-oryzanol
Quality standard:WS1
47(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 |
130 155 |
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 |
|