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Refined Oxalic Acid
Molecular formula:(COOH)2·2H20
Molecular weight:126
CAS No.:144-62-7
Property:White crystal & powder, free floating.
Usage:

1.Electronic industry: to make electronic materials, to clean integrate circuit board.

2.Metallurgy industry: as precipitating and resolving agent for rare earth metal, etc.

3.Others: as laboratory agent, solvents, activator and basic materials for chemical industry.

Packing:Net in 25KG pp bag/kraft paper bag, jumbo bag.
Specification:


Oxalic Acid Content

99.6% Min

99.6% Min

99.6% Min

Sulphate (SO42-)

20ppm Max

50ppm Max

100ppm Max

Chloride (Cl-)

5ppm Max

1ppm Max

1ppm Max

Heavy Metals (Pb2+)

5ppm Max

5ppm Max

5ppm Max

Ferrous (Fe3+)

5ppm Max

1ppm Max

1ppm Max

Sio

-

10ppm Max

10ppm Max

Ca

2ppm Max

2ppm Max

2ppm Max

Mg

1ppm Max

5ppm Max

5ppm Max

Cu

2ppm Max

2ppm Max

2ppm Max

Zn

2ppm Max

2ppm Max

2ppm Max

Ni

2ppm Max

2ppm Max

2ppm Max

Ignition Residue (850ºC)

0.02% Max

0.05% Max

0.02% Max





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