镉锰铅锌滤膜标准物质的研制闫慧芳，徐伯洪，萧宏瑞，金胜昔，常文静为了确保车间空气中常见有害金属及其化合物监测的准确性，校准测量仪器、评价测量方法、对测定过程进行质量控制，必须采用基质相似的标准物质。美国标准局１９７５年研制了铍滤膜标准物质［１］，后来... Development of cadmium, manganese, lead and zinc filter standard materials Yan Huifang, Xu Bohong, Xiao Hongrui, Jin Shengxiu, Chang Wenjing In order to ensure the accuracy of the common monitoring of harmful metals and their compounds in the air in the workshop, the calibration measuring instruments, evaluation and measurement methods, Quality control, you must use a similar matrix of standard substances. American Bureau of Standards in 1975 developed a beryllium filter membrane reference material [1], and later ...