What is the wavelength of potassium chloride?

Answer 1

The colour is faint purple (lavender).

Purple is a mixture of the colors red (650 nm) and blue (475 nm).

Answer 2

The wavelength of potassium chloride would depend on the electromagnetic radiation being considered. Potassium chloride can have characteristic spectral lines in the visible range, typically around 766 nm and 766.5 nm.

Answer 3

Around 620 nm