The enzymatic hydrolysis of urea in aqueous solutions liberates
carbon dioxide and ammonia. The ions of these compounds increase
the conducitivity of the solution.
| Materiallist (Excerpt) |
Product |
Amount |
|
Cobra3 BASIC-UNIT, USB
|
12150-50
|
1
|
|
Measuring module Conductivity
|
12108-00
|
1
|
|
Conductivity probe K1
|
18151-02
|
1
|
|
Urease soln.in 50% glycerol,10ml
|
31924-03
|
1
|
|
Magnetic stirrer Mini / MST
|
47334-93
|
1
|
|
Cobra3, sensor -20..110 C
|
12120-00
|
1
|
|
Micro-l syringe, 100 micro-l
|
02606-00
|
1
|
|
Silver nitrate, cryst. 15 g
|
30222-00
|
1
|
|
Power supply 12V / 2A
|
12151-99
|
1
|
|
Support base variable
|
02001-00
|
1
|
|
Software Cobra3 Conductivity
|
14508-61
|
1
|
|
Water, distilled 5 l
|
31246-81
|
1
|
|
Urea, 250 g
|
30086-25
|
1
|
|
Separator f.magnetic bars
|
35680-03
|
1
|
|
Pipettor
|
36592-00
|
1
|
|
Universal clamp
|
37718-00
|
1
|
|
Boss head
|
02043-00
|
1
|
|
Pasteur pipettes, 250 pcs
|
36590-00
|
1
|
|
Support rod, stainless steel, 500 mm
|
02032-00
|
1
|
|
Rubber caps, 10 pcs
|
39275-03
|
1
|
|
Glass beaker DURAN®, tall, 100 ml
|
36002-00
|
8
|
|
Volumetric pipette, 20 ml
|
36579-00
|
1
|
|
Microspoon, steel
|
33393-00
|
1
|
|
Magnetic stirring bar 30 mm, cylindrical
|
46299-02
|
1
|
|
Wash bottle, plastic, 500 ml
|
33931-00
|
1
|
|
Volumetric pipette, 1 ml
|
36575-00
|
1
|
|
Beaker, 250 ml, low form, plastic
|
36013-01
|
1
|
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