The selenium content of U.S.G.S. standard rocks
Chemical Geology
By: M. M. Schnepfe and F.J. Flanagan
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Abstract
Selenium was determined in duplicate portions from three bottles of six U.S.G.S. standard rocks by a spect rofluorimetric procedure. The following averages, as p.p.m. Se, were obtained: PCC-1, 0.031; GSP-1, 0.088; BCR-1, 0.12; SCo-1, 0.91; MAG-1, 1.3; and SGR-1, 3.7. One-way analysis of variance of the several sets of data showed no significant differences in the selenium content among bottles of any specific rock; these samples may be accepted as homogeneous for their selenium contents by this analytical method.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The selenium content of U.S.G.S. standard rocks |
| Series title | Chemical Geology |
| DOI | 10.1016/0009-2541(73)90030-2 |
| Volume | 12 |
| Issue | 1 |
| Year Published | 1973 |
| Language | English |
| Publisher | Elsevier |
| Description | 4 p. |
| First page | 77 |
| Last page | 80 |