ZINC SULPHATE DRIED (MONOHYDRATE)   74446-19-7 Laboratory Chemicals Exporters, Lab Chemical Suppliers, Chemical Search, Manufacturers in Mumbai, India.
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Certificate of Analysis of ZINC SULPHATE DRIED (MONOHYDRATE)


Product Name: ZINC SULPHATE DRIED (MONOHYDRATE)
molecular formula:
Weight:
Art NO:
Batch No: AL4246 - ZINC
Manufacturing Date:Aug 2011
Expiry Date: Aug 2016

AL4246

 

Mol. Formula     :- ZnSO4.H2O

  Mol. Weight      :- 179.45

 

 

 

Sr

no.

 

Tests

 

Specifications

 

Results

1

Description

White crystalline powder

White crystalline powder

2

Assay

99 - 100.5%

100.0%

3

PH (5% in water)

4.0 to 5.2

4.40

4

Free acid

Passes test

Passes test

5

Chloride (Cl)

<0.002%

0.002%

6

Arsenic (As)

<0.0005%

<0.0005%

7

Lead (Pb)

<0.002%

<0.002%

8

Iron (Fe)

<0.003%

0.002%

 

9

Alkaline & earth alkaline (as

SO4)

 

<0.7%

 

0.6%

10

Loss on drying at 105C

<1.0%

0.9%