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Description
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Colourless, cubic crystals or a white crystalline powder
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Solubility
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Freely soluble in water; soluble in glycerin; slightly soluble in alcohol
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Identification
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-
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Identification 'A'
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Sodium : Gives the general test for sodium
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Identification ‘B’
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Chlorides -The precipitate should dissolve easily with the possible exception of a few large particles, which should dissolve more slowly
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Assay (on dried basis)
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99.0%-100.5%
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Aluminium
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NMT 0.2 ppm
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Arsenic
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NMT 1 ppm
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Barium
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Any opalescences in the test solution should not more intense that in reference solution
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Ferrocyanide
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No blue colour should be develops in 10 min
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Iodide
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No blue colour should be observed
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Iron
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NMT 2 ppm
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Bromides
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NMT 100 ppm
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Phosphates
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NMT 25 ppm
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Potassium
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NMT 500 ppm
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Magnesium and alkali earth metals
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NMT 100 ppm
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Nitrates
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Absorbance should be NMT 0.01
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Sulphates
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NMT 200 ppm
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Appearance of solution
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The solution should be clear and colouless
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Acidity or alkalinity
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NMT 0.5 mL of 0.01 N hydrochloric acid or 0.01 N sodium hydroxide should be required to change the color of this solution
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Loss on drying
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NMT 0.5 %
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Bacterial endotoxin
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Meets the requirements
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Sterility Tests
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Meets the requirements
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