Determination of cadmium, copper, lead and zinc in water samples by flame atomic absorption spectrometry after cloud point extraction
作者： Jianrong Chen , Khay Chuan Teo
DOI: 10.1016/S0003-2670(01)01367-8
关键词:
摘要: … a Milli-Q system (Millipore Corp., Bedford, MA). The materials and vessels used for trace analysis were kept in 10% nitric acid at least 24 h and subsequently four times in Milli-Q water. …
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