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Description
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Colorless, elongated, prismatic, or cubical crystals, or white, granular powder. Is odorless, has a saline taste, and is stable in air
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Solubility
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Freely soluble in water; insoluble in alcohol
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Identification
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-
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Identification 'A'
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Passes the general test for potassium
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Identification 'B'
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Passes the general test for chloride
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Assay (on dried basis)
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99.0% - 100.5%
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Sodium
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Sample solution tested on a platinum wire should not impart a pronounced yellow color to a nonluminous flame
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Iodide
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The violet colour of the chloroform layer should not darker than that of a concomitantly prepared standard solution (NMT 0.005%)
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Bromide
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The brown colour of the chloroform layer should not darker than that of a concomitantly prepared standard solution (NMT 0.1%)
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Calcium & magnesium
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No turbidity is produced within 5 min
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Specific tests
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-
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Acidity or alkalinity
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A pink color should produced
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Loss on drying
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NMT 1.0%
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