BS 3630-9:1969

Заменен

Methods for the sampling and analysis of zinc and zinc alloys, Copper in ingot zinc and zinc alloy A (photometric method) — 8 стр.

Ссылочные документы

Действует

Zinc and zinc alloys. Chemical analysis. Determination of lead, cadmium and copper. Flame atomic absorption spectometric method — 16 стр.