ISO 4551:1987
Ferroalloys — Sampling and sieve analysis
Ferroalloys — Sampling and sieve analysis
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 9
- Дата публикации:
- 10 декабря 1987 г.
- Издание:
- ISO IS 4551 edition 1 version 1
- ICS:
- 77.100
Specifies the methods of sampling, sample preparation and sieve analysis for the determination of the size distribution in a consignment or a lot af all types of ferroalloys of particle size equal to or greater than 40 m.
Abstract
Overview
ISO 4551:1987 specifies standardized procedures for sampling, sample preparation and sieve analysis of ferroalloys to determine particle size distribution. The standard covers consignments or lots of ferroalloys with particle sizes equal to or greater than 40 µm and sets rules to ensure representative sampling, accurate sieving and reproducible reporting of size fractions.
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