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Certificate of Analysis of ZINC OXIDE AR


Product Name: ZINC OXIDE AR
molecular formula:
Weight:
Art NO:
Batch No: AL4241 - ZINC
Manufacturing Date:Aug 2011
Expiry Date: Aug 2016

AL4241

 

Mol. Formula     :- ZnO

  Mol. Weight       :- 81.38

 

Sr

no.

 

Tests

 

Specifications

 

Results

1

Description

White powder

White powder

2

Assay (Min.)

99.0%

99.10%

 

3

Substance insoluble in dilute H2SO4

 

<0.01%

 

<0.01%

4

Free alkali

Passes test

Passes test

5

Chloride (Cl)

<0.001%

0.0005%

6

Sulphate (SO4)

<0.01%

<0.01%

7

Total nitrogen (N)

<0.0005%

<0.0005%

8

Lead (Pb)

<0.002%

<0.002%

9

Copper (Cu)

<0.0005%

<0.0005%

10

Iron (Fe)

<0.0005%

<0.0005%

11

Manganese (Mn)

<0.0005%

<0.0005%

12

Cadmium (Cd)

<0.0005%

<0.0005%

13

Arsenic (As)

<0.0001%

<0.0001%

14

Calcium (Ca)

<0.001%

<0.001%

15

Sodium (Na)

<0.001%

<0.001%

 

16

Substance reducing KMnO4

(as O)

 

<0.0008%

 

<0.0008%