Origin of petroporphyrins. 2. Evidence from stable carbon isotopes

Compared with the carbon-13 isotopic composition of the ubiquitous C32DPEP (DPEP, deoxophylloerythroetioporphyrin) the heavy but equivalent carbon-13 isotopic composition for the porphyrin structures 15(2)-methyl-15,17-ethano-17-nor-H-C30DPEP and 15,17-butano-, 13,15-ethano-13(2),17-propano-, and 13...

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Veröffentlicht in:	Energy & fuels 1990-11, Vol.4 (6), p.658-661
Hauptverfasser:	Boreham, Christopher J, Fookes, Christopher J. R, Popp, Brian N, Hayes, J. M
Format:	Artikel
Sprache:	eng
Schlagworte:	04 OIL SHALES AND TAR SANDS 040200 - Oil Shales & Tar Sands- Reserves, Geology, & Exploration 040500 - Oil Shales & Tar Sands- Properties & Composition Australia BITUMINOUS MATERIALS Carbon - analysis Carbon - chemistry CARBON 13 CARBON ISOTOPES Carbon Radioisotopes CARBONACEOUS MATERIALS CARBOXYLIC ACIDS CHEMICAL REACTIONS CHLOROPHYLL Chlorophyll - analysis Chlorophyll - chemistry ENERGY SOURCES EVEN-ODD NUCLEI Exobiology FOSSIL FUELS FUELS Geologic Sediments - chemistry HETEROCYCLIC ACIDS HETEROCYCLIC COMPOUNDS ISOTOPE RATIO ISOTOPES LIGHT NUCLEI MATERIALS NICKEL COMPOUNDS NUCLEI Oceans and Seas OIL SHALES ORGANIC ACIDS ORGANIC COMPOUNDS ORGANIC NITROGEN COMPOUNDS ORGANOMETALLIC COMPOUNDS ORIGIN Petroleum - analysis PHYTOCHROMES PIGMENTS PORPHYRINS Porphyrins - analysis Porphyrins - chemistry PROTEINS REACTION INTERMEDIATES Space life sciences STABLE ISOTOPES STRUCTURAL CHEMICAL ANALYSIS TRANSITION ELEMENT COMPOUNDS VANADIUM COMPOUNDS
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