氟化铵，Ammonium fluoride；for analysis EMSURE® ACS, ≥98.0% (NH4F basis, precipitation titration)

等级

ACS reagent

质量水平

300

产品线

EMSURE^®

测定

≥98.0% (NH₄F basis, precipitation titration)

形式

solid

杂质

≤0.005% Insoluble matter
≤0.5% Ammonium hydrogen difluoride
≤5% Water

灼烧残渣

≤0.01%

pH值（酸碱度）

6 (20 °C, 50 g/L in H₂O)

溶解性

820 g/L

密度

1.01 g/cm³ at 20 °C

堆积密度

250‑350 kg/m³

痕量阴离子

chloride (Cl^-): ≤0.001%
hexafluorosilicate (SiF₆^2-): ≤0.1%
sulfate (SO₄^2-): ≤0.005%

痕量阳离子

Fe: ≤0.0005%
K: ≤0.002%
Na: ≤0.002%
heavy metals (as Pb): ≤0.0005%

储存温度

15-25°C

InChI

1S/2FH.H3N/h2*1H;1H3

InChI key

KVBCYCWRDBDGBG-UHFFFAOYSA-N