January
INDUSTRIAL
20, 1923
AND ENGINEERING
CHEMISTRY
American Chemical Societv
MONOGRAPHS
G L U EandG E L A T I N About 196 Papes 6x9 size, stiff covers, bound in dark blue cloth, tamped in cold.
PRICE
BY JEROME ALEXANDER A u t h o r of "Colloid
Chemistry,
an
Introduction"
SX. 00
No. 11 in the series READY About Feb'y 20th B R I E F TABLE O F C O N T E N T S C H A P . !..
Introduction.
Definitions.—Philology.—Historical.—Glue a n d gelatin industry in t h e United States.—Statistics of glue and gelatine industry in various countries. C H A P . 2. Position of Gelatin a m o n g t h e Proteins, a n d t h e N a t u r e of t h e Force Binding together its Constituents. Classification of proteins.—Albuminoids.—Conjugated proteins.—Derived proteins.—Molecular structure. C H A P . 3 . Chemistry, Physical Chemistry a n d Colloidal Chemistry of Gelatin a n d Glue. Molecular structure.—Absorption of water.—Influence of electrolytes.—Swelling or hydration.— Molecular weight.—Osmotic phenomena. C H A P . 4. Chemistry, Physical Chemistry a n d Colloidal Chemistry of Gelatin a n d Glue. Is gelatin a distinct chemical e n t i t y ?—The significance of hydrogen ion concentration.—The D o n n a n equilibrium; C H A P . 5. T h e S t r u c t u r e of Gelatin Solutions a n d Gelatin Jellies. C H A P . 6 T h e Influence of Various Factors on t h e Swelling of Gelatin. R a t i o of free surface area t o volume.—Hydrogen ion concentration.—Temperature.—Elastic modulus.— Ratio of mass of gelatin t o mass of dissolved electrocute.—Previous history of gelatin. C H A P . 7 T h e Viscosity of Glue a n d Gelatin Solutions. Viscosity formulae.—Zone of maximum viscosity.— Relation of viscosity a n d other physical characteristics. —Relation of added substances t o viscosity.—Relation of water content t o viscosity.
CHAP. 8. Collagen or Ossein. Occurrence of collagen in animal structures.—Chemistry of collagen.—Chondrigen, chondrin a n d mucin. CHAP. 9. T h e Eiiect of Tanning Substances on Glue, and Gelatin. T h e o r y of tanning or gelatin precipitation.—Tanning a g e n t s for gratin.—Effect of addition agents on precipitation of gelatin. C H A P . 10. Chemical Examination of Glue and Gelatin HTydrogen ion determination.—Total acidity by titration.—Ash.—Nitrogen determination.—Reactions of gelatin.—Detection of glue a n d gelatin in various cliemical products. CHAP 11. Technology of Glue a n d Gelatin. S t o c k or raw material and its t r e a t m e n t prior t o boiling.—"Boiling" or cooking, t h a t is preparing a solution of glue o r gelatin from t h e treated stock b y t h e auction of hot water.—Clarifying, bleaching, filtering, evaporating or otherwise treating t h e dilute glue liquor.—Chilling t h e glue liquor t o a jelly.—Cutting, s p r e a d i n g and drying t h e jelly.—Packing, breaking o r grinding the dried glue.—Testing, grading, a n d selecti n g o r blending t h e finished product. CHAP*. 12. The Testing and Grading of Glue and Gelatin. G e l a t i n strength.—Viscosity or Running Test.—Hygrométrie test.—Setting point.—Strength test.— l a b o r a t o r y test series.—Standard glues.—Smith's IPolariscopic method.—Moisture. CHAE». 13. Uses of Glue and Gelatin. -Adhesives.—Cements.—Sizing a n d stiffening.—Composition.—Colloidal applications.—Gelatin a s a food. CHAIP. 14. Fish Glue and Fish Isinglass. Origin.—^-Properties of fish glue.—Varieties of isinglass. — P r o p e r t i e s of isinglass.—Uses of isinglass.
The C H E M I C A L C A T A L O G C O M P A N Y , Inc. 19 EAST 24th ST., NEW YORK, U. S. A.
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