Protein test Flashcards by Louis Court | Brainscape

Q

How do you carry out a protein test?

A

Step 1: Place substance in boiling tube
Step 2: Add an equal volume of potassium hydroxide and stir
Step 3: Add 2 drops of copper sulphate and stir for 2 minutes

Positive colour change: Blue to Lilac

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Q

Colour change when protein is present?

A

Positive colour change: Blue to Lilac

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Q

What solution is used in these tests?

A

Potassium hydroxide and copper sulphate

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