40pp stapled booklet with colour plate frontispiece, sparsely illustrated in text with line drawings, in printed stiff card covers. 8vo. Covers are brushed all over, lightly rubbed at edges and a little toned over the spine. Internally neat, clean, bright and tight.
An introduction to the basic principles and practices of chromatography, a scientific method for the separation of a mixture into its components first developed by the Russian botanist M Tswett in the early 1900s and subsequently widely used in research and manufacturing.