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Ammonium oxalate reagent grade

1、Chemical Name: Ammonium Oxalate

2、Molecular Formula : (NH42C2O4·H2O

3、Molecular Weight: 142.11

4、CAS:6009-70-7

5、Character: It occurs as colorless crystal. Relative density is 1.501. Refractive index is 1.439. It’s soluble in water, but insoluble in ethanol.

6、Usage: It’s used as analytical reagent, organic synthetic intermediate.

7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.

8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.

Specification HG/T 3453-2012
Assay [(NH42C2O4·H2O] w/%  ≥ 99.5
pH (50g/L,25℃) 6.0-7.0
Clarity Test/No              ≤ 6
Insoluble Substances,w/%     ≤ 0.015
Chlorides (Cl) ,w/%         ≤ 0.002
Sulfates (SO4) ,w/%         ≤ 0.02
Sodium (Na) ,w/%          ≤ 0.005
Magnesium (Mg) ,w/%       ≤ 0.005
Potassium (K) ,w/%         ≤ 0.005
Calcium (Ca) ,w/%          ≤ 0.005
Iron (Fe) ,w/%             ≤ 0.001
Heavy Metal (As Pb) ,w/%   ≤ 0.0015

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