| Title |
Product |
| Visibility depth, suspended matter and light conditions in abody of water |
P0923000 |
| Influence of the type of water body and water quality on thepopulation of a body of water |
P0923300 |
| Simplified, orienting determination of dissolved oxygen inwater |
P0923400 |
| Quantitative determination of dissolved oxygen in water(Winkler test) |
P0923500 |
| Electrometric determination of dissolved oxygen in water |
P0923600 |
| Oxygen content and temperature of a body of water in thecourse of a day |
P0923700 |
| Influence of the degradation of organic substances on theoxygen content of water |
P0923800 |
| Oxygen depletion and biochemical oxygen demand |
P0923900 |
| Acid binding capacity and carbonate hardness |
P0924000 |
| Free carbonic acid and lime content |
P0924100 |
| Phosphate content and eutrophication |
P0924200 |
| Determination and comparison of the ammonium/ammonia contentof various bodies of water |
P0924300 |
| Influence of the soil type and of pollutants that penetratethe soil on the decomposition of cellulose |
P0924500 |
| Influence of various environmental factors on the soil mic-roflora |
P0924600 |
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