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Author: F.E. Beamish
Publisher: Elsevier
ISBN: 0323155022
Category : Science
Languages : en
Pages : 344
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Book Description
Analysis of Noble Metals: Overview and Selected Methods describes simple techniques with useful sensitivity, accuracy, and precision for noble metal analysis. This book is composed of seven chapters that include the methods of atomic absorption, spectrochemical, spectrophotometric, gravimetric, volumetric, and potentiometric determinations of noble metals. Each chapter discusses the concept, principles, practice, and application of the specific analytical technique. A chapter examines several separation methods for noble metals, including cation exchange, mercury amalgam, reduction, silver assay beads, solvent extraction, and dissolution. This book will be of great value to analytical chemists, instrumental engineers, and researchers.
Author: F.E. Beamish
Publisher: Elsevier
ISBN: 0323155022
Category : Science
Languages : en
Pages : 344
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Book Description
Analysis of Noble Metals: Overview and Selected Methods describes simple techniques with useful sensitivity, accuracy, and precision for noble metal analysis. This book is composed of seven chapters that include the methods of atomic absorption, spectrochemical, spectrophotometric, gravimetric, volumetric, and potentiometric determinations of noble metals. Each chapter discusses the concept, principles, practice, and application of the specific analytical technique. A chapter examines several separation methods for noble metals, including cation exchange, mercury amalgam, reduction, silver assay beads, solvent extraction, and dissolution. This book will be of great value to analytical chemists, instrumental engineers, and researchers.
Author: F. E. Beamish
Publisher: Elsevier
ISBN: 1483225976
Category : Science
Languages : en
Pages : 624
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Book Description
Analytical Chemistry, Volume 24: The Analytical Chemistry of the Noble Metals describes the procedures for the separation, extraction, and analysis of noble metals. This book is composed of seven chapters, and begins with a survey on the influence of metallurgical factors on the susceptibility of platinum and gold metals to various corrosive agents. The succeeding chapter provides the methods of isolation of osmium and ruthenium from associated platinum metals and from base metals. A chapter examines the application of gravimetric methods for the separation of seven noble metals, including ruthenium, osmium, rhodium, iridium, palladium, platinum, and gold. Other chapters consider the procedures for volumetric, spectrophotometric, and spectrochemical analysis of noble metals. The concluding chapter describes the features and attributes of the equipment for noble metal analysis. This book is of value to analytical chemists and workers and researchers in metallurgy.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 7
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Book Description
Ongoing work is being carried out at Mintek to establish methods for the determination of trace levels of impurities in high-purity noble metals and their salts. The sample-preparation methods are outlined, and the optimum instrumental parameters that were established are tabulated. Spectral interferences arising from the presence of a matrix element at high concentration levels, including abundance sensitivity overlap and the formation of noble metal oxides, are discussed. Accuracy was established by the comparison of the results with those obtained by a DC-arc method, and by spike recovery tests. The precision of measurement was found to vary from 0.72 to 49% relative standard deviation for concentrations of between 15 and 0.5 ug/g, respectively.
Author: Paul Blumberg
Publisher:
ISBN:
Category : Precious metals
Languages : en
Pages : 144
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The platinum industry, from mining through to the final refining of the individual platinum-group metals (PGM) plus gold (the noble metals), places great demands upon the skills and ingenuity of the analytical chemist. Samples containing concentrations of the noble metals ranging from lower than parts per million through to 100 per cent must be treated, and analyses for the individual six PGM and gold are required frequently. The development of the inductively coupled plasma (ICP) as the source of excitation in optical emission spectroscopy (OES) has provided a very powerful tool for the analytical chemist. The ICP-OES technique is capable of covering a wide analytical range and, in addition, enables simultaneous multi-element analysis to be carried out. These attributes make the technique particularly attractive to the platinum industry, and suitable instrumentation has been installed in several laboratories attached to mines and refineries. For normal ICP-OES analysis, a solution is sprayed into the plasma and, therefore, solid samples have to be dissolved first. This paper describes work undertaken by Mintek on a preconcentration technique in which solids (ion-exchange resin) are sprayed directly into the plasma. The results obtained are encouraging, and further applications could be explored, e.g. the determination of low levels of the noble metals in effluents. Further work needs to be done so that iridium can be included in the analytical scheme and, since most ICP-OES systems sold all use argon low-power plasma, the feasibility of the spraying of solids into these systems needs to be examined if the technique is to find wide acceptance in industry. Another requirement for its industrial acceptance is the commercial availability of the Monivex resin.
Author: Robert R. Brooks
Publisher: CRC Press
ISBN: 9780849361647
Category : Science
Languages : en
Pages : 426
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Book Description
Noble Metals and Biological Systems examines the relationship between noble metals (gold, silver, and platinum group metals) and biological systems. The book is divided into three parts. Part 1 is concerned with the analytical chemistry of noble metals and includes a description of the latest methods of analysis. Part 2 describes such topics as ecology and environmental science of noble metals as they pertain to biogeochemical exploration, noble metals in hair, the environmental geochemistry of palladium, microorganisms and noble metals, animals and noble metals, and a general survey of noble metals in the environment. Coverage is comprehensive and includes information regarding the use of dogs and termites as field assistants in mineral prospecting, as well as the fascinating story of the "gold bug", a microorganism that plates itself with gold. Part 3 is devoted entirely to noble metals in the treatment of disease and includes chapters describing the use of osmium and gold for arthritis treatment, silver as a bactericide, and platinum and ruthenium as anticancer agents. Noble Metals and Biological Systems will provide fascinating reading for applied geochemists, environmentalists, public health specialists, ecologists, microbiologists, clinical biochemists, oncologists, and specialists in rheumatic diseases.
Author: Fred Earl Beamish
Publisher: Pergamon
ISBN:
Category : Science
Languages : en
Pages : 536
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Author: Basil Trewinnard Eddy
Publisher:
ISBN:
Category :
Languages : en
Pages : 232
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Book Description
![The Analytical Chemistry of the Noble Metals. [With Illustrations.]. PDF](https://books.google.com/books/content/images/frontcover/r_gRzwEACAAJ?fife=w80-h100)
Author: Fred Earl BEAMISH
Publisher:
ISBN:
Category : Precious metals
Languages : en
Pages : 609
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 22
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