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ASTM D4059气相色谱法分析无机绝缘油中多氯联苯含量标准试验方法
日期:2012-02-10 17:50
ue may not be applicable to the determination of PCBs from other sources of contamination.
1.3 The precision and bias of this test method have been established only for PCB concentrations in electrical insulating mineral oils and silicones. The use of this test method has not been demonstrated for all insulating fluids. Some insulating liquids, such as halogenated hydrocarbons, interfere with the detection of PCBs and cannot be tested without pretreatment.
1.4 The values stated in SI units are

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