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ZINC
OXIDE |
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MOLECULAR FORMULA: ZnO MOL.WT: 81.4 CAS NO. 1314-13-2 |
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DESCRIPTION: A SOFT, WHITE
OR FAINTLY YELLOWISH WHITE AMORPHOUS POWDER |
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GRADES |
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SPECIFICATION |
IP |
BP |
USP |
ACS |
AR |
LR |
FCC |
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IDENTIFICATION |
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TO
COMPLY |
TO
COMPLY |
TO
COMPLY |
--- |
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TO
COMPLY |
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SOLUBILITY |
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--- |
TO
COMPLY |
--- |
--- |
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ALKALINITY |
MAX. |
TO COMPLY |
TO
COMPLY |
TO
COMPLY |
TO
COMPLY |
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TO
COMPLY |
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ARSENIC |
MAX. |
5PPM |
5PPM |
6PPM |
2PPM |
0.0001% |
0.0005% |
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CARBONATE & SUBSTANCES INSOLUBLE IN ACIDS |
MAX. |
TO
COMPLY |
TO
COMPLY |
--- |
--- |
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LEAD |
MAX. |
TO
COMPLY |
50PPM |
TO
COMPLY |
0.005% |
0.02% |
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LOSS IGNITION AT 5000C |
MAX. |
1.0% |
1.0% |
1.0% |
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0.5%
(6000) |
1.0% |
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IRON & OTHER HEAVY METALS |
MAX. |
--- |
--- |
TO
COMPLY |
--- |
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MANGANESE |
MAX. |
--- |
--- |
--- |
5PPM |
0.001% |
0.02% |
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REDUCEING SUBSTANCES |
MAX. |
--- |
--- |
--- |
--- |
0.0016% |
14-18% |
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METALLIC ZINC |
MAX. |
--- |
--- |
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0.002% |
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ASSAY |
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99.0-100.5% |
99.0-100.5% |
99.0-100.5% |
99.0%
(MIN) |
99.70%
(MIN) |
99.0%
(MIN) |
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IRON |
MAX. |
400PPM |
200PPM |
--- |
0.001% |
0.0003% |
0.02% |
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INSOLUBLE IN DILUTE H2SO4 |
MAX. |
--- |
--- |
--- |
0.01% |
0.01% |
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CHLORIDE |
MAX. |
--- |
--- |
--- |
0.001% |
0.002% |
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NITRATE |
MAX. |
--- |
--- |
--- |
0.003% |
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CALCIUM |
MAX. |
--- |
--- |
--- |
0.005% |
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MAGNESIUM |
MAX. |
--- |
--- |
--- |
0.005% |
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SODIUM |
MAX. |
--- |
--- |
--- |
0.05% |
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SULPHATE |
MAX. |
--- |
--- |
--- |
0.01% |
0.01% |
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NITROGEN COMP |
MAX. |
--- |
--- |
--- |
--- |
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CADMIUM |
MAX. |
--- |
10PPM |
--- |
--- |
0.002% |
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CARBONATE & COLOR OF SOLUTION |
MAX. |
--- |
--- |
TO
COMPLY |
--- |
O.25% |
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POTASSIUM |
MAX. |
--- |
--- |
--- |
0.01% |
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