WEF Discussions — Now on LinkedIn!

WEF is pleased to announce the creation of free LinkedIn groups associated with its technical discussion forum topics. Through these LinkedIn groups, members will be able to view and participate in discussions, as well as communicate with one another via direct messages. Share your experiences and knowledge, ask questions and respond to other discussions as frequently as you like!

You must have a LinkedIn profile to join a LinkedIn group; you can create your profile here. If you already have a LinkedIn profile, all you need to do is submit a request to join one or all of the following groups:

Water Environment Federation (Main) | Biosolids | Collection Systems | Nutrients | Stormwater 
Utility Management | Water Reuse | Water for Jobs | Watershed Management | Laboratory Practices 

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Sulfide, SM4500S2-D
Posted: Tuesday, October 30, 2012 10:27 AM
Joined: 1/18/2012
Posts: 6

Does anyone run SM4500S2-D in their lab, Methylene Blue Method? We are having recovery issues with a purchased certified reference material. We use Chemetrics reagent kids on our Genesys 20 Thermo Fisher spectrophotometer.