Carbonaceous materials used in the production of aluminium—Pitch for electrodes—Part 12:Determination of volatile matter content
IDT ISO 12977:1999
全国有色金属标准化技术委员会(SAC/TC 243)
GB/T 26930的本部分规定了采用气相色谱法进行煤沥青中甲苯可溶物挥发性物质的经验测定方法。
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