BS 5551-4.1.4:1984

Действует

Fertilizers. Chemical analysis. Determination of nitrogen, Method for determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide (titrimetric method) — 14 стр.

Описание Изменения Ссылки Версии

Ссылочные документы

BS 5309-4:1976

Отменен

Methods for sampling chemical products, Sampling of solids — 48 стр.

BS 5309-1:1976

Отменен

Methods for sampling chemical products, Introduction and general principles — 36 стр.

BS 5724-2.6:1985

Заменен

Medical electrical equipment. Particular requirements for safety, Specification for microwave therapy equipment — 16 стр.