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Purity (GC) ≥ 99.0 %

Identity (IR) conforms

Color ≤ 10 Hazen

Acidity ≤ 0.0002 meq/g

Matter discolored by H₂SO₄ ≤ 10 Hazen

Sulfur compounds (as S) ≤ 0.005 %

Evaporation residue ≤ 0.001 %

Water ≤ 0.01 %

Al (Aluminium) ≤ 0.00005 %

B (Boron) ≤ 0.000002 %

Ba (Barium) ≤ 0.00001 %

Ca (Calcium) ≤ 0.00005 %

Cd (Cadmium) ≤ 0.000005 %

Co (Cobalt) ≤ 0.000002 %

Cr (Chromium) ≤ 0.000002 %

Cu (Copper) ≤ 0.000002 %

Fe (Iron) ≤ 0.00001 %

Mg (Magnesium) ≤ 0.00001 %

Mn (Manganese) ≤ 0.000002 %

Ni (Nickel) ≤ 0.000002 %

Pb (Lead) ≤ 0.00001 %

Sn (Tin) ≤ 0.00001 %

Zn (Zinc) ≤ 0.00001 %