Zinc oxide 99.7%
Physical and chemical properties:
density:5.606; melting point: 1975°
Physical and chemical properties:
density:5.606; melting point: 1975°
Direct method zinc oxide99.7% which belongs to gender-oxide dissolves in Acid, alkali solution but not in water or ethanol.
Direct method zinc oxide turns yellow at high enough temperature and restores white
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Item
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index
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||||||
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product model
|
Hxj051
|
Hxj052
|
Hxj053
|
Hxj054
|
Hxj055
|
Hxj056
|
Hxj057
|
|
ZnO %≥
|
99.9
|
99.8
|
99.7
|
99.5
|
99
|
98
|
96
|
|
Metal zinc (Zn) %≤
|
none
|
none
|
none
|
none
|
0.01
|
none
|
none
|
|
Lead oxide (Pb) %≤
|
0.003
|
0.005
|
0.037
|
0.04
|
0.15
|
0.18
|
0.3
|
|
Cupric oxide (Cu) %≤
|
0.0001
|
0.0001
|
0.0002
|
0.0004
|
0.0004
|
/
|
/
|
|
Manganic oxide (Mn) %≤
|
0.0001
|
0.0001
|
0.0001
|
0.0001
|
0.0001
|
/
|
/
|
|
Matter insoluble in HCl %≤
|
0.004
|
0.006
|
0.012
|
0.015
|
0.05
|
0.1
|
0.25
|
|
Loss on ignition %≤
|
0.12
|
0.2
|
0.2
|
0.2
|
0.2
|
0.3
|
0.5
|
|
Matter soluble in water %≤
|
0.01
|
0.1
|
0.1
|
0.2
|
0.2
|
0.3
|
0.3
|
|
105 °c volatile %≤
|
0.06
|
0.1
|
0.3
|
0.4
|
0.4
|
0.6
|
0.8
|
|
Specific surface area(m2/g) %≥
|
60
|
55
|
50
|
45
|
40
|
40
|
40
|
|
Size (um)
|
20-40
|
2-20
|
4-20
|
4-50
|
/
|
/
|
|