BS EN 1233:1997

Действует

Water quality. Determination of chromium. Atomic absorption spectrometric methods — 14 стр.

Ссылочные документы

BS 6068-2-2.38:1990

Заменен

Water quality. Physical, chemical and biochemical methods, Methods for the determination of total chromium by atomic absorption spectrometry — 12 стр.

На этот документ ссылаются

BS EN 13657:2002

Действует

Characterization of waste. Digestion for subsequent determination of aqua regia soluble portion of elements — 30 стр.

BS EN 13656:2002

Действует

Characterization of waste. Microwave assisted digestion with hydrofluoric (HF), nitric (HNO$d3), and hydrochloric (HCl) acid mixture for subsequent determination of elements — 28 стр.

BS 6068-2-2.38:1990

Заменен

Water quality. Physical, chemical and biochemical methods, Methods for the determination of total chromium by atomic absorption spectrometry — 12 стр.