2-(5-Bromo-2-pyridylazo)-5-[N-propyl-N-(3-sulfopropyl)amino]phenol disodium salt dihydrate

for enzymic, spectrophotometric det. of H₂O₂

for spectrophotometric det. of Cu, ≥99.0%

for spectrophotometric det. of Cu, ≥99.0%

for spectrophotometric det. of Cd, Co, Cu, Mn, Ni, Tl, ≥99.0%

for spectrophotometric det. of Fe(III), ≥98.5%

for spectrophotometric det. of Fe in serum, ≥99.0%

for the spectrophotometric det. of Fe, ≥98.0% (HPLC)

for spectrophotometric det. of Co(II), Cu(II), ≥90%

for spectrophotometric det. of Au, NO₂^-, Ce(IV), for the detection of Au, Co, Cu, SCN^-, V, ≥97.0%

for spectrophotometric det. of Cu, ≥99.0%

for spectrophotometric det. of Ag, Fe, Ru, ≥98.5%

for spectrophotometric det. of Fe, ≥99.0%

for spectrophotometric det. of Fe, 97.0%

for spectrophotometric det. of H₂O₂ and phenols, ≥98.0%

for spectrophotometric det. of Cu, Zn

~80% in H₂O, for spectrophotometric det. of palladium, iron, uranium(VI), molybdates and nitrites

for enzymic, spectrophotometric determination of H₂O₂, ≥98.0%

for spectrophotometric det. of Cu, ≥99.0%

for spectrophotometric det. of Fe, ≥99.0% (HPLC)

for spectrophotometric det. of glucuronic acid according to Tollens, ≥97.0%

for the spectrophotometric determination of Fe, Pd, V, ≥99.0%

for photometric determination of Fe(II), ≥98.0% (HPLC)

for spectrophotometric det. of Au(II), Co(II), Cu(II), Ni(II), Pd(II), Re(VII), U(VI), ≥97.0% (sum of isomers, HPLC)