Water quality. Physical, chemical and biochemical methods. Method for the determination of anionic surfactants by the methylene blue spectrometric method.

UNGÜLTIG herausgegeben am 31.7.1986

Water quality. Physical, chemical and biochemical methods. Method for the determination of phosphorus: ammonium molybdate spectrometric method.

UNGÜLTIG herausgegeben am 31.12.1986

Water quality. Physical, chemical and biochemical methods. Method for the determination of permanganate index.

UNGÜLTIG herausgegeben am 31.7.1987

Water quality. Physical, chemical and biochemical methods. Method for the determination of electrical conductivity.

UNGÜLTIG herausgegeben am 29.9.1989

Water quality. Physical, chemical and biochemical methods. Methods for the determination of total chromium by atomic absorption spectrometry.

UNGÜLTIG herausgegeben am 30.11.1990

Water quality. Physical, chemical and biochemical methods. Determination of total mercury by flameless atomic absorption spectrometry: method after digestion with permanganate-peroxodisulphate.

UNGÜLTIG herausgegeben am 31.12.1984

Water quality. Physical, chemical and biochemical methods. Determination of total mercury by flameless atomic absorption spectrometry: method after pretreatment with ultraviolet radiation.

UNGÜLTIG herausgegeben am 31.12.1984

Water quality. Physical, chemical and biochemical methods. Determination of total mercury by flameless atomic absorption spectrometry: method after digestion with bromine.

UNGÜLTIG herausgegeben am 31.12.1984

Water quality. Physical, chemical and biochemical methods. Method for determination of cyanide by diffusion at pH 6.

UNGÜLTIG herausgegeben am 28.2.1986

Water quality. Physical, chemical and biochemical methods. Method for the determination of ammonium: automated spectrometric method.

UNGÜLTIG herausgegeben am 30.11.1987