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Appearance
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White powder
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|
Assay (on anhydrous basis)
|
98.0-102.0%
|
|
Identification
|
To comply tests as per USP
|
|
Acidity or alkalinity
|
To comply test as per USP
|
|
Loss on drying (at 150°C; 4 hrs)
|
Max 1.0%
|
|
Fluorosilicate (SiF6)
|
To comply test as per USP
|
|
Chloride (Cl)
|
Max 0.012%
|
|
Heavy metal (as Pb)
|
Max 0.003%
|
|
Organic volatile impurities (By GC)
|
To meet the requirment
|