Hydrofluoric acid

产品名称

氢氟酸40%, for analysis EMSURE^® ISO,Reag. Ph Eur

SMILES string

[H+].[F-]

InChI

1S/FH/h1H

InChI key

KRHYYFGTRYWZRS-UHFFFAOYSA-N

agency

reag. ISO
reag. Ph. Eur.

vapor density

1.27 (vs air)

vapor pressure

25 mmHg ( 20 °C)

product line

EMSURE^®

form

liquid

concentration

40.0-42.0% Hf

impurities

≤0.01 ppm Ba (Barium)
≤0.01 ppm Cd (Cadmium)
≤0.01 ppm Cr (Chromium)
≤0.01 ppm Li (Lithium)
≤0.02 ppm Ag (Silver)
≤0.02 ppm Be (Beryllium)
≤0.02 ppm Bi (Bismuth)
≤0.02 ppm Co (Cobalt)
≤0.02 ppm Cu (Copper)
≤0.02 ppm Ge (Germanium)
≤0.02 ppm Mo (Molybdenum)
≤0.02 ppm Ni (Nickel)
≤0.02 ppm Pb (Lead)
≤0.02 ppm Sr (Strontium)
≤0.02 ppm Ti (Titanium)
≤0.02 ppm Tl (Thallium)
≤0.02 ppm V (Vanadium)
≤0.02 ppm Zr (Zirconium)
≤0.03 ppm Arsenic and Antimony (as As)
≤0.03 ppm Mn (Manganese)
≤0.05 ppm Al (Aluminium)
≤0.05 ppm Zn (Zinc)
≤0.1 ppm Fe (Iron)
≤0.1 ppm K (Potassium)
≤0.1 ppm Mg (Magnesium)
≤0.2 ppm Ca (Calcium)
≤0.2 ppm Na (Sodium)
≤0.5 ppm Heavy metals (as Pb)
≤0.5 ppm Phosphate (PO₄)
≤1 ppm Chloride (Cl)
≤5 ppm Sulfate and sulphite (as SO₄)
≤50 ppm Hexafluorosilicate (SiF₆)

ign. residue

≤5 ppm (as sulfate)

color

APHA: ≤10

Quality Level

300

pH

(20 °C, strongly acid)

bp

112 °C/1013 hPa

mp

-44 °C

solubility

water: soluble

density

1.13 g/cm³ at 20 °C
1.15 g/mL at 25 °C (lit.)

storage temp.

2-30°C