BS 6068-2-2.22:1986

Заменен

Water quality. Physical, chemical and biochemical methods, Examination and determination of colour — 10 стр.

Заменен на

BS EN ISO 7887:1995

ICS

13.060.01 Water quality in general / Качество воды в целом

17.180.20 Colours and measurement of light / Цветовые и световые измерение