Highly selective and sensitive spectrophotometric determination of iron(II) and cobalt(III) with 4-(2-pyridylazo)resorcinol(PAR)

Absorptiometric determination of niobiumv with 4-(2-pyridylazo)-resorcinol as reagent

1963 • 44 citations

Determination of submicrogram quantities of mercury in lake waters

1970 • 41 citations

Decrease of mercury in the diluted mercury (II) solutions

1969 • 22 citations

Environmental Mercury: Rapid Determination in Water at Nanogram Levels

1970 • 22 citations

Spectrophotometric determination of traces of metals by solvent extraction with 4-(2-pyridylazo)-resorcin-quaternary ammonium salt-polyaminocarboxylic acid system

1970 • 22 citations

Spectrophotometric determination of vanadium with 4-(2-pyridylazo) resorcinol

1965 • 21 citations

Decrease of mercury in the diluted mercury(II) solutions

1968 • 19 citations

Spectrophotometric determination of manganese with 4-(2-pyridylazo)-resorcin

1969 • 17 citations

4-(2-Pyridylazo)resorcinol as a selective and sensitive spectrophotometric reagent for niobiumv

1962 • 17 citations

Spektrophotometrische bestimmung von scandium mit 4-2(-pyridylazo)resorcin

1962 • 16 citations

Spectrophotometric determination of nickel with 4-(2-pyridylazo)resorcinol

1965 • 13 citations

Spectrophotometric determination of iron(II) with 4-(2-pyridylazo)-resorcin

1969 • 9 citations

Spectrophotometric determination of cobalt with 4-(2-pyridylazo) resorcinol

1964 • 8 citations

Spectrophotometric determination of niobium in zirconium with 4-(2-pyridylazo)resorcinol

1968 • 8 citations

Rapid new methods for the determination of nitrogen in fertilisers and other compounds

1964 • 4 citations