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question:heavy-metals
question:heavy-metals


Author Comment Last activity Moderation
Ag8n "The older usp method was based on hydrogen sulfide. This was later changed to a thioacetamide based test. This is better, but still not good. The..." | Read more » over 4 years ago
Kshatrya "If you are looking for specific metals, there should be some reagent that will precipitate or indicate that metal. But if you're looking for all th..." | Read more » over 4 years ago
Kshatrya "If you are looking for specific metals, there should be some reagent that will precipitate or indicate that metal. But if you're looking for all th..." | Read more » over 4 years ago
Ag8n "I like energy dispersive X-Ray florescence (EDXRF). It's non-distructive, low power, and relatively cheap. On the down side, it's hard to calibra..." | Read more » over 4 years ago
nedhorning "Hi Johan, Although a shift in the red edge could indicate heavy metal stress it could also indicate a host of other types of stress. Monitoring th..." | Read more » almost 8 years ago
btbonval "I think it would be difficult to measure for heavy metals without interacting with the plant in some way, as the metals are unlikely to be hanging ..." | Read more » almost 8 years ago