ISO 4491-4:1989
Metallic powders; determination of oxygen content by reduction methods; part 4: total oxygen by reduction-extraction

Standard No.

ISO 4491-4:1989

Release Date

1989

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Replace By

ISO 4491-4:2013

Latest

ISO 4491-4:2019

Scope

The test method is applicable to all powders of metals, alloys, carbides and mixtures thereof which are non-volatile under the test conditions. The sample may be in powder or compact form. The test is not applicable if the powder contains a lubricant or binder. This part of ISO 4491 shall be read in conjunction with ISO 4491-1.

ISO 4491-4:1989 history

• 2019 ISO 4491-4:2019 Metallic powders — Determination of oxygen content by reduction methods — Part 4: Total oxygen by reduction-extraction
• 2013 ISO 4491-4:2013 Metallic powders.Determination of oxygen content by reduction methods.Part 4: Total oxygen by reduction-extraction
• 1989 ISO 4491-4:1989 Metallic powders; determination of oxygen content by reduction methods; part 4: total oxygen by reduction-extraction