《MOLYBDENUM COMPOUNDS--THEIR CHEMISTRY AND TECHNOLOGY》

1.Introduction1

2.Sources of Molybdenum Compounds5

3.Properties of Molybdenum13

Atomic number13

Atomic weight13

Melting point13

Boiling point13

Vapor pressure13

Specific heat13

Atomic heat capacity13

Thermal conductivity13

Coefficient of linear expansion14

Density14

Young’s modulus of elasticity14

Hardness at room temperature14

Hardness at elevated temperature14

Tensile properties14

Electrical resistivity14

Isotopes15

Radioactive isotopes produced by artificial means15

Electron structure15

Atomic radius16

Ion radius16

Atomic volume16

Volume occupied by one atom16

Electron volume16

Crystal structure16

Electrochemical passivation16

Electrode potentials16

Oxidation-reduction potentials17

Molybdenum amalgam17

Pyrophoric molybdenum17

Molybdenum and nitrogen17

Molybdenum and carbon17

Molybdenum mirrors and films19

Glass-molybdenum seals19

Etching agents20

Surface brightening21

Thermodynamics of molybdenum reactions21

4.Oxides of Molybdenum31

Molybdenum trioxide31

Physical properties32

Melting point32

Boiling point32

Vapor pressure32

Crystal form33

Density34

Coefficient of expansion34

Specific heat34

Heat of formation35

Optical properties35

Luminescence35

Emission spectrum35

Absorption spectrum35

Magnetic properties35

Electrical properties35

Solubility35

Chemical properties37

Acids39

Alkalies39

Molybdenum-organic complexes39

Other reactions39

Molybdenum dioxide39

Physical properties41

Density41

Electrical conductivity41

Chemical properties41

Molybdenum sesquioxide41

Molybdenum blue42

Hydroxides of molybdenum45

Molybdenyl compounds46

5.Sulfides of Molybdenum51

Molybdenum trisulfide51

Molybdenum sesquisulfide53

Molybdenum pentasulfide54

Molybdenum disulfide54

Selenides and tellurides55

6.Halides of Molybdenum57

Fluorine and molybdenum58

Molybdenum and chlorine60

Molybdenum carbonyl61

Chlorides of lower valence63

Molybdenum bromides and iodides65

7.Molybdenum in Anions67

Preparation of molybdates82

Dry reaction82

Aqueous reaction83

Precipitation reactions83

The peroxymolybdates83

8.Complex Anions of Molybdenum87

Phospho-12-molybdic acid88

Phospho-18-molybdic acid88

Silicomolybdic acid90

Molybdic-oxalic acid91

Molybdenum of lower valences in anions92

9.The Structural Chemistry of Molybdenum,by LINUS PAULING95

The compounds of quadripositive molybdenum95

Hybrid bond orbitals in molybdenum97

Compounds of sexipositive molybdenum98

Compounds of quinquepositive molybdenum101

Compounds of bipositive molybdenum101

Zero valent molybdenum103

The structure of MoC and MoN104

The structure of molybdenum silicide105

The structure of ferromolybdenum106

Sigma phase molybdenum alloys108

10.Molybdenum in Life Processes111

11.Analytical Procedures121

Volumetric determination122

Electroanalysis123

Climax Molybdenum Company methods of analysis123

Molybdenite concentrate123

Molybdenum products—sampling127

Molybdic oxide, technical128

Calcium molybdate130

Molybdic oxide briquets131

Ferromolybdenum (55 to 65% Mo)131

Molybdenum silicide139

Pure molybdenum trioxide145

Ammonium molybdate146

Purified molybdenum sulfide148

Sodium molybdate149

Nickel molybdenum150

The determination of molybdenum in iron and steel152

Colorimetrie determination of molybdenum154

Variations of the method employed in commercial practice157

Precipitation of molybdenum with alpha benzoin oxime158

12.Molybdenum in Colors163

Molybdenum orange163

Theory of formation of molybdenum orange166

A typical procedure for molybdenum orange169

Molybdenum in dyeing furs, feathers, hair and skins171

Molybdenum and combination molybdenum-tungsten lakes172

pH173

Acids used in lowering the pH174

Temperature174

Heating174

13.Miscellaneous Applications of Molybdenum Compounds177

Molybdenum in ceramics177

Molybdenum in reagents181

Molybdic acid,85%183

Molybdic acid,anhydride184

Ammonium paramolybdate185

Phosphomolybclic acid187

Molybdophosphotungstate test solution (Folin-Denis reagent)188

Molybdenum in electroplating192

Molybdenum tannage192

Photosensitivity of molybdenum compounds193

Patents on photo uses of molybdenum194

Molybdenum disulfide lubricant105

Patents on molybdenite lubricants197

Molybdenum disulfide radio detector198

Molybdate-tungstate corrosion inhibitors198

14.Molybdenum Catalysts201

Index to catalyst bibliography204

Patent survey250

Literature survey360

Subject Index399