HG/T 4709-2014
HJ 811-2016
GB/T 14352.16-1993
Methods for chemical analysis of tungsten ores and molybdenum ores—Determination of selenium content—3,3'-diaminobenzidine photometric method
GB/T 14353.15-1993
Methods for chemical analysis of copper ores lead ores and zinc ores—Determination of selenium content—3,3'-diaminobenzidine photometric method
32014R0289