Chemical Properties and Analysis of Refractory Compounds / Khimicheskie Svoistva I Metody Analiza Tugoplavkikh Soedinenii / Химические Свойства И Методы Анализа Тугоплавких Соединений

This collection sets out the results of various investigations into the chemical properties of refractory compounds and refractory-base alloys used in various fields of modern technology, together with original methods of analysis. The book is intended for analytical chemists, engineers, workers in scientific-research establishments and industrial laboratories, graduates, and students of the senior courses in chemical and metallurgical higher-education institutions. v CONTENTS Interaction of the Carbides of Group IV and V Transition Metals with Various Acids E. E. Kotlyar and T. N. Nazarchuk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Method of Quantitative X-ray Analysis for Determining the Amount of Free Carbon in Boron Carbide M. I. Sokhor and G. V. Sofronov . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Method of Separating and Determining the Free Carbon in Materials Containing Refractory Compounds L. A. Mashkovich and A. F. Kuteinikov . . . . . . . . . . . . . . . . . . . . . . . . . . . " 14 Stability of Boron-Carbon Compounds in Oxygen at High Temperatures L. E. Pechentkovskaya and T. N. Nazarchuk . . . . . . . . . . . . . . . . . . . . 20 Certain Chemical Properties of Boron Carbonitride L. E. Pechentkovskaya and T. N. Nazarchuk . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Oxidation of Boron, Gallium, and Indium Phosphides in Air L. L. Vereikina . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 High-Temperature Oxidation Resistance of Refractory Silicon Nitride-Silicon Carbide Materials I. N. Godovannaya and O. I. Popova . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " 33 Production and Chemical Stability of the Hydrides of Group IV and V Transition Metals M. M. Antonova . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Chemical Analysis of the Reaction Products of Boron with Arsenic and Phosphorus A. A. Reshchikova and Z. S. Medvedeva . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Complexonometric Analysis of Molybdenum Alloys L. N. Kugai, O. F. Galadzhii, and V. I Front Matter....Pages i-viii Interaction of the Carbides of Group IV and V Transition Metals with Various Acids....Pages 1-5 Method of Quantitative X-Ray Analysis for Determining the Amount of Free Carbon in Boron Carbide....Pages 6-13 Method of Separating and Determining the Free Carbon in Materials Containing Refractory Compounds....Pages 14-19 Stability of Boron—Carbon Compounds in Oxygen at High Temperatures....Pages 20-24 Certain Chemical Properties of Boron Carbonitride....Pages 25-28 Oxidation of Boron, Gallium, and Indium Phosphides in Air....Pages 29-32 High-Temperature Oxidation Resistance of Refractory Silicon Nitride—Silicon Carbide Materials....Pages 33-35 Production and Chemical Stability of the Hydrides of Group IV and V Transition Metals....Pages 36-41 Chemical Analysis of the Reaction Products of Boron with Arsenic and Phosphorus....Pages 42-47 Complexonometric Analysis of Molybdenum Alloys....Pages 48-53 Analysis of Titanium, Zirconium, Hafnium, and Tantalum Germanides....Pages 54-56 Some Data Relating to the Chemical Properties of Germanides....Pages 57-60 Analysis of the Selenides of the Rare-Earth Elements....Pages 61-63 Complexonometric Analysis of Alloys of the Rare-Earth Oxides with the Oxides of Group II Elements and Chromium....Pages 64-67 Separation of Alloyed Chromium Carbides of the Cr 2 C (Metastable) and Cr 23 C 6 or Cr 7 C 3 Types Isolated from Steels and Alloys....Pages 68-71 Chemical and Electrochemical Methods of Separating the Carbides MeC and the Carbonitrides Me(C,N) of Group IV and V Metals....Pages 72-76 Electrolytic Isolation of the σ Phase from Heat-Resistant Steels and the Determination of its Composition....Pages 77-80 Interaction of Refractory Group V Metals with Zinc....Pages 81-85 Determination of Tungsten in Binary Tungsten—Molybdenum Alloys....Pages 86-90 Determination of Molybdenum in the Presence of Tungsten....Pages 91-93 Photometric Determination of Boron in Nickel and Titanium Borides Using Magnezone I in an Alkaline Medium....Pages 94-99 Spectrophotometric Study of the Formation of Compounds Between Niobium and the Reagent PAN....Pages 100-102 Determination of Arsenic in High-Purity Molybdenum....Pages 103-105 Chemical Phase Analysis of Mixtures of Borides, Carbides, and Borocarbides....Pages 106-113 Interaction of Borides with Carbon and Carbides....Pages 114-118 Chemical Properties and Analysis of Certain Transition Metal Sulfides....Pages 119-122 Analysis of the Silicides of Group IV to VI Transition Elements....Pages 123-127