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

agency

reag. ISO, reag. Ph. Eur.

Quality Level

300

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

pH

(20 °C, strongly acid)

bp

112 °C/1013 hPa

mp

-44 °C

solubility

water: soluble

density

1.13 g/cm³ at 20 °C

storage temp.

2-30°C