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-oryzanol

  Quality standard:WS147(B)89.

   Product packaging:20kg paper pail.

Assay

99%

Arsenic

<2ppm

Dry Losses

<1%

Mold

<100/g

Burning Residue

<0.3%

Bacteria

<1000/g

Melting Point

130155

E.COLI

Negative

Heavy Metal

<10ppm

   

Name of Commodity: Zinc oxide
Molecular Formula: ZnO
Molecular Weight: 81.39
Property: This commodity is a white powder, its density is 5.606, its melting point is 1975¡æ. It is an oxide with two characters. It can dissolve in acid and base, ammonium chloride, and ammonia water. It can not dissolve in water and alcohol. It can sublime when heated to 1800¡æ.
Usage: rubber, ceramics, medicine, paint, printing and dyeing magnetism material, electron, paper making, feed, picture tube, etc.
Package: plastic lined woven bag 25Kg.
Production Style: indirect method.

Quality index(meet GB/T3185-92)

Item

Specification

BA01-05( Type)

BA01-05( Type)

Fine Grade

Grade One

Qualified Grade

Fine Grade

Grade One

Qualified Grade

ZnO,dry%

99.70

99.50

99.40

99.70

99.50

99.40

Zn%

None

None

0.008

None

None

0.008

Pb%

0.037

0.05

0.14

-

-

-

Mn%

0.0001

0.0001

0.0003

-

-

-

Cu%

0.0002

0.0004

0.0007

-

-

-

Insolubles in HCl Solution%

0.006

0.008

0.05

-

-

-

Loss on Ignition%

0.2

0.2

0.2

-

-

-

Screen Residues(Through 320 mesh)%

0.1

0.15

0.2

0.1

0.15

0.2

Water soluble matter%

0.1

0.1

0.15

0.1

0.1

0.15

105 Moisture

0 .3

0.4

0.5

0.3

0.4

0.5

Oil absorption (g/100g)

-

-

-

14

14

14

Colour (Compared with standard specimen)

-

-

-

Similar

   

Achromaticity

-

-

-

100

9