ISO 3909:1976
Hardmetals — Determination of cobalt — Potentiometric method
Hardmetals — Determination of cobalt — Potentiometric method
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 3
- Дата публикации:
- 1 октября 1976 г.
- Издание:
- ISO IS 3909 edition 1 version 1
- ICS:
- 77.160
The method is applicable to carbides and binder metal powder mixtures, free of lubricant, all grades of presintered or sintered hardmetals, having a cobalt content exceeding 1 % (m/m). Gives principle, interfering elements, reagents, apparatus, sampling, procedure, expression of results and test report.
Abstract
Overview
ISO 3909:1976 defines a potentiometric method for the determination of cobalt content in hardmetals. Hardmetals are composite materials typically composed of carbides and cobalt binder metals, widely used in industrial applications for their exceptional hardness and wear resistance. This standard is applicable to both presintered and sintered hardmetal products with cobalt content exceeding 1% by mass. The method ensures accurate cobalt quantification through potentiometric titration, addressing potential interference from elements like vanadium and manganese.
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