Notable are the clear depictions of relationships and the detailed descriptions of analytical (chemical, microbiological, soil science) methods. In all cases questions of safety in handling the required chemicals are considered. Labor Praxis The book can be recommended to all trainees and students. Scientists will also find invalable support for their daily work in this concise laboratory handbook. Fresenius" Zeitschrift f?r Analytische Chemie No comparable book on the market. ekz-Informationsdienst