Specification Sheet
Product Name
Ammonium sulfate analytical standard, for Nitrogen Determination According to Kjeldahl Method, traceable to NIST SRM 194
Product Number
59845
Product Brand
sial
CAS Number
7783-20-2
Molecular Weight
132.14
Test | Specification |
|---|---|
| APPEARANCE (COLOR) | Colorless or White |
| APPEARANCE (FORM) | Crystals |
| TITRATION | 99.5 - 101.0 % |
| TITRATION (METHOD) | N-Determination according to Kjeldahl |
| SOLUBILITY (COLOR) | Colorless |
| SOLUBILITY (TURBIDITY) | Clear |
| SOLUBILITY (METHOD) | 1M IN WATER |
| PH | 5.0 - 6.0 |
| LOSS ON DRYING | ≤ 0.1 % |
| Miscellaneous Assay | Total Kjeldahl Nitrogen 21.20 +/- 0.10 %-br-(traceable to NIST SRM 194) |
| EXPIRY PERIOD | 36 MONTHS |