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Zhangjiajie Aowei Science And Technology Co., Ltd.

District C, Economic Development Zone,Zhangjiajie,Hunan,China China

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عروض بيع: 4

Sell Tannic Acid

From light yellow to light brown powder, the color will be deeping when discovered in the air; no bad smell; a

Sell Gallic Acid

A white or white crystalline powder. Soluble in *5 proportions of water, 6 alcohol and 2 boil-water, slightly

Sell Propyl Gallate

A white to creamy-white crystalline powder; odourless. Soluble in ***0 proportions of water, 3 alcohol, 3 ae

Sell Pyrogallol

Description A lustrous crystalline white powder, Soluble in 2 proportions of water, 1 alcohol and 2 ether.

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