. Textile school catalog, 1916-1917 . xed dyes.—Testing of dyestuffs on the fibre for the purposes of identifi-cation.—Practice in the analysis of dyes in bulk and on the fibre. This course is very essential to the student who desires to fithimself thoroughly for the position of dyer, chemist in a textilemill or commission house, or chemist in a dyestuff manufactory,and has been specially designed with these ends in view. A largeamount of practical work in the analysis and testing of the variousmaterials given is required of each student. DYEING I. Physical and Chemical Properties of the Texti
. Textile school catalog, 1916-1917 . xed dyes.—Testing of dyestuffs on the fibre for the purposes of identifi-cation.—Practice in the analysis of dyes in bulk and on the fibre. This course is very essential to the student who desires to fithimself thoroughly for the position of dyer, chemist in a textilemill or commission house, or chemist in a dyestuff manufactory,and has been specially designed with these ends in view. A largeamount of practical work in the analysis and testing of the variousmaterials given is required of each student. DYEING I. Physical and Chemical Properties of the Textile Fibres Classification of textile fibres.—Study of the physical and chemical proper-tics of the various animal and vegetable fibres.—Microscopy of the fibres. This course is intended to make the student familiar with thevarious fibres that are employed for textile purposes. He is requiredto study the microscopy of typical fibres, and in this manner becomefamiliar with the peculiar structure of fibres of different origin. 87. COURSi: IN CHEMISTRY, DYKING AND PRINTING DYEING II. Technology of Scouring and Bleaching Study of the impurities occurring in raw wool.—Steeping and scouringwool.—By-products from scouring liquors.—Scouring cloth and yarn.—Waterfor scouring purposes.—Study of the solvent methods for scouring wool.—■Soaps for scouring purposes.—Influence of different scouring agents and con-ditions on the phjsical properties of wool.—Scouring and boiling-out of —Bleaching of wool; stoving with sulphur dioxide; bleaching with sodiumand hydrogen peroxides, potassium permanganate, etc. Bleaching of cotton;use of chloride of lime; stud} of the proper conditions for bleaching.—L,inenbleaching. A thorough course of lectures on the subject is given, and thetheoretical study of the course is conducted by periodical examina-tions on the same. A constant reference is made to the chemistryof the processes, with a chemical study of the materials
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