Sulfuric acid

Product Name

Sulfuric acid, puriss. p.a., for determination of Hg, ACS reagent, reag. ISO, reag. Ph. Eur., 95.0-97.0%

InChI key

QAOWNCQODCNURD-UHFFFAOYSA-N

InChI

1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)

SMILES string

OS(O)(=O)=O

grade

ACS reagent
puriss. p.a.

agency

USP/NF
reag. ISO
reag. Ph. Eur.

vapor density

<0.3 (25 °C, vs air)

vapor pressure

1 mmHg ( 146 °C)

description

Nominally 95-98% H₂SO₄

assay

95.0-97.0%

form

liquid

impurities

≤1 ppm heavy metals (as Pb)
≤2 ppm KMnO₄ red. matter (as O)
≤2 ppm ammonium (NH₄)

ign. residue

≤5 ppm

color

APHA: ≤10

pH

1.2 (5 g/L)

bp

~290 °C (lit.)

density

1.840 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤0.1 ppm
nitrate (NO₃^-): ≤0.2 ppm
phosphate (PO₄^3-): ≤0.00005%

cation traces

Ag: ≤0.000002%
Al: ≤0.000005%
As: ≤0.01 ppm
Ba: ≤0.000005%
Be: ≤0.000001%
Bi: ≤0.000005%
Ca: ≤0.00002%
Cd: ≤0.000002%
Co: ≤0.000001%
Cr: ≤0.000005%
Cu: ≤0.000001%
Fe: ≤0.1 ppm
Ge: ≤0.000005%
Hg: ≤0.005 ppm
K: ≤0.00001%
Li: ≤0.000001%
Mg: ≤0.000005%
Mn: ≤0.000001%
Mo: ≤0.000002%
Na: ≤0.00005%
Ni: ≤0.000002%
Pb: ≤0.000002%
Sr: ≤0.000002%
Ti: ≤0.00001%
Tl: ≤0.000005%
V: ≤0.000001%
Zn: ≤0.000005%
Zr: ≤0.1 mg/kg

Quality Level

100