日期:2012-04-13 10:06
rison between the methods for determining hexavalent chromium in steeI sheet coatings／／CHEN Gui-lin+，KONG Ralene，QIAN Eric，ZHU PingAbstract：Some commonly．used standards for determining hexavalent chromium were compared．The effects of extraction time and extracting agent on the determination of hexavalent chromium content in coatings on steel sheets were studied．The applicability of individual method for extracting hexavalent chromium wasexpatiated．The experimental results showed that b