Photosynthesis (bubble-counting-method) (with the Cobra3 Basic-Unit)

 Product No: P4110111

Principle

Photosynthesis (bubble counting method)

Tasks

  1. To measure the dependence of photosynthesis on light by counting the oxygen bubbles given off by an aquatic plant.
  2. To investigate the influence of the carbon dioxide content of the water on the rate of photosynthesis.

What you can learn about

  • Dependence of photosynthesis on light and carbon dioxide content
  • Oxygen bubble counting
  • Lux measurement



Materiallist (Excerpt) Product Amount
Cobra3 BASIC-UNIT, USB 12150-50 1
Ceramic lamp socket E27 with reflector, switch, safety plug 06751-01 1
Lab jack, 160 x 130 mm 02074-00 1
Power supply 12V / 2A 12151-99 1
Photo diode, G1 39119-01 1
Support base variable 02001-00 2
Software Cobra3, Lux 14507-61 1
Holder for two electrodes 45284-01 1
Filament lamp,220V/120W,w.refl. 06759-93 1
Glass beaker DURAN®, tall, 1000 ml 36008-00 1
Connecting cord, 32 A, 500 mm, red 07361-01 1
Connecting cord, 32 A, 500 mm, blue 07361-04 1
Glass beaker DURAN®, tall, 250 ml 36004-00 1
Rubber tubing, i.d. 6 mm 39282-00 1

Literature for this article als follows

Title Product Language
TESS expert Handbook Laboratory Experiments Biology 16506-02 ENG

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Product No: P4110111

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