The flame photometric determination of calcium in phosphate,carbonate, and silicate rocks |
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| Authors: | Henry Kramer |
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| Institution: | U.S. Geological Survey, Washington, D.C.U.S.A. |
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| Abstract: | A flame photometric method of determining calcium in phosphate, carbonate, and silicate locks has been developed Aluminum and phosphate interference was overcome by the addition of a large excess of magnesium. The method is rapid and suitable for routine analysis Results obtained are within ± 2% of the calcium oxide content. |
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