On the Swelling of Gelatin in Hydrochloric Acid and Caustic Soda.

CONTENTS PAGE I. Introductory 147 II. Materials and methods ..148 III. The swelling of gelatin in water, hydrochloric acid and caustic soda . .148 IV. The state of gelatin dissolved by acid or alkali in the cold 153 V. The basic and acidic properties of gelatin . .155 VI. The behaviour of swollen gels in an atmosphere of saturated water vapour . .156 VII. Theory of gel structure deduced from a study of gelatin swelling 162 VIII. Appendix. On the molecular weight of gelatin 166 IX. Summary .. .168 X. Bibliography 1.. .69