SN/T 1731.11-2014.Safety performance test for Pyrotechnic composition used for export fireworks and firecracker- Part 11 : Determination of pH.SN/T 1731.11规定了烟花爆竹用烟火药剂pH值测试所需的设备、材料、试验步骤及结果评定。
SN/T 1731.11适用于烟花爆竹用烟火药剂pH值的测试。...................
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