BS 2690-13:1972

Заменен

Methods of testing water used in industry, Dichromate value (chemical oxygen demand), non-volatile organic carbon, tannins and chlorine

Описание Изменения Ссылки Версии

Ссылочные документы

BS 6068-2.34:1988

Действует

Water quality. Physical, chemical and biochemical methods, Method for the determination of the chemical oxygen demand — 10 стр.

BS EN ISO 7393-2:2000

Заменен

Water quality. Determination of free chlorine and total chlorine, Colorimetric method using N,N-diethyl-1,4-phenylenediamine for routine control purposes — 16 стр.

На этот документ ссылаются

BS EN ISO 7393-2:2000

Заменен

Water quality. Determination of free chlorine and total chlorine, Colorimetric method using N,N-diethyl-1,4-phenylenediamine for routine control purposes — 16 стр.

BS 6068-2.34:1988

Действует

Water quality. Physical, chemical and biochemical methods, Method for the determination of the chemical oxygen demand — 10 стр.