On Feb 10, 2007, at 1:33 PM, Mishka wrote: > moles is as common as it gets. that's molecular mass/L
So, for example, if the paper says 1225 nM concentration, I have to know the molecular mass of the substance to know how many mg/L that converts to? That seems awfully complicated to me. I'm not a chemist!!!! I'm just trying to figure out what these guys are saying in units that mean something to me. Bob -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
