Pierre Gy's Sampling for Analytical Purposes - Hardcover

Title: Sampling for Analytical Purposes

Hardcover

Author: Pierre Gy

Edition: Abridged, illustrated, reprint

Publisher: John Wiley & Sons, 1998

ISBN: 0471979562, 9780471979562

Length: 176 pages

"This text is strongly recommended to those who oversee orare involved in sample quality control in moving stream industrialsettings. This text will also find utility for studentsstudying sampling methods in advanced analytical chemistrycourses." (J. Am. Chem. Soc., 1999)

Sampling (the removal of a small amount of material from a larger volume to test it for a desired characteristic) is important to industry in order to monitor the progress of a reaction or the quality (purity) of a product. To ensure that the sample is representative of the larger volume, certain procedures need to be followed in removing the sample and statistical interpretation of the data. An example of sampling would be determining the purity of a train boxcar load of fine clay by several small samples representative of the bulk. Pierre Gy is one of the leading sampling experts in the world and Sampling for Analytical Purposes is an abridged version of his previous French works. The title is a simple guide to sampling method for practicing analysts who do not want to search through larger and more complex titles. This title responds to a shortage of books on large scale process chemistry.

CONTENTS

ACHIEVING ACCURACY - 15

Heterogeneity and Sampling - 23

Objects in Three Two One or Zero Dimensions - 39

Conclusions on the Qualitative Approach - 57

The Heterogeneity of a Population - 63

The Zerodimensional Model The Segregation - 75

ENSURING - 83

The One Dimensional Model - 101

OTHER APPLICATIONS - 115

Brief Résumé of Classical Statistics Non-weighted - 133

Three Branches of Statistics - 141

References - 147

Dr Gy, a pioneer in every sense of the word, has spent 50 years studying the best way to take a truly representative sample. His greatest achievement perhaps has been to introduce science into the black art of sampling. The now famous and widely used formula bearing his name means that sampling is no longer a lottery but an essential analytical tool. This very readable and practical book, written by Pierre Gy himself, is the first simple guide to Pierre Gy's method to be translated into English. Although Dr Gy's formula was originally developed for the sampling of solid material in mines, etc., the theoretical arguments are equally valid for the sampling of liquids and multi-phase media. This book is as interesting as a historical perspective as it is useful for the practising modern day analyst.