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  • ISO 6145-6-1986 - 中外标准 - - 1986/10 - 作废
    Describes the method using mixtures with one or more component(s), with a volume radio equal to or greater than 0,1 %, the repeatability of which on the concentration of each of the components is approximalety 0,5 % in relative value.
  • HG/T 2953-1986(1997) - 中外标准 - - 1986/8 - 废止
    气相色谱分析法标准格式
  • ISO 8213-1986 - 中外标准 - - 1986/7 - 现行
    From the lot to be sampled a certain number of increments is taken. The increments are mixed to form either a bulk sample or several primary samples, depending on the purposes of the sampling. By means of replicate reductions a reduced sample is prepared from the bulk sample or from each primary sample, then several laboratory samples, each stage of the division being preceded in each case by blending and, if necessary, by grinding and sieving the product. This International Standard is applicable to products with a maximum particle size of 100 mm.
    化学制品抽样采样设备粒状材料化合物连接抽样方法工业产品颗粒材料ChemicalsConnectionsIndustrial productsParticulate materialsSamplingSampling equipmentSampling methods
  • CNS 11619-1986 - 中外标准 - - 1986/6 - 现行
    X射线荧光光谱法技术规则
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    GB/T 6488-1986 - 中外标准 - - 1986/4 - 作废
    本标准适用于液体化工产品折光率的测定。
    化学工业液体折射率测量
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