630882,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Isaac, Gary W.","contributorId":169726,"corporation":false,"usgs":false,"family":"Isaac","given":"Gary","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":630883,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70011642,"text":"70011642 - 1968 - Magnetic susceptibilities of metalloporphyrins","interactions":[],"lastModifiedDate":"2025-02-07T16:57:05.912822","indexId":"70011642","displayToPublicDate":"1968-01-01T00:00:00","publicationYear":"1968","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2355,"text":"Journal of Inorganic and Nuclear Chemistry","active":true,"publicationSubtype":{"id":10}},"title":"Magnetic susceptibilities of metalloporphyrins","docAbstract":"No abstract available.
","language":"English","publisher":"Elsevier","doi":"10.1016/0022-1902(68)80186-1","issn":"00221902","usgsCitation":"Hambright, W., Thorpe, A.N., and Alexander, C., 1968, Magnetic susceptibilities of metalloporphyrins: Journal of Inorganic and Nuclear Chemistry, v. 30, no. 11, p. 3139-3142, https://doi.org/10.1016/0022-1902(68)80186-1.","productDescription":"4 p.","startPage":"3139","endPage":"3142","numberOfPages":"4","costCenters":[],"links":[{"id":221305,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"30","issue":"11","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a4b89e4b0c8380cd695f4","contributors":{"authors":[{"text":"Hambright, W.P.","contributorId":58016,"corporation":false,"usgs":true,"family":"Hambright","given":"W.P.","email":"","affiliations":[],"preferred":false,"id":361601,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Thorpe, A. N.","contributorId":53504,"corporation":false,"usgs":true,"family":"Thorpe","given":"A.","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":361600,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Alexander, C.C.","contributorId":34256,"corporation":false,"usgs":true,"family":"Alexander","given":"C.C.","email":"","affiliations":[],"preferred":false,"id":361599,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70194905,"text":"70194905 - 1968 - Geology and hydrology of a proposed site for burial of solid radioactive waste southeast of Beatty, Nye County, Nevada","interactions":[],"lastModifiedDate":"2018-01-29T13:23:38","indexId":"70194905","displayToPublicDate":"1968-01-01T00:00:00","publicationYear":"1968","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":9,"text":"Other Report"},"seriesNumber":"WASH-1143","title":"Geology and hydrology of a proposed site for burial of solid radioactive waste southeast of Beatty, Nye County, Nevada","docAbstract":"No abstract available.