Analysis of Noble Metals - 1st Edition - ISBN: 9780120839506, 9780323155021

Analysis of Noble Metals

1st Edition

Overview and Selected Methods

Editors: F.E. Beamish
eBook ISBN: 9780323155021
Imprint: Academic Press
Published Date: 28th December 1977
Page Count: 344
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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.

Table of Contents


Preface

Acknowledgments

Part I

Chapter 1 Atomic Absorption

Introduction

Gold

Platinum

Rhodium

Iridium

Osmium

Multielements

Chapter 2 Spectrochemical Analysis of the Platinum Metals

Introduction

The Development of Combined Fire Assay and Spectrochemical Methods

The Development of the Richvale Method

The Determination of Trace Impurities in the Refined Platinum Metals

Recommended Methods

The Determination of Higher Concentrations of Platinum Metals

Qualitative Spectrochemical Analysis

Chapter 3 Spectrophotometry

Introduction

Gold

Palladium

Platinum

Platinum and Palladium

Platinum

Rhodium

Iridium

Ruthenium

Osmium

Chapter 4 Gravimetric Determinations

Introduction

Gold

Palladium

Platinum

Rhodium

Iridium

Ruthenium

Osmium

Chapter 5 Volumetric Determinations

Introduction

Gold

Palladium

Platinum

Iridium

Osmium

Chapter 6 Fire Assay

Introduction

Preparation of Samples

Fluxes

Fusion Temperatures

Lead Buttons

Scorification

Cupellation

Assay of Concentrates Relatively Free from Base Metal Sulfide

Procedure for Nitre Assay

Procedure for Assaying Roasted Sulfide Ores

Iron—Copper—Nickel Collection

The Fire Assay for Platinum Metals Using Nickel Sulfide as a Collector

The Determination of Osmium in a Nickel Sulfide Button

Tin as a Collector

The Determination of Osmium and Ruthenium in Siderite Meteorites (and in Iron—Copper—Nickel Assay Buttons)

Part II

Chapter 7 Methods of Separation

The Determination of Gold in Cyanide Solutions

The Mercury Amalgam Methods

Cation Exchange Separation of Gold Ores

The Separation of Rhodium from Iridium

Reduction by Copper

The Separation of Rhodium and Iridium by Solvent Extraction

The Determination of Iridium in the Presence of Platinum

The Determination of Osmium and Ruthenium in Lead Alloys

The Gravimetric Determination of the Six Platinum Metals

The Cation Exchange Separation of Platinum Metals from Large Proportions of Base Metals

Wet Separation and Determination of Platinum, Palladium, Rhodium, and Gold in Ores and Concentrates

The Determination of Noble Metals in Silver Assay Beads

The Solvent Extraction of Gold, Palladium, Platinum, and Silver by Dithizone

The Wet Determination of the Six Platinum Metals in High Concentrations

Chromatographic Methods

The Determination of Osmium, Ruthenium, Palladium, Platinum, Rhodium, and Iridium

The Dissolution of Platinum and Other Noble Metals by Pressure Technique

Precipitation of Platinum by Zinc

The Use of Sodium Nitrite as a Separatory Reagent for Gold and Base Metals from Solutions of Platinum Metals

Cupellation of the Lead Assay Button and Parting the Silver Bead

References

Index

Details

No. of pages:
344
Language:
English
Copyright:
© Academic Press 1977
Published:
Imprint:
Academic Press
eBook ISBN:
9780323155021

About the Editor

F.E. Beamish