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Shanghai Jucheng Chemical Co.,Ltd
 
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Shanghai Jucheng Chemical Co.,Ltd
[China]
Address:
No. 818, Liuxiang Road Shanghai Shanghai 200346 China
Phone:
86-021-66163426
Contact name:
Bin , Sales Manager
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Shanghai Jucheng Chemical Co.,Ltd
 
Products

Tannic Acid/Tannins/Gallic Acid
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Tannic Acid/Tannins/Gallic Acid
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 Origin China
 Brand Name jucheng

Synonms : Tannic acid, Tannin, Gallotannic acid
Molecular Formula: C76H52O46
Molecular Weight: 1701.18

 

Application: This product is widely used in smelting if germanium ,manufacuture of Iron ink metal corrosion-resistance,claricant of beer or wine,slime treatment of petroleum drilling and raw material of pharmaceutical industry.

 

Storage :Tannic acid should be kept in well-closed container

Package: 25kg packed in Polywoven Bags.

Main technical index

Item

Industrial grade

Grade for dye

Food grade

Assay≥

81.0%

82.0%

92.0% 94.0% 97.0%

Insoluble matter≤

0.6%

0.15%

0.1%

Drying loss≤

9.0%

9.0%

9.0%

Color of solution≤

2.0%

1.2

1.2%

Residue on ignitin≤

 

 

1.0%

As≤

 

 

3PPm

Pb≤

 

 

10 PPm

Heavy metals(Pb) ≤

 

 

20 PPm

Gums or Dextrine

 

 

Passes test

Gallic acid≤

 

7%

.

Related Keywords: tannic acid , tanic acid , tannins , Gallic acid


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