Methods

?
Step 1:
Place 6 test-tubes in a rack, and label them 1-6
1 of 8
Step 2:
Using a measuring cylinder, put 10ml of egg white suspension into tubes 1-6
2 of 8
Step 3:
Using a pipette, add 2ml of pH buffer solution ranging from pH's 3-8
3 of 8
Step 4:
Transfer the tubes to a water bath at 37 degrees
4 of 8
Step 5:
Once the test tubes has reached 37 degrees add 3ml of pepsin to the first test tube
5 of 8
Step 6:
Start the timer and record how long the egg whites take to change colour
6 of 8
Step 7:
Repeat steps 1-6 for each test tube
7 of 8
Step 8:
Repeat steps 1-7 to produce 3 repeats
8 of 8

Other cards in this set

Card 2

Front

Step 2:

Back

Using a measuring cylinder, put 10ml of egg white suspension into tubes 1-6

Card 3

Front

Step 3:

Back

Preview of the front of card 3

Card 4

Front

Step 4:

Back

Preview of the front of card 4

Card 5

Front

Step 5:

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Science resources:

See all Science resources »See all The effects of temperature and pH on egg albumen resources »