THE STUDY ON BIOMARKERS SEPARATION AND ITS CSIA BY MOY MOLECULAR SIEVE

This paper investigated the column chromatography separation of biomarkers in saturated hydrocarbons by Chinese MOY molecular sieve,the results show that gammarance,steranes and β-carotane can be eluted from the column filled with MOY sieve in which n-alkanes was removed from saturated hydrocarbon.It was demonstrated that gammarance,steranes and β-carotane could be enriched,but hopanes was lost.The results of compound specific isotope analysis(CSIA)shows that there were no compounds isotopic fractionation phenomena occurred during separation.The stable carbon isotope analysis results of gammarance and β-carotane were good,while the stable carbon isotope ana-lysis results of steranes were not ideal due to its relatively high baseline.