Pure Appl. Chem., 1966, Vol. 13, No. 4, pp. 445-456
http://dx.doi.org/10.1351/pac196613040445
Application of arsenazo III and other azo-compounds in the photometric determination of certain elements
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Pure Appl. Chem., 1966, Vol. 13, No. 4, pp. 445-456
http://dx.doi.org/10.1351/pac196613040445