59845

Ammoniumsulfat

analytical standard, for Nitrogen Determination According to Kjeldahl Method, traceable to NIST SRM 194

• Synonym(e): Mascagnit
• Lineare Formel: (NH₄)₂SO₄
• CAS-Nummer: 7783-20-2
• Molekulargewicht: 132.14
• EG-Nummer: 231-984-1
• MDL-Nummer: MFCD00003391
• UNSPSC-Code: 85151701
• eCl@ss: 38030408
• PubChem Substanz-ID: 329758726
• NACRES: NA.24

Eigenschaften

• Qualität: analytical standard; traceable to NIST SRM 194
• Qualitätsniveau: 100
• Assay: ≥99.5%
• Haltbarkeit: limited shelf life, expiry date on the label
• Verunreinigungen: 21.20%±0.10% total Kjeldahl nitrogen
• Verlust: ≤0.1% loss on drying, 110°C
• pH-Wert: 5.0-6.0 (25 °C, 1 M in H₂O)
• mp (Schmelzpunkt): >280 °C (dec.) (lit.)
• Löslichkeit: soluble, clear, colorless
• Dichte: 1.77 g/mL at 25 °C (lit.)
• Format: neat
• SMILES String: N.N.OS(O)(=O)=O
• InChI: 1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
• InChIKey: BFNBIHQBYMNNAN-UHFFFAOYSA-N

Beschreibung

Anwendung

Ammonium sulfate may be used as a standard solution to determine nitrogen loss in the Kjeldahl analysis which acts as a reference method to determine accurate protein content in dairy products.

Sicherheitshinweise

• Lagerklassenschlüssel: 13 - Non Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable