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  • ISO 6791-1981 - 中外标准 - - 1981/11 - 现行
    Specifies a conventional gravimetric method for the determination. A test portion ist reated with quinoline in a beaker at 70 to 80 °C for 15 to 20 min. Then the dissolved test portion and the residue are brought to a Hartley funnel fitted with a filter pad, and are filtered. The washed and dried residue on the filter pad is weighed.
    生产化学分析沥青碳素材料焦油电极喹啉化学分析和试验重量分析冶炼非溶物质含量测定AluminiumCarbon materialsChemical analysis and testingDetermination of contentElectrodesExtraction metallurgyGravimetric analysisProductionQuinolineTars
  • 2. 黑蜡
    CNS 8014-1981 - 中外标准 - - 1981/10 - 现行
    黑色皮革制品
  • CNS 8017-1981 - 中外标准 - - 1981/10 - 现行
    检验堪地里拉蜡
  • CNS 8016-1981 - 中外标准 - - 1981/10 - 现行
    蜡烛小烛树蜡
  • CNS 8015-1981 - 中外标准 - - 1981/10 - 现行
    黑色检验
  • ISO 6743-2-1981 - 中外标准 - - 1981/10 - 现行
    This part of ISO 6743 establishes the detailed classification of family F which belongs to the class L (lubricants, industrial oils and related products) and should be read in conjunction with ISO 6743-0.
    分类系统石油产品轴承润滑剂分类离合器润滑油BearingsClassificationClassification systemsClutchesLubricantsLubricating oilsPetroleum products
  • ISO 6743-0-1981 - 中外标准 - - 1981/9 - 作废
    Within this class 18 families of products are defined according to application in order to cover, as far as possible, all the applications for which these products are used. The detailed classification of each family will be given in subsequent parts of ISO 6743 as the need arises. The classification concerns only new products.
  • ISO 6743-1-1981 - 中外标准 - - 1981/9 - 作废
    Establishes the detailed classification. Should be read in conjunction with ISO 6743-0. Each category is designated by a code. The designation can be supplemented by the addition of viscosity grades. Products are designated in a uniform manner for example in complete or in an abbreviated form.
  • ISO 2715-1981 - 中外标准 - - 1981/8 - 作废
    Gives the characteristics of such equipment and rules for systematically applying appropriate consideration to the nature of the liquids to be measured, to the installation of a metering system, and to the selection, performance, operation and maintenance of the same.
    烃类液体电力设备测量仪器石油产品产品规范设备规范容积测量液体燃料Electrical installationsHydrocarbonsLiquid fuelsLiquidsMeasuring instrumentsPetroleum productsProduct specificationVolume measurement
  • ISO 1516-1981 - 中外标准 - - 1981/7 - 作废
    Specifies a method to determiine if a flammable material, when maintained at a selected equilibrium temperature and under the conditions of the test, gives off sufficient flammable vapour at this temperature to cause ignition on application of an external source of flame applied in a standard manner. The method is suitable for use over the temperature range 5 to 65 C.
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