This standard was last reviewed and confirmed in 2020. Therefore this version remains current.
Abstract Preview
Phosphorus content can be determined in the range of 0,000 5 % (m/m) to 0,05 % (m/m). As, Cr, Hf, Nb, Si, Ta, Ti, W interfere, but the interferences can be avoided. The principle is dissolution of a test portion in a mixture of nitric and hydrochloric acids, fuming with perchloric acid, removal of chromium, complexation of silicon, conversion of phosphorus to phosphovanadomolybdic acid, extraction of this compound.
General information
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Status : PublishedPublication date : 1992-09
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Edition : 1Number of pages : 5
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- ICS :
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Ferroalloys
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Nickel, chromium and their alloys
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- CHF38
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