These were a series of articles from the late 1970s by two guys named Burfield and Smithers on the best ways to dry bcommon/b solvents. They're looking a bit tattered these days, but the information in them is still valid. b..../b i'm a young-un, and i've had the joy of intergrating gc by weighing. i've also collected nmr spectra on an ocilloscope, with a CW 60 MHz permanent magnet instrument complete with binkpen/b plotter. gives you one hell of an appreciation for high field ...