Chemistry Letters p. 711 - 712 (1981)
Update date:2022-08-05
Topics:
Higuchi, Keiro
Shimoishi, Yasuaki
Miyata, Haruo
Toei, Kyoji
A new reagent, 1-(4-N-methylpyridiniumazo)-4-(4-aminophenylazo)naphthalene iodide, can react with sodium alkylbenzenesulfonate to show a color change in an aqueous medium.The calibration graph is straight line over the range from 8E-6 to 3.0E-5 M of sodium dodecylbenzenesulfonate.The practical molar absorptivity is 1.8E4 l mol-1 cm-1 at 594 nm.
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