Standard reagent B
Dissolve copper sulfate in 10 mL of H2O. Standard reagent B is stable for 1-3 wk when stored in a plastic container at room temperature, and indefinitely at 4ºC.
Dissolve copper sulfate in 10 mL of H2O. Standard reagent B is stable for 1-3 wk when stored in a plastic container at room temperature, and indefinitely at 4ºC.