Zinc Oxide (Indirect Method)
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Index Item
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Index
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Type I
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Type II
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Super Grade
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Grade1
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Qualified Grade
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Super Grade
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Grade1
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Qualified Grade
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|
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Zinc oxide %>=
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99.70
|
99.50
|
99.40
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99.70
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99.50
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99.40
|
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Metallic metals (as Zn) %<=
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None
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None
|
0.008
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None
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None
|
0.008
|
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Lead oxide (as pb) %<=
|
0.037
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0.05
|
0.14
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-
|
-
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-
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Manganic oxide (as Mn) %<=
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0.0001
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0.0001
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0.0003
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-
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-
|
-
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|
Copper oxide (as Cu) %<=
|
0.0002
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0.0004
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0.0007
|
-
|
-
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-
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Insolubles in HCL solution%<=
|
0.006
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0.008
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0.05
|
-
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-
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-
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Losses on ignition %<=
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0.2
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0.2
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0.2
|
-
|
-
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-
|
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Screening residues (through 45µm mesh) %<=
|
0.10
|
0.15
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0.20
|
0.10
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0.15
|
0.20
|
|
Soluble matters in Water %<=
|
0.10
|
0.10
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0.15
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0.10
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0.10
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0.15
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Volatile matters at 105¡ãC %<=
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0.3
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0.4
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0.5
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0.3
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0.4
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0.5
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|
Oilabsorption g/100g <=
|
-
|
-
|
-
|
14
|
14
|
14
|
|
Colour (compared with standard specimen)
|
-
|
-
|
-
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Similar
|
Few
|
Little
|
|
Colour killing ( Compared with standard specimen)
%>= |
-
|
-
|
-
|
100
|
95
|
90
|
Zinc Oxide Uses:Zinc oxide used for paint,printing ink,rubber,cable, medicines,electronics ,papermaking ,enamel,match,cosmetic and other chemical industry application. (Zinc Oxide)
Zinc Oxide Packing: 25kg, 50kg, big sack bag or as required by the customer.(Zinc Oxide)
Zinc Oxide Packing: 25kg, 50kg, big sack bag or as required by the customer.(Zinc Oxide)