project

Target

One Kind

Two Kind

Three Kind

Zinc oxide(ZnO)% ≥

99.0

97.0

95.0

Electron microscope average grain diameter /nm ≤

100

100

100

XRD line width law average crystal grain/nm ≤

100

100

100

Surface area(m³/g) ≥

15

15

35

Reunion index ≤

100

100

100

Lead(Pb)/% ≤

0.001

0.001

0.03

Manganese(Mn)/% ≤

0.001

0.001

0.005

Copper(Cu)/% ≤

0.0005

0.0005

0.003

Cadmium(Cd)% ≤

0.0015

0.005

-

Mercury(Hg)/% ≤

0.0001

-

-

Arsenic(As)/% ≤

0.0003

-

-

105^oC volatile matter/% ≤

0.5

0.5

0.7

Water-soluble/% ≤

0.10

0.10

0.7

Hydrochloric acid insoluble substance/% ≤

0.02

0.02

0.05

Ignition weightlessness/% ≤

-

2

4

project

Indicators

BA01-05(Ⅰ)

BA01-05(Ⅱ)

High grade

First grade

Qualified

High grade

First grade

Qualified

Zinc oxide (by duy goods)%

≥

99.70

99.50

99.40

99.70

99.50

99.40

Metal (by zinc)%

≤

none

none

0.008

none

none

0.008

Lead oxide
(by Pb)%

≤

0.037

0.05

0.14

-

-

-

Manganese oxide(by Mn)%

≤

0.0001

0.0001

0.0003

-

-

-

Copper chloride
(by cu)%

≤

0.0002

0.0004

0.0007

-

-

-

Hydrochloric acid insoluble%

≤

0.2

0.008

0.05

-

-

-

Ignition decrement

≤

0.10

0.2

0.2

-

-

-

Screen tailings(Mesh of 45mm)%

≤

0.10

0.15

0.20

0.10

0.15

0.20

Water-soluble%

≤

0.10

0.10

0.15

0.10

0.10

0.15

105^oC Volatiles%

≤

0.3

0.4

0.5

0.3

0.4

0.5

Blotting /100g

≤

-

-

-

14

14

14

Colour (Compared with standard)

-

-

-

Approximate

Micro

Micro

Reducing power (Compared with standard)%

≥

-

-

-

100

95

90

Zinc oxide

Alkalinity

Carbonate

Sour insoluble substance

Arsenic

Iron

Oxide

Ingition Decerement

≥99

Phenol RedVanishing

no foaming

After the agitation, the solution should clarify

＜2ppm

＜50ppm

The zinc chromate indicator five drops do not send muddy

800^oC≤1%

project

Indicators

First grade

Qualified

Zinc oxide content %

95～98

95～98

Moisture content% ≤

0.7

0.7

Solution of content% ≤

0.5

0.7

Artillery loss on ignition% ≤

1～4

1～4

Hydrochloric acid insoluble% ≤

0.02

0.05

Lead oxide% ≤

0.01

0.05

Manganese oxide(by Mn)% ≤

0.001

0.003

Copper chloride (by cu)% ≤

0.001

0.003

Fineness (Experimental screen tailings of 45mm) ≤

0.1

0.4

Surface area m³/g ≥

45

35

Packing density g/ml ≤

0.35

0.4