![]() Test method of purified terephthalic acid (PTA) for industrial use—Part 4: Determination of titanium content—Diantipyrylmethane photometric method 工业用精对苯二甲酸(PTA)试验方法 第4部分:钛含量的测定 二安替吡啉甲烷分光光度法 |
![]() Plastics—Determination of environment stress cracking (ESC) of polyethylene—Full-notch creep test (FNCT) 塑料 聚乙烯环境应力开裂(ESC)的测定 全缺口蠕变试验(FNCT) |
![]() Organic compounds in drinking water—Test methods of geosmin and 2- methylisoborneol 生活饮用水臭味物质 土臭素和2-甲基异莰醇检验方法 |
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