ICS73-040D21中华人民共和国国家标准GB/T212-2001代替GB/T212-1991煤的工业分析方法Proximateanalysisofcoal(ISO11722:1999,Solidmineralfuels-Hardcoal-Determinationofmositureinthegeneralanalysistestsamplebydryinginnitrogen,eqv)(ISO1171:1997,Solidmineralfuels-Determinationofashcontent,eqv)(ISO562:1998,Hardcoalandcoke-Determinationofvolatilematter,eqv)2001一11门2发布2002一08一01实施中华人民共和国国家质量监督检验检疫总局发布cB/T212-2001目次前言·.......................................................................................................................m1范围····················。，····。···········。···，···························。································。·······⋯⋯12规范性引用文件·········‘······。·······················⋯⋯，’······，········································⋯⋯t3水分的测定····‘·····‘···.........................................................................................13.1方法A(通氮干燥法)············································································，.········.⋯⋯13.2方法B(空气干燥法)·······················································································⋯⋯23.3结果的计算，···········。··。·················。························································，，·······⋯⋯23.4水分测定的精密度·...............................................................................................34灰分的测定···································································...
