QUANTITATIVE METHOD FOR DETERMINING THE ORGANIC ACID CONTENT OF CRUDE OIL
A method for analysing a crude oil to determine the amount of organic acid compounds contained in the crude oil comprising: extracting the organic acid compounds from a sample of crude oil to form an extract comprising the organic acid compounds and determining the amount of the extracted organic ac...
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| creator | COUVES, John William WICKING, Christianne Clare |
| description | A method for analysing a crude oil to determine the amount of organic acid compounds contained in the crude oil comprising:
extracting the organic acid compounds from a sample of crude oil to form an extract comprising the organic acid compounds and determining the amount of the extracted organic acids;
dissolving the extract in a polar solvent to form a solution of the extracted organic acid compounds;
introducing a sample of the solution of the extracted organic acid to an apparatus comprising a reversed phase liquid chromatography (LC) column and a mass spectrometer (MS) arranged in series wherein the reversed phase LC column contains a hydrophobic sorbent and the mobile phase for the LC column comprises a polar organic solvent;
separating the organic acid compounds in the LC column of the LC-MS apparatus and continuously passing the separated organic acid compounds from the LC column to the MS of the LC-MS apparatus to ionize the organic acid compounds and to obtain a chromatogram with mass spectral data over time for the ionized organic acid compounds;
determining the area(s) under the peak(s) in an extracted ion chromatogram derived from the mass spectral data assigned to one or more organic acid compounds;
determining the amount of the organic acid compound(s) in the sample by comparing the area under the peak(s) assigned to the organic acid compound(s) with the area under a peak in an extracted ion chromatogram assigned to a specific amount of a standard organic acid compound; and
extrapolating from the amount of the organic acid compound(s) in the sample to provide the total amount of the organic acid compound(s) in the extract. |
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extracting the organic acid compounds from a sample of crude oil to form an extract comprising the organic acid compounds and determining the amount of the extracted organic acids;
dissolving the extract in a polar solvent to form a solution of the extracted organic acid compounds;
introducing a sample of the solution of the extracted organic acid to an apparatus comprising a reversed phase liquid chromatography (LC) column and a mass spectrometer (MS) arranged in series wherein the reversed phase LC column contains a hydrophobic sorbent and the mobile phase for the LC column comprises a polar organic solvent;
separating the organic acid compounds in the LC column of the LC-MS apparatus and continuously passing the separated organic acid compounds from the LC column to the MS of the LC-MS apparatus to ionize the organic acid compounds and to obtain a chromatogram with mass spectral data over time for the ionized organic acid compounds;
determining the area(s) under the peak(s) in an extracted ion chromatogram derived from the mass spectral data assigned to one or more organic acid compounds;
determining the amount of the organic acid compound(s) in the sample by comparing the area under the peak(s) assigned to the organic acid compound(s) with the area under a peak in an extracted ion chromatogram assigned to a specific amount of a standard organic acid compound; and
extrapolating from the amount of the organic acid compound(s) in the sample to provide the total amount of the organic acid compound(s) in the extract.</description><language>eng ; fre ; ger</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; PHYSICS ; TESTING</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200624&DB=EPODOC&CC=EP&NR=3669185A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200624&DB=EPODOC&CC=EP&NR=3669185A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>COUVES, John William</creatorcontrib><creatorcontrib>WICKING, Christianne Clare</creatorcontrib><title>QUANTITATIVE METHOD FOR DETERMINING THE ORGANIC ACID CONTENT OF CRUDE OIL</title><description>A method for analysing a crude oil to determine the amount of organic acid compounds contained in the crude oil comprising:
extracting the organic acid compounds from a sample of crude oil to form an extract comprising the organic acid compounds and determining the amount of the extracted organic acids;
dissolving the extract in a polar solvent to form a solution of the extracted organic acid compounds;
introducing a sample of the solution of the extracted organic acid to an apparatus comprising a reversed phase liquid chromatography (LC) column and a mass spectrometer (MS) arranged in series wherein the reversed phase LC column contains a hydrophobic sorbent and the mobile phase for the LC column comprises a polar organic solvent;
separating the organic acid compounds in the LC column of the LC-MS apparatus and continuously passing the separated organic acid compounds from the LC column to the MS of the LC-MS apparatus to ionize the organic acid compounds and to obtain a chromatogram with mass spectral data over time for the ionized organic acid compounds;
determining the area(s) under the peak(s) in an extracted ion chromatogram derived from the mass spectral data assigned to one or more organic acid compounds;
determining the amount of the organic acid compound(s) in the sample by comparing the area under the peak(s) assigned to the organic acid compound(s) with the area under a peak in an extracted ion chromatogram assigned to a specific amount of a standard organic acid compound; and
extrapolating from the amount of the organic acid compound(s) in the sample to provide the total amount of the organic acid compound(s) in the extract.</description><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</subject><subject>MEASURING</subject><subject>PHYSICS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyjEKwkAQQNFtLES9w1zAIgSDlsPubHbAzOoySRuCjJVoIN4fLTyA1S_eXzu-9ijKisoDQUeacoCYCwRSKh0LSwuaCHJpUdgDeg7gsyiJQo7gSx--yuetW92nx2K7XzcOIqlPe5tfoy3zdLOnvUe61E1zqo4HrOo_lg_ULCyd</recordid><startdate>20200624</startdate><enddate>20200624</enddate><creator>COUVES, John William</creator><creator>WICKING, Christianne Clare</creator><scope>EVB</scope></search><sort><creationdate>20200624</creationdate><title>QUANTITATIVE METHOD FOR DETERMINING THE ORGANIC ACID CONTENT OF CRUDE OIL</title><author>COUVES, John William ; WICKING, Christianne Clare</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3669185A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2020</creationdate><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MEASURING</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>COUVES, John William</creatorcontrib><creatorcontrib>WICKING, Christianne Clare</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>COUVES, John William</au><au>WICKING, Christianne Clare</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>QUANTITATIVE METHOD FOR DETERMINING THE ORGANIC ACID CONTENT OF CRUDE OIL</title><date>2020-06-24</date><risdate>2020</risdate><abstract>A method for analysing a crude oil to determine the amount of organic acid compounds contained in the crude oil comprising:
extracting the organic acid compounds from a sample of crude oil to form an extract comprising the organic acid compounds and determining the amount of the extracted organic acids;
dissolving the extract in a polar solvent to form a solution of the extracted organic acid compounds;
introducing a sample of the solution of the extracted organic acid to an apparatus comprising a reversed phase liquid chromatography (LC) column and a mass spectrometer (MS) arranged in series wherein the reversed phase LC column contains a hydrophobic sorbent and the mobile phase for the LC column comprises a polar organic solvent;
separating the organic acid compounds in the LC column of the LC-MS apparatus and continuously passing the separated organic acid compounds from the LC column to the MS of the LC-MS apparatus to ionize the organic acid compounds and to obtain a chromatogram with mass spectral data over time for the ionized organic acid compounds;
determining the area(s) under the peak(s) in an extracted ion chromatogram derived from the mass spectral data assigned to one or more organic acid compounds;
determining the amount of the organic acid compound(s) in the sample by comparing the area under the peak(s) assigned to the organic acid compound(s) with the area under a peak in an extracted ion chromatogram assigned to a specific amount of a standard organic acid compound; and
extrapolating from the amount of the organic acid compound(s) in the sample to provide the total amount of the organic acid compound(s) in the extract.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | QUANTITATIVE METHOD FOR DETERMINING THE ORGANIC ACID CONTENT OF CRUDE OIL |
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