1.01209

Sulfate d'ammonium

99.9999 Suprapur^®

• Synonyme(s) : Mascagnite
• Formule linéaire : (NH₄)₂SO₄
• Numéro CAS: 7783-20-2
• Poids moléculaire : 132.14
• Numéro MDL: MFCD00003391
• Code UNSPSC : 12352301
• Numéro de classement CE : 231-984-1
• Nomenclature NACRES : NA.21

Propriétés

• Qualité: for inorganic trace analysis
• Niveau de qualité: 100
• Pression de vapeur: <1 Pa ( 25 °C)
• Pureté: 99.9999%
• Forme: solid
• Puissance: 2840 mg/kg LD₅₀, oral (Rat)
• pH: 5 (100 g/L in H₂O)
• Pf: >280 °C (dec.) (lit.)
• Solubilité: 754-764 g/L
• Densité: 1.77 g/mL at 25 °C (lit.)
• Masse volumique apparente: 850 kg/m³
• Température de stockage: 2-30°C
• Chaîne SMILES: N.N.OS(O)(=O)=O
• InChI: 1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
• Clé InChI: BFNBIHQBYMNNAN-UHFFFAOYSA-N

Description

Application

• Isolation and identification of milk-clotting proteases from Prinsepia utilis Royle and its application in cheese processing.: This study utilized ammonium sulfate for the isolation of milk-clotting proteases, which were then applied in cheese processing, enhancing the efficiency and quality of cheese production (Zhang et al., 2024).


• Diffusion-driven fed-batch fermentation in perforated ring flasks.: The research used ammonium sulfate in fed-batch fermentation processes to enhance microbial growth and product yield, demonstrating its utility in optimizing industrial fermentation techniques (Lüchtrath et al., 2024).


• Ammonium Sulfate to Modulate Crystallization for High-Performance Rigid and Flexible Perovskite Solar Cells.: This research investigates the role of ammonium sulfate in modulating the crystallization process of perovskite solar cells, significantly improving their performance and stability (Zou et al., 2024).


• Effectiveness of three nitrification inhibitors on mitigating trace gas emissions from different soil textures under surface and subsurface drip irrigation.: The study utilized ammonium sulfate in combination with nitrification inhibitors to reduce trace gas emissions in agricultural settings, highlighting its environmental benefits (Ribeiro et al., 2024).

Remarque sur l'analyse

Purity (metallic): ≥ 99.9999 %
Assay (acidimetric): ≥ 99.5 %
Chloride (Cl): ≤ 3 ppm
Nitrate (NO₃): ≤ 10 ppm
Phosphate (PO₄): ≤ 5 ppm
Ag (Silver): ≤ 0.010 ppm
Al (Aluminium): ≤ 0.050 ppm
Ba (Barium): ≤ 0.050 ppm
Be (Beryllium): ≤ 0.010 ppm
Bi (Bismuth): ≤ 0.050 ppm
Ca (Calcium): ≤ 0.100 ppm
Cd (Cadmium): ≤ 0.005 ppm
Co (Cobalt): ≤ 0.005 ppm
Cr (Chromium): ≤ 0.010 ppm
Cu (Copper): ≤ 0.005 ppm
Fe (Iron): ≤ 0.050 ppm
Ga (Gallium): ≤ 0.050 ppm
In (Indium): ≤ 0.050 ppm
K (Potassium): ≤ 0.100 ppm
Li (Lithium): ≤ 0.050 ppm
Mg (Magnesium): ≤ 0.010 ppm
Mn (Manganese): ≤ 0.010 ppm
Na (Sodium): ≤ 0.100 ppm
Ni (Nickel): ≤ 0.010 ppm
Pb (Lead): ≤ 0.005 ppm
Sr (Strontium): ≤ 0.010 ppm
Tl (Thallium): ≤ 0.005 ppm
Zn (Zinc): ≤ 0.010 ppm

Informations légales

SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Informations sur la sécurité

• Code de la classe de stockage: 13 - Non Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable