BS 5600-2.9(1980) : 1980被替代
POWDER METALLURGICAL MATERIALS AND PRODUCTS - METHODS OF SAMPLING AND TESTING METALLIC POWDERS - DETERMINATION OF ACID INSOLUBLE CONTENT IN IRON COPPER TIN AND BRONZE POWDERS
出版：British Standards Institution
專家解讀視頻
Describes methods for determining, in iron, copper, tin and bronze powders, the approximate content of non metallic materials insoluble in ordinary mineral acids, generally considered to be acid insoluble silica, silicates, carbides, alumina, clays or other refractory oxides either present in the raw material from which the powders are manufactured or introduced during the manufacturing process. Includes sections on reagents, apparatus and sampling.
ISO 4496 : 2017 - Identical
