CATALOG 1952-1953 CY. 536.-Chemical Analysis. 1 hour, and 6 hours laboratory. 3 credits. Selected methods for the detection and determination of a number of elements not covered in elementary courses. CY. 538.-Quantitative Organic Chemistry. 9 hours laboratory or its equivalent. 3 credits. Offered 2. CY. 539.-The Analytical Control of Water Treatment. 1 hour, and 6 hours laboratory. 3 credits. Prerequisite: CY. 529. A laboratory course dealing with the most recent developments in analytical tech- niques and the separation and determination of components not ordinarily determined in water analysis. CY. 540.-Selected Topics in Water Supply and Treatment. 3 hours or its equivalent. 3 credits. Prerequisite: CY. 535. A survey of the contemporary literature in the fields of water supply and treatment. CY. 541.-Fluorine Chemistry. 3 hours or its equivalent. 3 credits. The preparation and properties of fluorine-containing chemical compounds. CY. 542.-Fluorine Chemistry. 3 hours or its equivalent. 3 credits. The second half of the course CY. 541-542. CY. 543.-Fluorine Chemistry Laboratory Techniques. 9 hours laboratory or its equivalent. 3 credits. The development of laboratory skills of importance in the manipulations for chem- ical and physical research involving fluorine-containing compounds. CY. 544.-Fluorine Chemistry Laboratory Techniques. 9 hours laboratory or its equivalent. 3 credits. The second half of the course CY. 543-544. CY. 545.-Theoretical Aspects of Fluorine Chemistry. 3 hours or its equiva- lent. 3 credits. The extreme properties of fluorine and its compounds. The contributions of fluorine chemistry to physical theory and to theories of chemical mechanism. CY. 546.-Fluorocarbon Chemistry. 3 hours or its equivalent. 3 credits. The laboratory and industrial preparation of fluorocarbons and their derivatives. The properties of fluorocarbon derivatives as contrasted with analogous organic com- pounds. The synthetic chemistry of fluorocarbons. CY. 547.-Biochemistry (Proteins and Colloids). 2 hours or its equivalent. 2 credits. Prerequisite: A course in general biochemistry. Lectures and assigned readings on composition, structure, physicochemical proper- ties and the function of the proteins; and studies on the relation of colloidal systems to biochemical processes. CY. 548.-Biochemistry (Carbohydrates and Lipids). 2 hours or its equiva- lent. 2 credits. Prerequisite: A course in general biochemistry. A comprehensive course covering all classes of carbohydrates including the mono- saccharides, oligosaccharides, polysaccharides and their derived compounds; and a study of lipid chemistry. CY. 549.-Biochemistry Laboratory (Proteins and Colloids). 3 hours lab- oratory. 1 credit. Prerequisite or corequisite: CY. 547. Accompanying laboratory course for CY. 547. The statement "Offered 1" means offered first semester; 2. second semester; 3, summer session.