Стандарты ISO

ISO 4491-1:1989

Действует

Metallic powders; determination of oxygen content by reduction methods; part 1: general guidelines — 3 стр.

Описание Изменения Ссылки Версии

На этот документ ссылаются

BS EN ISO 4491-3:2006

Действует

Metallic powders. Determination of oxygen content by reduction methods. Hydrogen-reducible oxygen — 18 стр.

BS EN ISO 4491-4:2013

Действует

Metallic powders. Determination of oxygen content by reduction methods. Total oxygen by reduction-extraction — 14 стр.

ÖNORM EN ISO 4491-4:2013-11

Заменен

Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction (ISO 4491-4:2013)

ÖNORM EN ISO 4491-4:2019-11

Действует

Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction (ISO 4491-4:2019)

ÖNORM EN ISO 4491-2:1999-10

Действует

Metallic powders - Determination of oxygen content by reduction methods - Part 2: Loss of mass on hydrogen reduction (hydrogen loss) (ISO 4491-2:1997)

ÖNORM EN ISO 4491-3:2006-09

Действует

Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen (ISO 4491-3:1997)