Measure of abiotic factors of the aquarium
Nitrogen compounds
Nitrogen compounds
We measured the concentration of the following nitrogen compounds in the aquarium water:
Nitrate, Nitrite and Ammonium
Nitrate, Nitrite and Ammonium
Nitrate
Material:
Water of the aquarium, measure equipment for measuring the concentration of nitrate which is made up of a test-tube (1,5cm calibre and 5cm high), control strips and a colour scale to compare
Experiment set-up:
We filled into the test-tube around 0,5ml of the aquarium water. Next we put a control strip into the test-tube for some seconds, took it out and waited for 1 minute. Then you could compare the colour which appeared on the strip with the colours of the colour scale.
Result:
Our control strip showed nothing. That means that there wasn’t a reaction, there wasn’t a colour to compare.
Comment:
After watching the package of the measure equipment closely, we’ve noticed that the use-by date of that product was already proceed.
Nitrite:
Material:
Water of the aquarium, measure equipment for measuring the concentration of nitrite which is made up of a test-tube (1,5cm calibre and 5cm high), control strips and a colour scale to compare
Experiment set-up:
Look at the experiment set-up of nitrate!
Result:
The colour that appeared was white. That means the concentration of nitrite was 0mg/l.
Ammonium:
Material:
Water of the aquarium, measure equipment for measuring the concentration of ammonium which is made up of a test-tube (1,5cm calibre and 5cm high), control strips and a colour scale to compare.
Experiment set-up:
Look at the experiment set-up of nitrate!
Result:
The colour that appeared was white. That means the concentration of ammonium was 0mg/l.
Material:
Water of the aquarium, measure equipment for measuring the concentration of nitrate which is made up of a test-tube (1,5cm calibre and 5cm high), control strips and a colour scale to compare
Experiment set-up:
We filled into the test-tube around 0,5ml of the aquarium water. Next we put a control strip into the test-tube for some seconds, took it out and waited for 1 minute. Then you could compare the colour which appeared on the strip with the colours of the colour scale.
Result:
Our control strip showed nothing. That means that there wasn’t a reaction, there wasn’t a colour to compare.
Comment:
After watching the package of the measure equipment closely, we’ve noticed that the use-by date of that product was already proceed.
Nitrite:
Material:
Water of the aquarium, measure equipment for measuring the concentration of nitrite which is made up of a test-tube (1,5cm calibre and 5cm high), control strips and a colour scale to compare
Experiment set-up:
Look at the experiment set-up of nitrate!
Result:
The colour that appeared was white. That means the concentration of nitrite was 0mg/l.
Ammonium:
Material:
Water of the aquarium, measure equipment for measuring the concentration of ammonium which is made up of a test-tube (1,5cm calibre and 5cm high), control strips and a colour scale to compare.
Experiment set-up:
Look at the experiment set-up of nitrate!
Result:
The colour that appeared was white. That means the concentration of ammonium was 0mg/l.
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