二苯碳酰二肼分光光度法测定六价铬及其影响因素分析  

Determinationof Hexavalent Chromium by Diphenylcarbazide Spectrophotometry and Its Influencing Factors

作　　者：周荣清 ZHOU Rong-qing(Pingnan Environmental Monitoring StationNingde City Co.,Ltd.,Ningde 352300,China)

机构地区：[1]宁德市屏南环境监测站,福建宁德352300

出　　处：《化工管理》2020年第33期58-59,共2页Chemical Engineering Management

摘　　要：很多金属离子都有一些相似特性,比如不同的价态会有不同的特性。金属铬或二价或三价铬是没有危害的,但是六价铬含有有毒物质,如果和人体皮肤发生接触或者被人误食后,如果情况不严重,皮肤过敏会轻度发生,但如果严重的话,会引起癌症,从而导致遗传异常和其他风险。除此之外,六价铬也会对对环境造成的损害,而且这种损害是不可逆的,是持久的,很难在短时间内消除。所以提高对六价铬在水体和环境中的含量的测定,就显得至关重要。研究和分析对六价铬测定方法以及影响条件,进而达到提升测定六价铬的准确率,这样可以有效预防和防止六价铬对水体好环境的污染。文章主要涉及分光光度法测定水中六价铬及其影响因素分析,为有关各方提供需求的参考和基准。Many metal ions have some similar characteristics,for example,different valence states have different characteristics.Metal chromium or divalent or trivalent chromium is harmless,but hexavalent chromium contains toxic substances.If contact with human skin or ingestion occurs by mistake,skin allergy will occur slightly and cause cancer seriously.This leads to genetic abnormalitiesand other risks.And the damage caused by hexavalent chromium to the environment is lasting and difficult to eliminate.Therefore,it is very important to improve the determination of hexavalent chromium in water and environment.Research and analysis of hexavalent chromium determination methods and influence conditions,so as to improve the accuracy of the determination of hexavalent chromium,which can effectively prevent and prevent the pollution of hexavalent chromium on the water environment.The determination method and influence conditions of hexavalent chromium were studied and analyzed,This paper mainly deals with the determination of hexavalent chromium in water by spectrophotometry and the analysis of its influencing factors,which provides a reference and benchmark for all parties concerned.

关 键 词：六价铬 分光光度法 影响因素 

分 类 号：X832[环境科学与工程—环境工程]