The origin of acid rain, complete set (interface version Cobra3 Chem-Unit)

 Product No: P1370340

Principle

In this experiment, acid rain is to be artificially prepared by passing gases such as SO2, NO2 and Co2 through water.

Tasks:

  1. Drop in pH resulting from the formation of acid then recorded

What you can learn about:

  • Acid rain
  • Anthropogenic air pollution
  • Damage to forests
  • Acidification of soil and water
  • Gaseous and aerosol emissions



Materiallist (Excerpt) Product Amount
Cobra3 Chem-Unit, USB 12153-50 1
Software Cobra3 Chem-Unit 14520-61 1
pH-electrode, plastic, refill., BNC 46266-15 1
Retort stand, h 750 mm 37694-00 1
Power supply 12V / 2A 12151-99 1
Separatory funnel, 50 ml cylind. 36869-00 1
Pasteur pipettes, 1ml, PE, 500pcs 36615-00 1
Hydrochloric acid, 1.0 mol/l, 1000 ml 48454-70 1
Water, distilled 5 l 31246-81 1
Sodium nitrite 250 g 30161-25 1
Protection sleeve for electrode with a diameter of 12 mm 37651-15 1
Buffer solution, pH 4.01, 1000 ml 46270-12 1
Buffer solution, pH 10.01,1000 ml 46272-12 1
Sodium carbonate, anhyd. 250 g 30154-25 1
Sodium pyrosulphite 250 g 30152-25 1
Glycerol 99% 100 ml 30084-10 1
Data cable, plug/ socket, 9 pole 14602-00 1
Test tube,180x20 mm,side arm,PN19 36330-00 3
Test tube rack for 12 tubes, holes d= 22 mm, wood 37686-10 1
Universal clamp 37715-00 2
Right angle clamp 37697-00 2
Glass beaker DURAN®, tall, 50 ml 36001-00 2
Spoon, special steel 33398-00 1
Wash bottle, plastic, 500 ml 33931-00 1
Graduated pipette, 5 ml 36599-00 1
Dropping bottle,plastic,50ml 33920-00 1
Rubber stopper, d = 22/17 mm, 1 hole 39255-01 1
Rubber stopper, d=22/17 mm, without hole 39255-00 2

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Product No: P1370340

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