Short Description:
CAS Number: 22199-08-2
Molecular Formula: C10H10AgN4O2S
Standard: USP32
Package: 25kg/drum
Description:
CAS Number: 22199-08-2
Molecular Formula: C10H10AgN4O2S
Standard: USP32
Package: 25kg/drum
| ITEMS | LIMIT |
| Appearance | White to off-white crystalline powder |
| Identification | |
| A: Infrared Absorption | |
| B: The R value of the prinopa| spot in the thin layer chromatogram of the Test solution as obtained in the tesk for Chromatographic PVⅡ corresponds to that obtained from standard solution A | |
| C: Dissolve about 1g in 15ml of ammonium hydroxide and 15ml of water in a 50ml volumetric flask, dilute with water to volume, and mix the solution so obtained responds to the tests for silver | |
| Loss on drying | NMT 0.5% |
| Limited of nitrate | NMT 0.1% |
| Chromatographic Purity | |
| No secondary spot in the chromatogram of the test solution is greater or more intense than the principle spot obtained from Standard solution B (1.0%) | |
| The sum of all secondary spots observed is not greater than 2.0% | |
| Silver content | 29.3% – 30.5% |
| Assay | 98.0% – 102.0% |
