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Excerpt from Scientific Memoirs by Medical Officers of the Army of India, 1892, Vol. 7: 1. Some Observations on the Life-History of Sclerostomum Tetracanthum Diesing, and on Sclerostomiasis in Equine Animals, In Connection With a So-Called Outbreak of "Surra" At ShillongFor some eighteen months past there has been present, among equine animals at Shillong, an epizootic, which has resulted in the loss of a large number of valuable animals.About...

Classification of chromatographic methods Chromatography is the name given to a particular family of separation techniques of great effectiveness. The original method was described in 1903 by Tswett, who used it for the separation of coloured substances, and the name chromatog­ raphy stems from this. However, the limitation to coloured compounds never really obtained, and most chromatographic separations are nowadays performed on mixtures of c...