Used to make basic solution, part of the complex solution to form a high enough pH solution for Luminol to oxidize, but not high enough so that Copper does not dissolve. The Ammonium carbonate ensures that the pH remains stable.

Used to make basic solution, part of the complex solution to form a high enough pH solution for Luminol to oxidize, but not high enough so that Copper does not dissolve.

Used to make basic solution, part of the complex solution to form a high enough pH solution for Luminol to oxidize, but not high enough so that Copper does not dissolve.