阐述了金属铬生产中“三废”的来源，结合实际论述了三废治理的办法和效果。
Abstact the waste source of metal chrome production are expounded, the method and results are discussed according to the practice.
方法微波消解75种化妆品，原子吸收分光光度法测定化妆品中重金属铅、铬、砷、镉和铜的含量，试验了不同消解条件对消解效果的影响。
Methods Microwave digestion of samples with different digestion conditions and atomic absorption spectrometry were used to determine Pb, As, cr, Cd and Cu contents in 75 kinds of cosmetics.
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