
Methods of sampling for chemical analysis of ferroalloys (Part 2: Ferrotungsten, ferromolybdenum, ferrovanadium, ferrotitanium and ferroniobium)
出版:Japanese Standards Association

專家解讀視頻
This Japanese Industrial Standard specifies the sampling methods for determination of the average grade of chemical composition of one consignment of JIS G 2306, JIS G 2307, JIS G 2308, JIS G 2309 and JIS G 2319.
ISO 4552-2:1987 - Identical