
| Product Name | Chromium(III) nitrate nonahydrate, 99% |
| Product Number | 239259 |
| Product Brand | Sigma-Aldrich |
| CAS Number | 7789-02-8 |
| Molecular Formula | Cr(NO3)3 · 9H2O |
| Molecular Weight | 400.15 |
| TEST | SPECIFICATION |
| APPEARANCE | BLUE TO PURPLE TO BLACK CRYSTALS OR CHUNKS |
| X-RAY DIFFRACTION | CONFORMS TO STANDARD PATTERN. |
| OR | |
| ICP ASSAY | CONFIRMS CHROMIUM COMPONENT. |
| OR | |
| INFRARED SPECTRUM | CONFORMS TO STRUCTURE. |
| TITRATION | 12.7% CR (MINIMUM) (WITH SODIUM THIOSULFATE) |
| REVISED JULY 20, 2005 RJM | |
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