YS/T 509.8-2006 Methods for chemical analysis of sqodumenite and lepidolite concentrates The chromazurol S and cetyltrimethyl ammonium bromide photometric method for the determination of beryllium oxide content
Methods for chemical analysis of sqodumenite and lepidolite concentrates The chromazurol S and cetyltrimethyl ammonium bromide photometric method for the determination of beryllium oxide content