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Specifications Product : SODIUM HYPOPHOSPHITE NaPH2O2.H2O Description : Sodium Hypophosphite occurs as small, colorless, transparent, rectangular plates of pearly lustre, or as white, granular powder. It is deliquescent on exposure to moist air, is odourless, and has a salty taste.
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Grade
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BP 63 (NaPH2O2)
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NF-X (NaPH2O2.H2O)
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EN
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Alkalinity
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1.5 ml of 0.1 N HCl to neutralize
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1.5 ml of 0.1 N HCl to neutralize
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1.5 ml of 0.1 N HCl to neutralize
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Identification
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Should give characteristic reactions of calcium and hypophosphite
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Should give characteristic reactions of Sodium and hypophosphite
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Should give characteristic reactions of Sodium and hypophosphite
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Arsenic
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Max 4 ppm
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Complies to Limit test
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Max 5 ppm
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Solubility
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1part dissolves 1.0 part of water, 30 parts of alcohol and solution is Clear and colorless. Soluble in alcohol
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1.0 gm dissolves slowly in 1.0 ml of water and solution is Clear and colorless. Soluble in alcohol
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-
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Phosphate
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No opalescence within 1 min
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No Precipitates or Turbidity within 1 min
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-
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Lead
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Max. 10 ppm
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-
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-
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Heavy Metals
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-
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Max. 20 ppm
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Max. 10 ppm
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Iron
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-
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-
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Max. 10 ppm
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Chloride
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-
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-
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Max. 150 ppm
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Sulphate
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-
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-
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Max. 0.3 %
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Phosphite
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-
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-
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Max. 0.5 %
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Loss On Drying
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Not More than 2% for 2 hours
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Not More than 3% for 2 hours
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-
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Calcium
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-
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Mixture remains clear for 1 min.
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Max. 100 ppm
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Assay
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98.0 to 101.0 %
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Not Less than 98%
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98.0% to 101.0%
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