GB 24409-2009 Translated English of Chinese Standard (GB24409-2009): Limit of Harmful Substances of Automobile Coatingshttps://www.chinesestandard.net, 15. sep. 2017 - 29 sider This standard specifies the requirements, test method, test rules and packing mark of harmful-substance permissible limit in original coating, repair coating and spare coating used on passenger car, commercial car, trailer, road train for human and environment. |
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accurate to 0.1mg acetate and diethylene acetonitrile apparatus based coating beaker bi-component cross-linking type boiling point cadmium calibration compounds calibration curve calibration mixture carrier gas cellosolve acetate Chromatographic column compounds with boiling condition of gas construction mixture ratio Deuterium lamp diethylene glycol butylether diluting solvent ether and ether ether ester ethylbenzene ethylene glycol monomethyl film coatings filter membrane flame ionization detector Formula gas chromatograph glycol butylether acetate glycol ether glycol monomethyl ether gram g gram g/g gram per gram instrument parameters internal standard known purity least 99 mass fraction measuring flask mercury mixed sample mixture ratio shown monomethyl ether acetate nitric acid optimized according Peak area polyethylene glycol polyfluortetraethylene plate prepared according relative correction factor relative deviation sample preparation bottle solid color paint spectrophotometer split ratio standard operation solution test results test solution tested compound tested object toluene unit is gram VOC content Volatile organic compounds X-Ray Fluorescence xylene