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Fumaric Acid
Fumaric Acid

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White odorless powder or crystalline solid particles, with speical sourness that is as strong as 1.5 times of citric acid.

White odorless powder or crystalline solid particles, with speical sourness that is as strong as 1.5 times of citric acid.

 

ItemUnitIndex
Purity (base on C4H4O4)%99.50~100.50 (dry basis)
Heavy metal (base on Pb)PPM≤ 10
Arsenic (base on As)PPM≤ 3
Water content%≤ 0.5
Melting rangeoC286~302
Residue on ignition%≤ 0.1
Chroma (in 5% ethanol)#≤ 15
Maleic acid%≤ 0.1

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