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Investigating the oral glucose tolearnce test
Essay specific features
Written by:
Christopher C
Date added:
May 18, 2017
Level:
University
Grade:
No of pages / words:
2 / 424
Was viewed:
537 times
Rating of current essay:
Essay content:
Try not to spill chemical.
Potassium manganate - Harmful over 1 ml
- Danger to environment
- Oxidising agent CLEAPS Wear lab coat & wear eye protection. Wash hands thoroughly at the end of the experiment.
Glassware
(glass stirring rod, boiling tubes) - Can break if dropped and could cause bleeding or other damage to skin...
displayed 300 characters
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Experience in situation Try not to drop glassware and wear eye protection. Keep working area clear at all times.
Method:
1) Measure 10cm3 of 4 mol dm-3 glucose solution into the first boiling tube
2) Measure 5cm3 of 1 mol dm-3 sulphuric acid and add to the boiling tube from 1
3) Reset the stop clock
4) Use a dropping pipette to take 2cm3 potassium manganate VII solution from a measuring cylinder
5) Add the potassium manganate to the boiling tube and starting the stop clock at the same time
6) Stir the contents of the boiling tube with a stirring rod and stop the clock as the solution becomes colourless
7) Record the time taken to go colourless in a results table
8) Wash boiling tube and dropping pipettes thoroughly
9) Repeat steps 2-8 for the remaining glucose solutions...
displayed 300 characters
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