Determination of 3,3′-dichloro-4,4′-diaminodiphenylmethane in polymeric materials—Gas chromatography-mass spectrography
全国质量监管重点产品检验方法标准化技术委员会(SAC/TC 374)
本标准规定了聚合物材料中3,3′二氯4,4′二氨基二苯基甲烷测定的气相色谱质谱法。本标准适用于聚氨酯材料中3,3′二氯4,4′二氨基二苯基甲烷的测定。其他聚合物材料中3,3′二氯4,4′二氨基二苯基甲烷经过验证后也可参照本标准进行测定。
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