| Product Name |
Aluminum sulfate octadecahydrate,
ACS reagent, ≥98% |
| Product Number |
227617 |
| Product Brand |
Sigma-Aldrich |
| CAS Number |
7784-31-8 |
| Molecular Formula |
Al2(SO4)3 · 18H2O |
| Molecular Weight |
666.43 |
| |
| TEST |
SPECIFICATION |
| APPEARANCE |
WHITE POWDER, GRANULES, CRYSTALS, |
| |
CRYSTALLINE POWDER AND/OR CHUNKS |
| X-RAY DIFFRACTION |
CONFORMS TO STANDARD PATTERN. |
| |
OR |
| ICP ASSAY |
CONFIRMS ALUMINUM COMPONENT. |
| TITRATION |
98.0%-102.0% (COMPLEXOMETRIC) AS THE LABELED |
| |
HYDRATE |
| INSOLUBLE MATTER |
0.01% (MAXIMUM) (C=13.3%, DILUTE H2SO4) |
| CHLORIDE |
0.005% (MAXIMUM) |
| IRON |
0.002% (MAXIMUM) |
| HEAVY METALS |
0.001% (MAXIMUM) (AS PB) |
| CALCIUM |
0.01% (MAXIMUM) |
| MAGNESIUM |
0.002% (MAXIMUM) |
| POTASSIUM |
0.005% (MAXIMUM) |
| SODIUM |
0.02% (MAXIMUM) |
| |
REVISED NOVEMBER 14, 2003 JSB |
Certificate of Analysis
Certificate of Origin
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