Ammonium sulphate 99% for biochemistry
:7783-20-2
:
:(NH₄)₂SO₄
:MFCD00003391
:132.14 g/mol
:280 °C
:Ambient
- Appearance:White Crystalline powder
- UV:at 260 nm A: ≤0.03
- pH:4.5 to 5.5 (5 % in water)
- Titration excess NaOH:≥98.5 %
- Chloride (Cl):≤5 ppm
- Nitrate (NO3):≤10 ppm
- Phosphate (PO4):≤5 ppm
- Arsenic (As):≤1 ppm
- Cadmium (Cd):≤1 ppm
- Calcium (Ca):≤10 ppm
- Copper (Cu):≤1 ppm
- Iron (Fe):≤2 ppm
- Zinc (Zn):≤1 ppm
- Heavy metals (as Pb):≤5 ppm
- Insoluble matter:≤0.005 %