English
3,3'-DIAMINOBENZIDINE TETRAHYDROCHLORID& 25 G
Rp 16.088.000
Assay (manganometric): ≥ 99.0 %
Clarity of the solution in Ethanol: passes test
pH-value (5 %; water): 2.5 - 3.5
Titrable free acid: ≤ 0.25 meq/g
Sulfate (SO₄): ≤ 0.002 %
Heavy metals (ACS): ≤ 0.0005 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %
NH₄ (Ammonium): passes test
Pb (Lead): ≤ 0.0005 %
Total sulfur (as sulfate): ≤ 0.005 %
Residue on ignition (as sulfate): ≤ 0.01 %
Corresponds to ACS, ISO, Reag. Ph Eur
