INDUSTRIAL
16
AND ENGINEERING
CHEMISTRY
News
Edition
CASEIN AND ITS INDUSTRIAL APPLICATION! By E D W I N SUTERMEISTER Chief Chemist: S. D. Warren Company, Westbrook, Me. Author: The Chemistry of Pulp and Paper Making, 1920 With Chapters by the Following Contributors: George H. Brother, Ph.D., Rohm & Haas Co., Inc., L·. A. Olney, Lowell Textile School, Lowell, Mass. Philadelphia, Pa. H . A. Schuette, P h . D . , Assistant Professor of Chem Frederick L. Browne, Ph.D., Chemist, U. S. Forest istry, University of Wisconsin, Madison, Wis. Products Laboratory» Madison, Wis. F . L. Seymour-Jones, Englevvood, N. J . Arnold O. Dahlberg, B.S., Golden State Milk Products Albin H. Warth, Β.S., Chemical Engineer, Crown Cork Co., San Francisco, Cal. & Seal Co., Baltimore, Md. Ross Aiken Gortner, Ph.D., Professor of Agricultural J o h n A r t h u r Wilson, Chief Chemist, A. F . Oallun & Biochemistry, University of Minnesota, St. Paul, Minn. Sons Co., Consulting Chemist, Milwaukee Sewerage Com Peter Masucci, B.S., Chief Chemist, H . K. Mulford Co., mission, Milwaukee, Wis. Philadelphia, Pa.
A. C. S. M O N O G R A P H NO* 30 TABLE OF CONTENTS
agents. Other uses of casein. References.
CHAPTER
1.
ORGANIC CHEMISTRY OK CASEIN—Ross Aiken Gortner
Preparation of casein from cow's milk. Is casein homogeneous? Elementary analysis and molecular weight. Amino acid content of casein. Nitrogen distribution of casein. Identity of casein from dif ferent mammals. Paracasein. Racemized casein. Action of halogens on casein. Desaminocasein. Nitro-casein. Methylated casein. Vaughan's "pro tein poison." Formaldehyde casein. "Oxyprotosulfonic acid." Caseinkyrine. Paranuclein and paranucleic acids. Action of carbon disulfide on casein. Literature cited. 2.
PHYSICAL
CHEMISTRY
OP CASEIN—John
CHAPTER
(3.
7.
Arthur
Wilson Isoelectric point. Solubility. The Donnan equili brium. Swelling and solution in H Cl. Effect of salt. Osmotic pressure. Membrane potentials. Viscosity. Ionic mobility. General. References. 3.
MANUFACTURE OF CASEIN—Arnold O. Dahlberg
Equipment required. Precipitating vats. Curd press. Dividing boards. Drain and press cloths. Curd mill. Drying trays and trucks. Tunnel drier. Blower and heating apparatus. Drain racks. Meth ods of manufacturing. Draining and washing. Press ing. Grinding the curd. Spreading on trays. Dry ing. Grinding and packing. Yield of casein. Proc esses of manufacture. Self sour or lactic acid (vat; ejector; sour whey). Sulfuric (pressed; cooked). Muriatic (pressed; cooked; grain curd). Rennet. Buttermilk. Effect of manufacturing method on qualit}'- of casein. Analyses of casein. Pure casein by Van Slyke and Baker method. Edible casein. Refer ences. CASEIN PAINTS—Albin II.
8.
CASEIN IN PAPER MAKING—Edwin
Sutermeister
Nature of coated paper. Adhesives used. Earlyattempts to use casein. Coating operations. Pre paring casein solutions. Addition of alkalies. Typi cal mill procedures. Preparing the coating mixtures. Mineral matters used. Coating the paper. Foaming. Defects in casein. Preservatives. Waterproofing
CASEIN PLASTICS—George II. Brother
Definition of "Plastics." History of development. Methods of manufacture. Chemistry of the proc esses. Properties and characteristics. Applications and possibilities. References. CASEIN GLUES—Frederick L. Browne Antiquity of use. Classification of glues. W a t e r resistant glues. General description of casein glues. Chemistry of casein glues. Glues giving reversible jellies. Glues giving irreversible jellies. Miscellan eous ingredients of casein glues. Influence of ^ r a d e of raw materials on properties of glue. T y p e of casein. Grade of lime. Grade of water glass. Technic o f use for wood working. Mixing casein glue. Applying the glue. Pressure in glueing. Time of pressing. Results with different woods. Staining from glue. Testing casein glues. Joint strength test. Water re sistance test. U. S. Air Service specifications. A b r a sion of tools. Uses of casein glues. References. CASEIN I N MEDICINE—Peter
Masucci
Historical. Purity of medicinal casein. Casedn in medicinal foods. Calcium caseinate N.JNT.R. Casein JSi.N.R. Diaprotein prepared flour N.N.E.. Caseinhydrol. Sodium casemate. Ammonium, caseinate. Sanose. Caseinphosphorol. Determination of casein in medicinal foods. Compounds with heavy metals. Cargentos. Argonin. Mercury compounds. Iron compounds. Aluminium and bismuth compounds. Casein addition compounds. Iodo-casein. Caseinformaldehyde. Casein and tannic acid. Medicinal casein emulsions. Saccharated casein. Casein oint ment. Cargel. Arkase. References.
Warth
Classes of paints. Types of pigment. The vehicle. Driers. Thinners. Historical. Statistics. Distri bution of paint industry. Demand for water paints. Classification of water paints. Distempers. Calci mines. Washable paints. Water paint enamels. Art colors. Composition of cold water paints. Chalk whiting. Hydra ted lime. White pigments. Colored pigments. Type of binder. Quality of casein used. Specifications for casein. Insolubilizers. Proportion of lime to casein. Testing casein paints. Physical tests. U. S. Navy specifications. Physical character istics of casein paints. Commercial outside white. Casein zinc whites. Oleo-casein paints. Latex-casein paints. Specialty paints. Manufacturing methods. Packaging. References.
Kinds of casein used.
9.
C A S E I N I N FOODS—II. A. Schuette
Reconstituted or synthetic foods. Foods for chiLdren. Foods for diabetics. Infants' foods. Malted milk. Food Adulterants. Bakers' wares. Kgg substitutes. Oleornargine manufacture. Ice cream filler. Soup tablets. Miscellaneous uses. References. Bibliog raphy. 10.
M I S C E L L A N E O U S U S E S , STATISTICS, BIBLIOGRAPHY
11.
STORAGE OP C A S E I N — A l b i n II.
General. Photography. Insecticides.
Soaps. Leather.
Textiles.
Warth
X,ife of product. Warehouse conditions. Packing methods. Bin storage. Infestation—Molds, rrxoths, beetles. Biological tests and standards. Micro organism count. W a r t h incubation test. Changes during storage. Fumigation. 12. A N A L Y S I S AND TESTING O F C A S E I N — R .
Sutermeister
Necessity for testing. Cleanliness. Color. O d o r . Fineness. Solubility. Viscosity. Strength. M o i s ture. Ash. F a t . Sugar. "Acidity." Phosphiorus. Calcium. Nitrogen. Miscellaneous. Tables, Refer ences.
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