水质 痕量砷的测定
硼氢化钾-硝酸银分光光度法
Water quality-Determination or traceamounts of arsenic
-Spectrophotometric method with silver salt
GB 11900—89
水质 痕量砷的测定
硼氢化钾-硝酸银分光光度法
Water quality-Determination or traceamounts of arsenic
-Spectrophotometric method with silver salt
GB 11900—89