“…A second, revised and enlarged edition of Stahl's laboratory handbook was published in 1969 (Springer-Verlag). General reviews (321,801,1345,1483) and reviews of applications for the organic chemist (1124), theory (1884), thinlayer densitometry (814), instrumentation (853), vapor-programmed TLC (322), and combination of planar chromatography with column chromatography (629) have been written. A laboratory experiment for student use concerning the TLC separation and spectrophotometric analysis of 0-and p-nitroaniline was described (606).…”