| Abstract: | Fluorine in minerals may be determined with the nephelometer to about 1 per cent of the fluorine. The determination is made on an aliquot of the sodium chloride solution of the fluorine, obtained by the Berzelius method of extraction. The fluorine is precipitated as colloidal calcium fluoride in alcoholic solution, gelatin serving as a protective colloid. Arsenates, sulfates, and phosphates, which interfere with the determination, must be removed. |
| Genre: | Article |
| ProdID: | 70010909 |
| Citation Author: | Stevens, R. E. |
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| Citation End Page: | 252 |
| Citation Issue: | 4 |
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| Citation Language: | English |
| Citation Larger Work Title: | Industrial and Engineering Chemistry |
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| Citation Number Of Pages: | 5 |
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| Citation Search Results Text: | Nephelometric determination of fluorine; 1936; Article; Journal; Industrial and Engineering Chemistry; Stevens, R. E. |
| Citation Start Page: | 248 |
| Citation Volume: | 8 |
| Citation Year: | 1936 |
| Type: | citation/reference |
| Text: | Nephelometric determination of fluorine; 1936; Article; Journal; Industrial and Engineering Chemistry; Stevens, R. E. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Wed, 1 Jan 1936 00:00 -0600 |
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