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Sodium Hypophosphite
Results Of Analysis
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TESTS
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RESULTS
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LIMITS
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Description
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White Crystalline Powder
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White Crystalline Powder
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Identification
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Test Passes
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Positive Correspond to monograph
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Solubility
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Test Passes
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1gm in 1 ml solution should be clear,
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Colourless and bright
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Loss on drying
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1.35%
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NMT 2%
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Free alkalinity
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0.4ml
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NMT 1.5ml
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Arsenic
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<4 ppm
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NMT 4 ppm
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Calcium
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Not detected
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NMT 50 ppm
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Heavymetals As lead
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< 10 ppm
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NMT 20 ppm
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Free phosphate
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Complies
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NMT 0.5 %
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Assay
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99.3 %
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Not less than 99 %
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