ICS77.120.99H64YS中华人民共和国有色金属行业标准YS/T509.7-2008代替YS/T509.8一2006锂辉石、锂云母精矿化学分析方法氧化铍量的测定铬天青S-CTMB分光光度法Methods for chemical analysis of spodumene and lepidolite concentrates-Determination of beryllium oxide content-Chromazurol S andcetyltrimethyl ammonium bromide spectrophotometric method2008-03-12发布2008-09-01实施国家发展和改革委员会发布
