Test methods of caprolactam for industrial use—Part 3:Determination of permanganate absorption number—Spectrometric method
MOD ISO 8660:2002
全国化学标准化技术委员会有机分会(SAC/TC 63/SC 2)
GB/T 13255的本部分规定了用分光光度法测定工业用己内酰胺的高锰酸钾吸收值(PAN)。
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