[Gutenberg 62923] • The Rare Earths · Their Occurrence, Chemistry, and Technology by Levy, Stanley Isaac -- Read -- Imperial Library of Trantor

Index

THE RARE EARTHS PREFACE CONTENTS TABLE OF ABBREVIATIONS EMPLOYED IN THE REFERENCES INTRODUCTION By Sir William Crookes, O.M., F.E.S. PART I OCCURRENCE OF THE RARE EARTHS

CHAPTER I THE NATURE OF THE MINERALS AND THEIR MODE OF OCCURRENCE

CHAPTER II THE SILICATES

(a) Silicates of the Yttrium and Cerium Metals (b) Silicates of Thorium and Zirconium (c) Complex Silicates

CHAPTER III THE TITANO-SILICATES AND TITANATES

(a) The Titano-Silicates (b) The Titanates

CHAPTER IV THE TANTALO-COLUMBATES

CHAPTER V THE OXIDES AND CARBONATES

(a) The Oxides (b) The Carbonates

CHAPTER VI THE PHOSPHATES AND HALIDES

(a) The Phosphates (b) The Halides

CHAPTER VII THE MONAZITE SANDS

The North American Deposits[119] The Brazilian Deposits

CHAPTER VIII RADIOACTIVITY OF THE MINERALS

PART II THE CHEMISTRY OF THE ELEMENTS

CHAPTER IX GENERAL PROPERTIES OF THE CERIUM AND YTTRIUM GROUPS

CHAPTER X GENERAL METHODS OF SEPARATION

Extraction of the Rare Earths from Minerals The Spectrum Examination The Equivalent Weight Determination

CHAPTER XI THE CERIUM GROUP—CERIUM

Cerium, Ce = 140·25

CHAPTER XII CERIUM GROUP (continued)

Lanthanum, Praseodymium, Neodymium, and Samarium Separation Lanthanum, La = 139·0 Praseodymium, Pr = 140·6 Neodymium, Nd = 144·3. Samarium, Sa = 150·4

CHAPTER XIII THE TERBIUM GROUP

Separation Europium, Eu = 152·0 Gadolinium, Gd = 157·3. Terbium, Tb = 159·2

CHAPTER XIV THE ERBIUM AND YTTERBIUM GROUPS—YTTRIUM AND SCANDIUM

Separation The Erbium Group

CHAPTER XV THE GROUP IVA ELEMENTS—TITANIUM

Titanium, Ti = 48·1

CHAPTER XVI THE GROUP IVA ELEMENTS (continued)—ZIRCONIUM AND THORIUM

Zirconium, Zr = 90·6 Thorium, Th = 232·4

PART III THE TECHNOLOGY OF THE ELEMENTS

Washing. Impregnation. The Mantle Head. Burning off and Shaping. Collodinisation.

CHAPTER XX ARTIFICIAL SILK—ITS PRODUCTION AND USE IN THE MANTLE INDUSTRY

Chardonnet Process. The Pauly or Cuprammonium Process. The Viscose Process. The Acetate Process. The Manufacture of Mantles from Artificial Silk. Impregnation. ‘Fixing.’ The Final Stages.

The Cerium Group Other Alloys. Industrial Applications of Zirconium The Technical Uses of Zirconia.

CHAPTER XXII THE INDUSTRIAL APPLICATIONS OF TITANIUM AND ITS COMPOUNDS

Employment of the Element in Metallurgy. Application to Arc-lamp Electrodes. Titanium Compounds in Dyeing and Colouring. Other Uses of Titanium Compounds. Estimation of the Element.

INDEX Transcriber’s Notes