DETERMINATION OF ZINC IN SEWAGE + SEWAGE SLUDGE

[1] SUBSTITUTED BENZIDINES AND RELATED COMPOUNDS AS REAGENTS IN ANALYTICAL CHEMISTRY .7. 3-3'-DIMETHYLNAPHTHIDINE AS INDICATOR IN THE TITRATION OF ZINC WITH FERROCYANIDE [J]. JOURNAL OF THE CHEMICAL SOCIETY, 1951, (JUN): : 1520 - 1521

[2] COLORIMETRIC DETERMINATION OF ZINC AND COPPER WITH 2-CARBOXY-2'-HYDROXY-5'-SULFOFORMAZYLBENZENE [J]. ANALYTICAL CHEMISTRY, 1954, 26 (08) : 1345 - 1347

[3] SCHWARZENBACH G, 1957, COMPLEXOMETRIC TITRA, P84

[4] 1956, METHODS CHEMICAL ANA, P83

[5] 1958, RECOMMENDED METHODS

[1] SUBSTITUTED BENZIDINES AND RELATED COMPOUNDS AS REAGENTS IN ANALYTICAL CHEMISTRY .7. 3-3'-DIMETHYLNAPHTHIDINE AS INDICATOR IN THE TITRATION OF ZINC WITH FERROCYANIDE [J]. JOURNAL OF THE CHEMICAL SOCIETY, 1951, (JUN): : 1520 - 1521

[2] COLORIMETRIC DETERMINATION OF ZINC AND COPPER WITH 2-CARBOXY-2'-HYDROXY-5'-SULFOFORMAZYLBENZENE [J]. ANALYTICAL CHEMISTRY, 1954, 26 (08) : 1345 - 1347

[3] SCHWARZENBACH G, 1957, COMPLEXOMETRIC TITRA, P84

[4] 1956, METHODS CHEMICAL ANA, P83

[5] 1958, RECOMMENDED METHODS