Investigating the Oral Glucose Tolearnce Test
Essay title: Investigating the Oral Glucose Tolearnce Test
Investigating the oral glucose tolerance test
Aim: To carry out glucose tests on stimulated blood plasma samples if glucose is present in blood plasma.
Risk Assessment:
Hazardous chemical or microorganism being used or made, or hazardous procedure or equipment.
Nature of the hazard(s)
Source(s) of information
Control measures to reduce the risks
Sulphuric acid
– Irritant
– Very corrosive
CLEAPS
Wear eye protection & wear lab coat. 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.
Experience in situation
Try not to drop glassware and wear eye protection. Keep working area clear at all times.
Method:
Measure 10cm3 of 4 mol dm-3 glucose solution into the first boiling tube
Measure 5cm3 of 1 mol dm-3 sulphuric acid and add to the boiling tube from 1
Reset the stop clock
Use a dropping pipette to take 2cm3 potassium manganate VII solution from a measuring cylinder
Add the potassium manganate to the boiling tube and starting the stop clock at the same time
Stir the contents of the boiling tube with a stirring rod and stop the clock as the solution becomes colourless
Record the time taken to go colourless in a results table
Wash boiling tube and dropping pipettes thoroughly
Repeat steps 2-8 for the remaining glucose solutions.
Glucose concentration
(gdm-3)
Time to decolourise
(secs)
Mean time
(secs)
112, 124

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Hazardous Procedure And Information Control. (June 24, 2021). Retrieved from https://www.freeessays.education/hazardous-procedure-and-informationcontrol-essay/