Min.Order / FOB Price:Get Latest Price
1 Kilogram |
FOB Price: USD 1.0000 |
High purity 96% tannic acid powder Tannic acid for metal rust proof dyeing 96%Tannic acid with factory price
Annual Capacity:300tons
This product is used for the preparation of germanium, the manufacture of tannic iron ink, metal rust proof, mud treatment agent for petroleum drilling, alcohol clarification agent and coal dyeing agent. This product is also widely used in the pharmaceutical industry.
quality specification |
Standard value |
||
Highpuregrade |
Industrial grade |
dye grade |
|
operative norm |
manufacturer'sstandard |
LY/T1300-2005 |
manufacturer's standard |
Appearance: |
light yellow to brown powder |
light yellow to brown powder |
light yellow to brown powder |
Content (%) ≥ |
98.0 |
81.0 |
86.0 |
loss of dryness (%) ≤ |
9.0 |
9.0 |
9.0 |
insolubles in water (%) ≤ |
0.1 |
0.6 |
|
transparency |
qualified |
|
qualified |
Total color (Lovibond Tintometer unit)≤ |
1.2 |
2.0 |
2.0 |
Residue of ignition(%≤ |
0.1 |
|
1.0 |
gallic acid (%) ≤ |
2.0 |
|
7.0 |
Heavy metal(Pt) (%) ≤ |
10 |
|
|
Arsennic (%) ≤ |
5 |
|
|
Pt (%) ≤ |
3 |
|
|
Hg (%) ≤ |
1 |
|
|
Packing:Paper drum lined plastic bag
Gross weight :28kg Net weight:25kg
Storage:Seal and keep away light 。
Usage:This product is used for the preparation of germanium, the manufacture of tannic iron ink, metal rust proof, mud treatment agent for petroleum drilling, alcohol clarification agent and coal dyeing agent. This product is also widely used in the pharmaceutical industry.
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