Absorption Spectra for

Common Internal Standards used in HPLC Photopigment Analyses

ß-Apo-8'-carotenal (trans) (cas# 1107-26-2) (Sigma Chemical Co.)

Mesoporphyrin IX dimethyl ester (cas# 1263-63-4) (Sigma Chemical Co.)

Zinc pthalocyanine (cas# 14320-4-8) (Sigma Chemical Co.)

Created by J Pinckney ------- Last Update: 25 Aug 2006