Sigma-Aldrich Sulfuric Acid 25% For Anal

Quality Level

300

Product Line

EMSURE^®

Form

liquid

Concentration

≥25% (alkalimetric)

Impurities

≤0.010 ppm As (Arsenic)
≤0.010 ppm Be (Beryllium)
≤0.010 ppm Co (Cobalt)
≤0.010 ppm Cu (Copper)
≤0.010 ppm Li (Lithium)
≤0.010 ppm Mn (Manganese)
≤0.010 ppm Sr (Strontium)
≤0.010 ppm V (Vanadium)
≤0.020 ppm Ag (Silver)
≤0.020 ppm Cd (Cadmium)
≤0.020 ppm Ni (Nickel)
≤0.020 ppm Pb (Lead)
≤0.050 ppm Al (Aluminium)
≤0.050 ppm Ba (Barium)
≤0.050 ppm Cr (Chromium)
≤0.050 ppm Ge (Germanium)
≤0.050 ppm Mg (Magnesium)
≤0.050 ppm Mo (Molybdenum)
≤0.050 ppm Tl (Thallium)
≤0.100 ppm Bi (Bismuth)
≤0.100 ppm Fe (Iron)
≤0.100 ppm K (Potassium)
≤0.100 ppm Ti (Titanium)
≤0.100 ppm Zn (Zinc)
≤0.100 ppm Zr (Zirconium)
≤0.2 ppm Nitrate (NO₃)
≤0.200 ppm Ca (Calcium)
≤0.5 ppm Chloride (Cl)
≤0.500 ppm Na (Sodium)
≤2 ppm NH? (Ammonium)
≤2 ppm Substances reducing potassium permanganate (as SO₂)

Ign. Residue

≤5 ppm

Color

APHA: ≤10

Bp

103 °C/1013 hPa

Density

1.18 g/cm³at 20 °C

Storage Temp.

no temp limit

Related Categories

Acids

Analysis Note

Assay (alkalimetric): ≥ 25.0 %
Colour: ≤ 10 Hazen
Chloride (Cl): ≤ 0.5 ppm
Nitrate (NO₃): ≤ 0.2 ppm
Ag (Silver): ≤ 0.020 ppm
Al (Aluminium): ≤ 0.050 ppm
As (Arsenic): ≤ 0.010 ppm
Ba (Barium): ≤ 0.050 ppm
Be (Beryllium): ≤ 0.010 ppm
Bi (Bismuth): ≤ 0.100 ppm
Ca (Calcium): ≤ 0.200 ppm
Cd (Cadmium): ≤ 0.020 ppm
Co (Cobalt): ≤ 0.010 ppm
Cr (Chromium): ≤ 0.050 ppm
Cu (Copper): ≤ 0.010 ppm
Fe (Iron): ≤ 0.100 ppm
Ge (Germanium): ≤ 0.050 ppm
K (Potassium): ≤ 0.100 ppm
Li (Lithium): ≤ 0.010 ppm
Mg (Magnesium): ≤ 0.050 ppm
Mn (Manganese): ≤ 0.010 ppm
Mo (Molybdenum): ≤ 0.050 ppm
NH₄ (Ammonium): ≤ 2 ppm
Na (Sodium): ≤ 0.500 ppm
Ni (Nickel): ≤ 0.020 ppm
Pb (Lead): ≤ 0.020 ppm
Sr (Strontium): ≤ 0.010 ppm
Ti (Titanium): ≤ 0.100 ppm
Tl (Thallium): ≤ 0.050 ppm
V (Vanadium): ≤ 0.010 ppm
Zn (Zinc): ≤ 0.100 ppm
Zr (Zirconium): ≤ 0.100 ppm
Substances reducing potassium permanganate (as SO₂): ≤ 2 ppm
Residue on ignition: ≤ 5 ppmEMSURE is a registered trademark of Merck KGaA, Darmstadt, GermanyGHS05H290 - H314P234 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363