90.20 Standard under periodical review Jul 15, 2024
ISO
ISO/TC 119/SC 4 Sampling and testing methods for hardmetals
International Standard
77.160 Powder metallurgy
General requirements concerning the field of application, principle, interfering elements, apparatus, sampling and test report are given in ISO 7627-1.Determination of element contents in high concentration by the atomic absorption spectrophotometry method yields a wider scattering of results than are obtainable by other methods.
PUBLISHED
ISO 7627-5:1983
90.20
Standard under periodical review
Jul 15, 2024