| Product Name |
Ammonium oxalate monohydrate,
ACS reagent, ≥99% |
| Product Number |
221716 |
| Product Brand |
Sigma-Aldrich |
| CAS Number |
6009-70-7 |
| Molecular Formula |
(NH4)2C2O4 · H2O |
| Molecular Weight |
142.11 |
| |
| TEST |
SPECIFICATION |
| APPEARANCE |
WHITE CRYSTALS, GRANULES OR CRYSTALLINE |
| |
POWDER |
| INFRARED SPECTRUM |
CONFORMS TO STRUCTURE. |
| TITRATION |
99.0%-101.0% (WITH KMNO4) |
| RESIDUE ON IGNITION |
0.02% (MAXIMUM) |
| INSOLUBLE MATTER |
0.005% (MAXIMUM) (C=5%, H2O) |
| CHLORIDE |
0.002% (MAXIMUM) |
| IRON |
2 PPM (MAXIMUM) |
| HEAVY METALS |
5 PPM (MAXIMUM) (AS PB) |
| SULFATE |
0.002% (MAXIMUM) |
| RECOMMENDED RETEST |
TWO YEARS |
| |
REVISED AUGUST 8, 2005 RJM |
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