Book excerpt: Updated version of the Handbook of Process Stream Analysis (1973), with several new chapters and reorganization of others. Provides a practical, in-depth treatment of the chemistry and instrumentation involved with analyzer technology. Supplies complete data on design, installation, and maintenance of analytic instruments for a variety of on-line operations with the aim of effecting savings in production, product giveaway, operating manpower and energy conservation. Gives background and fundamentals.