Zirconium and zirconium alloys - determination of chromium content - diphenylcarbazide spectrophotometric method 二苯卡巴肼分光光度法测定铬量
Methods for chemical analysis of aluminium alloys - part 19 : determination of chromium content by diphenylcarbazide spectrophotometric method 铝合金化学分析方法第19部分:二苯卡巴肼光度法测定铬含量
Water quality - physical , chemical and biochemical methods - determination of chromium - spectrometric method using 1 , 5 - diphenylcarbazide 水质.第2部分:物理化学和生物化学法.第47节:四氯化铬含量测定: 1 , 5 -二苯卡巴肼光谱法
Standard test method for the determination of hexavalent chromium in workplace air by ion chromatography and spectrophotometric measurement using 1 , 5 - diphenylcarbazide 用1 , 5 -二苯卡巴肼离子色谱法和分光光度测定法测定工作场所气体中六价铬的标准试验方法
Workplace air - determination of hexavalent chromium in airborne particulate matter - method by ion chromatography and spectrophotometric measurement using diphenyl carbazide 工作场所空气.空中漂浮颗粒物质中六价铬的测定.使用二苯卡巴肼的离子色谱法和分光光度计测量法