Oxalic acid dihydrate
Item No.： R1133
Store at： RT
Molecular weight：126
Grade：Reference Reagent
Content：≥99.6%
Physicochemical properties：Colorless monoclinic flake or prismatic crystal or white powder. No smell.
Sublimation at 150-160 ℃. It can be weathered in hot dry air. 1g is soluble in 7ml water, 2ml boiling water, 2.5ml ethanol, 1.8ml boiling ethanol, 100ml ether, 5.5mL glycerol, and insoluble in benzene, chloroform and petroleum ether. The pH value of 0.1mol/l solution was 1.3. The relative density (d18.54) was 1.653.
Use: complexing agent. Masking agent. Precipitant. Reducing agent. It is used to detect and determine beryllium, calcium, chromium, gold, manganese, strontium, thorium and other metal ions. Sodium and other elements were examined by micro crystallite analysis. Calcium, magnesium, thorium and rare earth elements are precipitated. Standard solution for calibration of potassium permanganate and cerium sulfate solution. bleaching agents. Dye aid.
Saving: RT
