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GB/T 38423-2019 玩具中特定元素总含量的测定GB/T 38423-2019.Determination of total concentration of certain elements in toys.1.1GB/T 38423规定了玩具材料和玩具部件中锑、砷、钡、镉、铬、铅、汞和硒特定元素总含量测定的取样、消解和仪器分析方法。注:其他特...
09/08 2023
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GB/T 38402-2019 皮革和毛皮化学试验六价铬含量的测定:色谱法GB/T 38402-2019.Leather and fur-Chemical tests-Determination of chromium ( VI) content: Chromatographic method.GB/T 38402规定了色谱法测定皮革、毛皮中六价铬含量的方法。GB/T...
09/08 2023
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GB/T 38166-2019 钢板搪瓷、铝搪瓷和铸铁搪瓷的样板制备GB/T 38166-2019.Production of specimens for testing enamels on sheet steel ，sheet aluminium and cast iron.GB/T 38166规定了用于试验的搪瓷样板的制备方法。GB/T 38166适用于两种不...
09/08 2023
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GB/T 38168-2019 搪瓷制品和瓷釉涂搪制品瓷层的试验方法选择指南GB/T 38168-2019.Vitreous and porcelain enamel finishes- Guide to selection of test methods for vitreous and porcelain enamelled areas of articles.1范围G...
09/08 2023
