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| CHN | Coulometer | Biogenic Silica | Gamma | Acid Washing | Drying | Grinding | Core Sectioning |
| Sample Grinding | |
| Sample Drying | |
| Sample Weighing | |
| Coulometer Set-up | |
| Running Samples | |
| Shutting Down the Coulometer | |
| Troubleshooting | |
| Changing the Gases | |
| Standards | |
| Material Safety Data Sheets |
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U.S. Department of the Interior, U.S. Geological Survey
URL: http://pubs.usgs.gov/of/2002/of02-371/coulmeth.htm
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Last modified: 10:53:01 Fri 23 May 2003
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