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Certificate of Analysis of ZINC OXIDE 98%


Product Name: ZINC OXIDE 98%
molecular formula:
Weight:
Art NO:
Batch No: AL4239 - ZINC
Manufacturing Date:Aug 2011
Expiry Date: Aug 2016

AL4239

 

 

Mol. Formula     :- ZnO

  Mol. Weight       :- 81.38

 

Sr

no.

 

Tests

 

Specifications

 

Results

1

Description

White powder

White powder

2

Assay (Min.)

98.0%

99.10%

 

3

Substance insoluble in acid

& carbonate

 

Passes test

 

Passes test

4

Free alkali (as NaOH)

<0.12%

<0.12%

5

Chloride (Cl)

<0.005%

0.0005%

6

Sulphate (SO4)

<0.02%

0.01%

7

Arsenic (As)

<0.0005%

<0.0005%

8

Lead (Pb)

<0.005%

<0.005%

9

Iron (Fe)

<0.001%

0.0005%

 

10

Substance reducing KMnO4

(as O)

 

<0.0008%

 

<0.0008%

11

Loss on ignition (900C)

<1%

0.78%