Biuret Reagent
Dissolve 1.5 g of copper(ii) sulfate and 6.0 g of potassium sodium (+)-tartrate in 500 mL of water. Add 300 mL of a carbonate-free 10% w/v solution of sodium hydroxide and sufficient of the same solution to produce 1000 mL and mix.
Dissolve 1.5 g of copper(ii) sulfate and 6.0 g of potassium sodium (+)-tartrate in 500 mL of water. Add 300 mL of a carbonate-free 10% w/v solution of sodium hydroxide and sufficient of the same solution to produce 1000 mL and mix.