Tuesday, 9 July 2013

'Biochemical Oxygen Demand' (BOD) Experiment is a SUCCESS!


- On the 6th day after we conducted the experiment, FINALLY, one of the water sample shows the result.  YAYYY!

Water sample of Sungai Rait turns from blue to colourless
- This means, Sungai Rait has the most polluted water among other rivers.


The top view of Sungai Rait's water sample

- As of other water samples, there have no sign of change in colours.



Here, take a look.

Distilled Water

Sungai Lutong

Sungai Baong

Sungai Lusut

Sungai Bakam
- All water samples are still in the colour of Methylene Blue solution (Blue)






So, stay tuned for our next post & the results of the other water samples too! 

1 comment:

  1. well done! keep on observing for rest to discolourised

    ReplyDelete