Abstract
CONTENTS
I. Introduction 177
II. Physical properties 177
III. Chemical properties 178
IV. Biological properties 180
V. Methods of preparation 180
VI. Some matters concerning the industrial preparation 184
VII. Fields of use 185
CONTENTS
I. Introduction 177
II. Physical properties 177
III. Chemical properties 178
IV. Biological properties 180
V. Methods of preparation 180
VI. Some matters concerning the industrial preparation 184
VII. Fields of use 185