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This book is one in a series of five written primarily
for biologists and biochemists on topics ranging from DNA
sequencing to animal cell culture and technology. A reader
who has had the general chemistry sequence can
understand most of the theory presented in this book; a reader
who has had analytical chemistry has probably been exposed to all of it.
Still, the authors present the material as if the intended
audience has never had any solution chemistry theory, or has
forgotten it, and is intimidated by algebra.
The authors start by discussing the concept of a
buffer, then move into acid/base and buffer action theory. Next,
they discuss pH measurements - replete with a technical
discussion about pH meters - and discuss basic care and
conditioning of pH electrodes. They finish the book by
discussing preparation of buffers, taking into account pH, ionic
strength, metabolic activity, and so forth.
The book is easy to read, with wide margins for
personal notes and side notes that enhance the discussion in
the text. Calculations are presented in a step-by-step fashion
(my freshman chemistry students could take a lesson
here!); thought processes and directions are found in lists or
flow charts. An appendix lists several reagents that are used as
common buffers - not providing recipes for preparation, but
giving important facts such as the
pKa and toxicity. A second
appendix listing standards for pH calibration seems
unnecessary, given the availability of prepared buffer solutions
on the market. The glossary seems weak; it lists the
definitions of pKa and pD (the latter hardly discussed in the text),
while leaving out the definition of pH! The authors' use of the
term "hydroxyl ion" frequently and interchangeably with
"hydroxide ion" is annoying to me.
One chapter is devoted to self-written automated
buffer calculation programs available in DOS, Macintosh, and
Windows formats and via the WWW. I checked out the
WWW site. At first, I had problems accessing their calculation
page, but an email to Beynon was quickly returned, solving
the problem. The site is easy to use, and the program will
give error messages if conditions are not suitable for buffer
preparation. The buffers chosen matched those listed in the
appendix, but Beynon assured me that ten minutes' worth
of work in Javascript would allow addition of other buffers
more suited to inorganic chemists.
The book is more beneficial to biologists than to
chemists. However, the topics that are discussed are useful to
all solution chemists, providing clearly presented material
for quick learning. The WWW site is best used after reading
the text (after all, why use a calculator as a black box?).
Overall, the book presents "The Basics" and is worth adding to
any solution chemist's library.
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