摘要
采用四酸消解法、碱熔消解法、干灰化—王水消解法、浓硫酸—高锰酸钾消解法和硝酸加热煮沸消解法等5种方法处理城市污泥样品,以全谱直读—电感耦合等离子发射光谱仪测定其中的铜、锌、铅和汞金属的含量。试验结果表明,对于污泥中的铜和锌,碱熔消解法的消解效果较好;而对于污泥中的铅和汞,则宜采用四酸消解法和浓硫酸—高锰酸钾消解法。
Five methods including four acids digestion, alkaline fusion digestion, dry ashing/aqua regia digestion, concentrated sulfuric acid/potassium permanganate digestion and nitric acid digestion were used to treat municipal sludge, and the contents of copper, zinc, lead and mercury were determined by ICP-OES. The resuits show that for copper and zinc in municipal sludge, the alkaline fusion digestion method has better effect, while for lead and mercury in municipal sludge, the four acids digestion method and the concentrated sulfuric acid/potassium permanganate digestion method should be used.
出处
《中国给水排水》
CAS
CSCD
北大核心
2008年第15期97-99,共3页
China Water & Wastewater
