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  Certificate of Analysis
 
 Product : Zinc Sulphate Hepta Hydrate I.P  
 Batch No. : Batch Size :
 Mfg. Date : Received Date :
 Exp. Date : Reporting Date :
 Sample Quality : 2 x 30 gms Packing Date :   25 Kgs

      Analysis applied as per I.P. Specifications

 Test Performed Limit Results
 Description Colourless, transparent crystals or white crystalline powder, odourless, efforescent
 
 Solubility Very Soluble in water, practically insoluble in ethanol (95%)  
 Identification

5% w/v solution gives the reaction of zinc salt and sulphates

 
 PH 5% w/v solution gives a PH between 4.4 to 5.6  
 Clarity and colour of the solution 5% w/v solution is clear and colourless  
 Arsenic Max 10 ppm  
Aluminium, copper, magnesium, Manganese and Nickel Complies with I.P.  
Alkalis and Alkaline earths Complies with I.P.  
Chloride Not more than 250 ppm  
Iron Max 100 ppm  
Assay (ZnSO4, 7H2O) NLT 99% and NMT 104 5  




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