The analysis of solid materials by introducing solid test sampies directly into the graphite furnace of an atomic absorption spectrometer must be regarded as a powerful analytical approach. Even if it is - of course - not the "ultimate method". After three decades of development, the instrumentation and the methodology are available to apply solid sampling successfully for the analysis of almost every material. Moreover, several tasks cannot be solved using other analytical methods as neatly as they can using direct solid sampling. The conventional methods work more or less satisfactorily, so why do we sug gest applying solid sampling much more extensively than it is today? To begin with, the features pointed out time and again should be named: Rapidity of the analytical procedure, low susceptibility to analyte loss or contamination, very smallquantities can be analyzed, and expenditure on instrumentation and per sonell is also low. These properties are examined and the necessary conditions are discussed (Chapter 1) as are the analytical tasks (Chapter 6) for which use of this method is advantageous. Other features that are often overlooked are just as important: The simplicity of the analytical procedures allows the analyst to main tain an intimate relationship with the original scientific task that has to be solved with the analysis. Furthermore, the considerable reduction of working place haz ards and pollution by avoiding the use of chemical reagents must nowadays be assessed as a feature as important as the others.

The ideas of Pierre Gy presented in lay terms, allowing concepts and principles to be easily grasped and applied.

Addressing key issues in the instrumentation of powder handling processes, this up-to-date volumeserves as an excellent source of new ideas for designing on-line instruments, as well as a helpfulguide for understanding and applying measurement principles.Describing physical and chemical principles in clear, simple language, Powder and BulkSolids Handling Processes provides substantial background material that lists related industrialfields and the physical representation of powder properties . . . focuses on instrumentation,reviewing state variables in powder processes . . . discusses the sampling of particles from apowder bed or suspension flow as a basic method for evaluating powder handling processes ... andpresents incisive information on various methods and instruments used for on-line measurement ofpowder flow rate, particle concentration in suspension, level of powder in storage vessels, andmore.Complete with references, equations, illustrations, and tables, this volume is essential reading forchemical, mechanical, systems, ceramic, and civil engineers, instrumentation engineers in powderand bulk solid processes, and upper-level undergraduate and graduate students in chemical andmechanical engineering.

The 7th Edition of Gary Christian's Analytical Chemistry focuses on more in-depth coverage and information about Quantitative Analysis (aka Analytical Chemistry) and related fields. The content builds upon previous editions with more enhanced content that deals with principles and techniques of quantitative analysis with more examples of analytical techniques drawn from areas such as clinical chemistry, life sciences, air and water pollution, and industrial analyses.