ZINC SULPHATE AR (HEPTAHYDRATE) 99.5%   7446-20-0 Laboratory Chemicals Exporters, Lab Chemical Suppliers, Chemical Search, Manufacturers in Mumbai, India.
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Certificate of Analysis of ZINC SULPHATE AR (HEPTAHYDRATE) 99.5%


Product Name: ZINC SULPHATE AR (HEPTAHYDRATE) 99.5%
molecular formula:
Weight:
Art NO:
Batch No: AL4247 - ZINC
Manufacturing Date:Aug 2011
Expiry Date: Aug 2016

AL4247

 

Mol. Formula     :- ZnSO4.7H2O

  Mol. Weight       :- 287.54

 

Sr

no.

 

Tests

 

Specifications

 

Results

1

Description

White crystalline powder

White crystalline powder

2

Assay (Min.)

99.5 %

99.58 %

3

Reaction

pH  4.4 - 6.0

pH  5.0

4

Insoluble matter

<0.01%

0.005%

5

Chloride (Cl)

<0.0005%

0.0003%

6

Total nitrogen (N)

<0.0001%

<0.0001%

7

Arsenic (As)

<0.0001%

<0.0001%

8

Cadmium (Cd)

<0.0005%

<0.0005%

9

Calcium (Ca)

<0.001%

<0.001%

10

Copper (Cu)

<0.0005%

<0.0005%

11

Iron (Fe)

<0.0005%

0.0003%

12

Lead (Pb)

<0.001%

<0.001%

13

Manganese (Mn)

<0.0003%

<0.0003%

14

Potassium (K)

<0.001%

<0.001%

15

Sodium (Na)

<0.001%

<0.001%