Ammoniumvätedifluorid 95%, extra pure
Leverantör: Thermo Fisher Scientific
Certifikat
Om denna produkt
CAS-nummer:1341-49-7
:
Formel:NH₄HF₂
MDL-nummer:MFCD00012018
:57.04 g/mol
Merck Index:13,00498
Smält Pt:125 °C
Densitet:0,8 g/cm³ (20 °C)
Förvaringstemperatur:Omgivande
EINECS:215-676-4
FN:1727
ADR:8,II
:GHS05
:GHS06
Specifikationstestresultat
- Appearance:White Flakes or scales
- Water:≤0.5 % (K.F.)
- Titration with NaOH:≥94 %
- Sulfite (SO3):≤100 ppm
- Sulfate (SO4):≤2000 ppm
- Iron (Fe):≤500 ppm
- Heavy metals (as Pb):≤200 ppm
- Impurity:≤5 % (Ammonium fluoride (NH4F))