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Appearance
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A white or yellowish-white powder:odourless
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Solubility
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Almost entirely soluble in twice its weight of water yielding a very viscous,slightly acidic solution which is slightly glairy and when diluted with more water and solvent to stand, yields a very small amount of gummy deposit; practically insoluble
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Identification as per IP
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Passes test A, B and C
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Sterculia gum and agar
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The particles should not acquires a red colour after irrigation with water
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Agar and tragacanth
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No precipitate should be formed
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Starch and dextrin
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No blue or brown colour should be produced
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Water insoluble matter
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The residue weight does not exceed 50 mg
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Sucrose and fructose
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No yellow or pink colour should be developed
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Microbial contamination
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1.0 g should free from Escherichia coli
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Sulphated ash
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Max 5.0%
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Acid insoluble ash
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Max 1.0%
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Loss on drying
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Max 15.0% (at 105°C on 1 gm sample)
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