Soret band

So·ret band

(sō-rā'), the absorption band of all porphyrins at about 400 nm.

Soret,

Charles, French radiologist, 1854-1931. Soret band - the absorption band of all porphyrins at about 400 nm.Soret phenomenon - in a solution kept in a long, upright tube at room temperature, the upper part being the warmer, is also the more concentrated.