两种水源中锌的含量均不高，所有水厂出厂水中硒、铜、铬、砷、铅、汞均未检出。
Zn content was low and no Cu, Se, Cr, As, Pb, and Hg were found in all the waterworks′ samples we determined.
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.
以铬化砷酸铜(CCA)为代表的水载型防腐剂，逐渐被其他主要有效成分为铜的水载型防腐剂取代，这类防腐剂中的。
Arsenic and chromium based water-borne preservatives, especially CCA (chromated copper arsenate), have been partly replaced by some copper based preservatives.
与正常土壤比较，该区土壤铅、镉、锌、砷含量有不同程度的增加，铜、 镍、铬含量与之持平。
Compared to background content of heavy metal, concentration of lead, cadmium, zinc and arsenic was higher than it, and evident accumulation trend already appeared consequently.
与正常土壤比较，该区土壤铅、镉、锌、砷含量有不同程度的增加，铜、 镍、铬含量与之持平。
Compared to background content of heavy metal, concentration of lead, cadmium, zinc and arsenic was higher than it, and evident accumulation trend already appeared consequently.
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