Etioporphyrin | Article about etioporphyrin by The Free Dictionary
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C31H34N4 A synthetic porphyrin that has four ethyl and four methyl groups in a red-pigmented compound whose crystals melt at 280°C.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
Issa and co-workers  proposed a chemically modified carbon paste electrode with Cu(II)-selective based on the etioporphyrin
I dihydrobromide as potentiometric electrode to determinate Cu(II) in real samples.
Additionally, a standard solution was prepared by dissolving 0.1 mg of vanadium (IV) etioporphyrin
III oxide ([C.sub.32][H.sub.36][N.sub.4]OV Santa Cruz Biotechnology, CAS number 15709-03-2) in 60 mL of acetone.
Adsorption of etioporphyrin
and Ni-etioporphyrin on a fractal silica.
Ni in heavy oil is present in form of etioporphyrins
(etio III) and are less investigated due to its low concentration compared with Vanadium that is present in form of vanadyl ion (-VO[2.sup.+]), axe coordinated to an oxygen and four Nitrogen atoms in structures type vanadyl-deoxofiloeritroetioporphyrin (VODPEP) and in vanadylbenzotioporphyrins (VOB) (Yin et al., 2006) as showed in Figure 1.