Abstract
CONTENTS
I. Introduction 532
II. Methods of preparation 532
III. Solubility 537
IV. Magnetic properties 537
V. Electrical properties 540
VI. Absorption spectra 542
VII. Reactivity 542
VIII. Theory 544
CONTENTS
I. Introduction 532
II. Methods of preparation 532
III. Solubility 537
IV. Magnetic properties 537
V. Electrical properties 540
VI. Absorption spectra 542
VII. Reactivity 542
VIII. Theory 544