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ISO FDIS 4496

2017 Edition, January 24, 2017

Complete Document

METALLIC POWDERS - DETERMINATION OF ACID-INSOLUBLE CONTENT IN IRON, COPPER, TIN AND BRONZE POWDERS



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Superseded By: ISO 4496

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NOW A PUBLISHED STD * SEE ISO 4496
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Description / Abstract:

This document specifies methods for determining, in iron, copper, tin and bronze powders, the approximate content of non-metallic materials which are insoluble in the ordinary mineral acids.

The insoluble matter referred to is generally considered to be acid-insoluble silica and silicates, carbides, alumina, clays or other refractory oxides which are either present in the raw material from which the powders are manufactured or introduced during the manufacturing process.
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