Experiment to Investigate the Action of Bile Salts on Fat in Milk

... Experiment to Investigate the Action of Bile Salts on Fat in Milk Planning Variables Temperature - room temperature Full cream milk concentration - 2.5 cm3 per test tube Bile salts concentration - We will investigate this variable at different values Lipase concentration - 0.5 cm3 per test tube Sodium carbonate - 3.5 cm3 per test tube Distilled water - This will vary according to the amount of bile salts in each tube Phenolphthalein - 3 drops We can easily change the concentrations of bile salts by changing the amount of bile salts in each test tube. We can easily keep the temperature constant by doing all the experiments at the same time in the same part of the laboratory. Because we are going to work at room temperature this will keep the temperatures roughly similar. We have chosen room temperature because it is the easiest temperature to keep constant. We are using test tubes to carry out the experiment in

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