Water Environment Federation (WEF) Discussion ForumsWater Environment Federation (WEF) Discussion Forumshttp://www.wef.org/TechnicalDiscussions/jfuller@wef.orgSat, 22 Nov 2008 08:46:00 GMT20http://www.wef.org/TechnicalDiscussions/Topic5166-17-1.aspxYou need to post this question in the "Laboratory" section.Thu, 17 May 2007 12:36:55 GMTD Shulmisterhttp://www.wef.org/TechnicalDiscussions/Topic5166-17-1.aspxWe are using the Hach Nitrate cadmium reduction method for nitrate analysis along with the Nitrate nitrogen standard solution. We have never gotten the standard solution to pass. We tried different dilutions and shaking for various times. 2 minute and 3 min shaking times actually gave us the same result.Thu, 17 May 2007 11:13:03 GMTKavita