High purity inorganic chemicals for the pharmaceutical, aerospace, R&D, and electronic industries.

  Barker Reinvents the Possible

Oxalic Acid Dihydrate, Reagent A.C.S.

Assay: 99.5-102.5%
H2C2O4 · 2H2O
Substances darkened by hot sulfuric acid: Passes test
Insoluble matter: 0.005%
Residue after ignition: 0.01%
Chloride (Cl): 0.002%
Sulfate (SO4): 0.005%
Calcium (Ca): 0.001%
Nitrogen compounds (as N): 0.001%
Heavy metals (as Pb): 5 ppm
Iron (Fe): 2 ppm