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Appearance
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White crystals or crystalline flakes (turns pink on exposure to air and light)
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Assay
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Min 99%
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|
Acidity or alkalinity
|
Max 0.0005 meq/g
|
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Calcium (Ca)
|
Max 0.0005%
|
|
Copper (Cu)
|
Max 0.00005%
|
|
Iron (Fe)
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Max 0.0001%
|
|
Lead (Pb)
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Max 0.00005%
|
|
Magnesium (Mg)
|
Max 0.00005%
|
|
Other organic impurities
|
Must be pass
|
|
Potassium (K)
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Max 0.0005%
|
|
Sodium (Na)
|
Max 0.001%
|
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Total chloride
|
Max 0.0005%
|
|
Total Phosphorus
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Max 0.002%
|
|
Total Silicon
|
Max 0.0005%
|
|
Total Sulphur
|
Max 0.005%
|
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Matter insoluble in water
|
Max 0.005 %
|
|
Zinc (Zn)
|
Max 0.00005%
|