AMMONIUM FLUORIDE FOR ANALYSIS EMSURE

Code: 1011640250 D2-231

Analysis Note

Assay (precipitation titration, NH4F): ≥ 98.0 %Ammonium hydrogen difluoride (NH4HF2): ≤ 0.5 %Chloride (Cl): ≤...


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Analysis Note

Assay (precipitation titration, NH4F): ≥ 98.0 %Ammonium hydrogen difluoride (NH4HF2): ≤ 0.5 %Chloride (Cl): ≤ 0.001 %Hexafluorosilicate (SiF6): ≤ 0.1 %Sulfate (SO4): ≤ 0.005 %Heavy metals (as Pb): ≤ 0.0005 þ (Iron): ≤ 0.0005 %K (Potassium): ≤ 0.002 %Na (Sodium): ≤ 0.002 %Water: ≤ 5 %Insoluble matter: ≤ 0.005 %Residue on ignition: ≤ 0.01 %Conform to ACS

Legal Information

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

Linkage

Replaces: AX1295; AX1295-1

Packaging

1 kg in Plastic bottle

25 kg in Fibre carton

250 g in Plastic bottle

anion tracessulfate (SO42-): ≤0.005%, chloride (Cl-): ≤0.001%, hexafluorosilicate (SiF62-): ≤0.1%
assay≥98.0% (NH4F basis, precipitation titration)
bulk density250‑350 kg/m3
cation tracesFe: ≤0.0005%, K: ≤0.002%, Na: ≤0.002%, heavy metals (as Pb): ≤0.0005%
density1.01 g/cm3 at 20 °C
formsolid
gradeACS reagent
ign. residue≤0.01%
impurities≤0.5% Ammonium hydrogen difluoride, ≤5% Water, ≤0.005% Insoluble matter
InChI keyKVBCYCWRDBDGBG-UHFFFAOYSA-N
InChI1S/2FH.H3N/h2*1H;1H3
pH6 (20 °C, 50 g/L in H2O)
product lineEMSURE®
Quality Level300
solubility820 g/L
storage temp.15-25°C
Cas Number12125-01-8
Hazard Class6.1
Un Number2505
Pack GroupIII
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