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Appearance
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White or slightly yellow, crystalline powder or colourless crystals, deliquescent.
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Assay (complexometric)
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Min 99%
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Solubility
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Very soluble in water, freely soluble with ethanol (96 Per cent), soluble in glycerol
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Identification (as per BP)
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Passes test
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Appearance of solution
|
Passes test
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Sulphate (SO4)
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Max 0.005%
|
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Calcium (Ca)
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Max 0.01%
|
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Cadmium (Cd)
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Max 0.005%
|
|
Cobalt (Co)
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Max 0.005%
|
|
Copper (Cu)
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Max 0.005%
|
|
Iron (Fe)
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Max 0.001%
|
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Potassium (K)
|
Max 0.01%
|
|
Sodium (Na)
|
Max 0.05%
|
|
Nickel (Ni)
|
Max 0.005%
|
|
Lead (Pb)
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Max 0.005%
|
|
Zinc (Zn)
|
Max 0.005%
|
|
Alkali & alkaline earth metals
|
Max 0.5%
|
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Water (H2O)
|
42.0 to 48.0%
|