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- Function and Applications:
Eco-Kit "Biological testing of water quality". The physical, chemical, and bacteriological examination procedures primarily allow an assessment of the momentary water quality. As the variety of species in a body of water decreases with increasing pollution, and thus the composition of the organism societies changes, the biological determination of the water quality provides additional important indications on the water quality and allows conclusions to be drawn on the previous pollution. The species and frequency of indicator organisms at various degrees of pollution are thereby coupled to the water quality classes I to IV.
- Benefits:
This kit enables 6 working groups to simultaneously carry out examinations of running and standing waters in the field.
6 work groups can work at the same time.
The enclosed manual containing tables and sheets for analysis allow assignment to the water quality classes I. .. IV
- Scope of delivery:
Handbuch Schülerversuche Biologische Gewässergütebestimmung, TESS advanced Biologie, (in german) 30834-01, 1
Sieve, narrow mesh, 65854-00, 6
Fishing net f.aquatic insects 64576-30, 1
Dish, plastic, 150x150x65 mm 33928-00, 6
Tweezers,curved,pointed, 100 mm 64608-00, 6
Brush, fine 64702-00, 4
Painters brush, hard 40979-00, 2
Nature viewer 5x, lens d=22 mm 64599-00, 6
Nature viewer 3x, lens d=50 mm 64600-00, 6
Snap-cap vials,d=24mm,h=52mm,10p. 33621-03, 1
Snap-cap vials,d=30mm,h=100mm,10p 33623-03, 1
Petri dishes, plast.,d= 94mm, 6 pieces 64709-04, 1
Ruler, plastic, 200 mm 09937-01, 2
Dropping pipette with bulb, 10pcs 47131-01, 1
Vernier calliper, plastic 03011-00, 1
