Covering such topics as conventional chromatographic methods, accommodating clean up, and preparing substances for further instrumental analysis, this practical resource is the only available book showing how to choose the most effective techniques for assessing the toxicity of chemicals in both food and the environment. Containing references, tables, drawings, and photographs that reinforce the material discussed, this dependable guide is ideal for analytical, food, agricultural, and oil chemists; environmental scientists; toxicologists; biochemists; biologists; microbiologists; and upper-level undergraduate and graduate students in these disciplines.