Hydrofluoric acid

产品名称

氢氟酸40%, Suprapur^®

SMILES string

F, [H+].[F-]

InChI

InChI=1S/FH/h1H, 1S/FH/h1H

Quality Level

100

vapor pressure

25 mmHg ( 20 °C)

description

for inorganic trace analysis

assay

40%

form

liquid

concentration

≥30-50% in hydrofluoric acid

pH

(at 20 °C (68 °F)strongly acid)

bp

112 °C/1013 hPa

mp

-44 °C

solubility

soluble (Water: Soluble)

density

1.13 g/cm³ at 20 °C

anion traces

chloride (Cl^-): ≤500 ppb, hexafluorosilicate (SiF₆^2-): ≤20000 ppb, phosphate (PO₄^3-): ≤100 ppb, sulfate (SO₄^2-): ≤500 ppb, sulfite (SO₃^2-): ≤2000 ppb

cation traces

Ag: ≤ 0.5  ppb, Al: ≤2 ppb, As: ≤5 ppb, Au: ≤0.2 ppb, Ba: ≤1 ppb, Be: ≤0.2 ppb, Bi: ≤0.2 ppb, Ca: ≤5 ppb, Cd: ≤0.5 ppb, Co: ≤0.2 ppb, Cr: ≤1 ppb, Cu: ≤1 ppb, Fe: ≤5 ppb, Ga: ≤0.2 ppb, Ge: ≤1 ppb, Hg: ≤20 ppb, In: ≤0.2 ppb, K: ≤10 ppb, Li: ≤2.0 ppb, Mg: ≤2 ppb, Mn: ≤2 ppb, Mo: ≤0.2 ppb, Na: ≤2 ppb, Ni: ≤0.5 ppb, Pb: ≤0.5 ppb, Pd: ≤0.2 ppb, Pt: ≤0.2 ppb, Sb: ≤0.2 ppb, Sn: ≤0.5 ppb, Sr: ≤0.2 ppb, Ti: ≤5 ppb, Tl: ≤0.2 ppb, U: ≤0.1 ppb, V: ≤0.2 ppb, Zn: ≤2 ppb, Zr: ≤0.2 ppb

storage temp.

2-30°C