Щавелевая кислота

Alias: Ethanedionic acid Molecular Formula: C2H2O4 Properties: white crystal with α and β types structure(m.p. 189.5°C and 182°C respectively, relative density: 1.90. Use: Mainly used in the production of bacteriophages and ice slabs; in the extraction of rare metals and tanning agent etc. Packing: in fiber woven bag with plastic lining, net wt. 25kg, 50kg, 1000kg; or upon clients' requests. Standard: GB1626-88 Item Best quality First quality Qualifier Assay: ≥99.6% ≥99.4% ≥99.0% SO42- ≤0.08% ≤0.10% ≤0.20% Ash: ≤0.08% ≤0.10% ≤0.20% Heavy metal (pb) ≤0.001% ≤0.002% ≤0.02% Iron(Fe3+) ≤0.0015% ≤0.002% ≤0.01% Chlorides (cl-) ≤0.003% ≤0.004% ≤0.01%