Particle size independent spectrometric determination of wear metals in aircraft lubricating oils
A method for the particle size independent determination of Ni, Fe, Mg, Cu, Al, Sn, Mo and Ti in synthetic ester lubricating oils by spectrometric analysis is presented. Partial dissolution of Cr, Si, Pb and Ag also occurs. Used ester lubricating oils and samples prepared with -- 325 mesh (44 mu m)...
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| Veröffentlicht in: | Anal. Chem.; (United States) 1980-12, Vol.52 (14), p.2365-2370 |
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| container_title | Anal. Chem.; (United States) |
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| creator | Brown, John R Saba, Costandy S Rhine, Wendell E Eisentraut, Kent J |
| description | A method for the particle size independent determination of Ni, Fe, Mg, Cu, Al, Sn, Mo and Ti in synthetic ester lubricating oils by spectrometric analysis is presented. Partial dissolution of Cr, Si, Pb and Ag also occurs. Used ester lubricating oils and samples prepared with -- 325 mesh (44 mu m) or -- 200 mesh (74 mu m) metal powders were reacted with a small amount of hydrofluoric acid and aqua regla at 65 deg C for 45 min with ultrasonic agitation. The reacted mixture was then diluted with a methyl isobutyl ketone and isopropyl alcohol mixture and analyzed spectrometrically. The recoveries for metal powder suspensions of Ni, Fe, Mg, Cu, Al, Sn, Mo and Ti ranged from 97 to 103% and the relative standard deviation ranged from 4 to 10%. In addition to the metal powder suspensions, > 200 aircraft oil samples were analyzed. The method is much faster and more convenient than previously reported particle size independent methods using ashing techniques.19 refs.--AA |
| doi_str_mv | 10.1021/ac50064a030 |
| format | Article |
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Partial dissolution of Cr, Si, Pb and Ag also occurs. Used ester lubricating oils and samples prepared with -- 325 mesh (44 mu m) or -- 200 mesh (74 mu m) metal powders were reacted with a small amount of hydrofluoric acid and aqua regla at 65 deg C for 45 min with ultrasonic agitation. The reacted mixture was then diluted with a methyl isobutyl ketone and isopropyl alcohol mixture and analyzed spectrometrically. The recoveries for metal powder suspensions of Ni, Fe, Mg, Cu, Al, Sn, Mo and Ti ranged from 97 to 103% and the relative standard deviation ranged from 4 to 10%. In addition to the metal powder suspensions, > 200 aircraft oil samples were analyzed. The method is much faster and more convenient than previously reported particle size independent methods using ashing techniques.19 refs.--AA</description><identifier>ISSN: 0003-2700</identifier><identifier>EISSN: 1520-6882</identifier><identifier>DOI: 10.1021/ac50064a030</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><subject>02 PETROLEUM ; 023000 -- Petroleum-- Properties & Composition ; ALKALINE EARTH METALS ; ALUMINIUM ; CHEMICAL ANALYSIS ; CHROMIUM ; COPPER ; DATA ; ELEMENTS ; ESTERS ; EXPERIMENTAL DATA ; INFORMATION ; INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ; IRON ; LEAD ; LUBRICANTS ; LUBRICATING OILS ; MAGNESIUM ; METALS ; MOLYBDENUM ; NICKEL ; NUMERICAL DATA ; OILS ; ORGANIC COMPOUNDS ; OTHER ORGANIC COMPOUNDS ; PARTICLE SIZE ; PETROLEUM PRODUCTS ; REFRACTORY METALS ; SEMIMETALS ; SILICON ; SILVER ; SIZE ; SPECTROSCOPY ; TIN ; TITANIUM ; TRANSITION ELEMENTS 400104 -- Spectral Procedures-- (-1987) ; WEAR</subject><ispartof>Anal. 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Chem.; (United States)</title><addtitle>Anal. Chem</addtitle><description>A method for the particle size independent determination of Ni, Fe, Mg, Cu, Al, Sn, Mo and Ti in synthetic ester lubricating oils by spectrometric analysis is presented. Partial dissolution of Cr, Si, Pb and Ag also occurs. Used ester lubricating oils and samples prepared with -- 325 mesh (44 mu m) or -- 200 mesh (74 mu m) metal powders were reacted with a small amount of hydrofluoric acid and aqua regla at 65 deg C for 45 min with ultrasonic agitation. The reacted mixture was then diluted with a methyl isobutyl ketone and isopropyl alcohol mixture and analyzed spectrometrically. The recoveries for metal powder suspensions of Ni, Fe, Mg, Cu, Al, Sn, Mo and Ti ranged from 97 to 103% and the relative standard deviation ranged from 4 to 10%. In addition to the metal powder suspensions, > 200 aircraft oil samples were analyzed. The method is much faster and more convenient than previously reported particle size independent methods using ashing techniques.19 refs.--AA</description><subject>02 PETROLEUM</subject><subject>023000 -- Petroleum-- Properties & Composition</subject><subject>ALKALINE EARTH METALS</subject><subject>ALUMINIUM</subject><subject>CHEMICAL ANALYSIS</subject><subject>CHROMIUM</subject><subject>COPPER</subject><subject>DATA</subject><subject>ELEMENTS</subject><subject>ESTERS</subject><subject>EXPERIMENTAL DATA</subject><subject>INFORMATION</subject><subject>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</subject><subject>IRON</subject><subject>LEAD</subject><subject>LUBRICANTS</subject><subject>LUBRICATING OILS</subject><subject>MAGNESIUM</subject><subject>METALS</subject><subject>MOLYBDENUM</subject><subject>NICKEL</subject><subject>NUMERICAL DATA</subject><subject>OILS</subject><subject>ORGANIC COMPOUNDS</subject><subject>OTHER ORGANIC COMPOUNDS</subject><subject>PARTICLE SIZE</subject><subject>PETROLEUM PRODUCTS</subject><subject>REFRACTORY METALS</subject><subject>SEMIMETALS</subject><subject>SILICON</subject><subject>SILVER</subject><subject>SIZE</subject><subject>SPECTROSCOPY</subject><subject>TIN</subject><subject>TITANIUM</subject><subject>TRANSITION ELEMENTS 400104 -- Spectral Procedures-- (-1987)</subject><subject>WEAR</subject><issn>0003-2700</issn><issn>1520-6882</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1980</creationdate><recordtype>article</recordtype><recordid>eNpt0EFrFTEQB_BQFHxWT_0CwYMeyuokeZtkj9LWVmix0HeQXkI2O6mp-5JnkofaT2_KSvHgZeYwvxmYPyFHDN4z4OyDdT2AXFsQcEBWrOfQSa35M7ICANFxBfCCvCzlHoAxYHJF7LXNNbgZaQkPSEOccIetxErLDl3NaYs1B0cnrJi3IdoaUqTJ059oM21DO5e2Rm3ILltf6bwfm28s3tEU5vKKPPfN4Ou__ZBsPp1tTi66yy_nn08-XnZW9EPtBo1cIffaipEJ8DgJ3ysJTq2ZHvnEJ2TewqjHaXJq8uOay2HowQ-2l5yLQ_JmOZtKDaa4UNF9cynG9oSRmg8toIbeLmiX0489lmq2oTicZxsx7YvhQq-1BNXg8QJdTqVk9GaXw9bm34aBeYza_BN1092iQ6n464na_N1IJVRvNtc35upU9ec3t1_No3-3eOuKuU_7HFsw_738B6WYjiU</recordid><startdate>19801201</startdate><enddate>19801201</enddate><creator>Brown, John R</creator><creator>Saba, Costandy S</creator><creator>Rhine, Wendell E</creator><creator>Eisentraut, Kent J</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>H8G</scope><scope>JG9</scope><scope>OTOTI</scope></search><sort><creationdate>19801201</creationdate><title>Particle size independent spectrometric determination of wear metals in aircraft lubricating oils</title><author>Brown, John R ; Saba, Costandy S ; Rhine, Wendell E ; Eisentraut, Kent J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a359t-98e27e2f8a3b130fed3f5760c7418b2d2de1fa0b8bddc7dfb4269950f9a56223</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1980</creationdate><topic>02 PETROLEUM</topic><topic>023000 -- Petroleum-- Properties & Composition</topic><topic>ALKALINE EARTH METALS</topic><topic>ALUMINIUM</topic><topic>CHEMICAL ANALYSIS</topic><topic>CHROMIUM</topic><topic>COPPER</topic><topic>DATA</topic><topic>ELEMENTS</topic><topic>ESTERS</topic><topic>EXPERIMENTAL DATA</topic><topic>INFORMATION</topic><topic>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</topic><topic>IRON</topic><topic>LEAD</topic><topic>LUBRICANTS</topic><topic>LUBRICATING OILS</topic><topic>MAGNESIUM</topic><topic>METALS</topic><topic>MOLYBDENUM</topic><topic>NICKEL</topic><topic>NUMERICAL DATA</topic><topic>OILS</topic><topic>ORGANIC COMPOUNDS</topic><topic>OTHER ORGANIC COMPOUNDS</topic><topic>PARTICLE SIZE</topic><topic>PETROLEUM PRODUCTS</topic><topic>REFRACTORY METALS</topic><topic>SEMIMETALS</topic><topic>SILICON</topic><topic>SILVER</topic><topic>SIZE</topic><topic>SPECTROSCOPY</topic><topic>TIN</topic><topic>TITANIUM</topic><topic>TRANSITION ELEMENTS 400104 -- Spectral Procedures-- (-1987)</topic><topic>WEAR</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Brown, John R</creatorcontrib><creatorcontrib>Saba, Costandy S</creatorcontrib><creatorcontrib>Rhine, Wendell E</creatorcontrib><creatorcontrib>Eisentraut, Kent J</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>OSTI.GOV</collection><jtitle>Anal. Chem.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Brown, John R</au><au>Saba, Costandy S</au><au>Rhine, Wendell E</au><au>Eisentraut, Kent J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Particle size independent spectrometric determination of wear metals in aircraft lubricating oils</atitle><jtitle>Anal. Chem.; (United States)</jtitle><addtitle>Anal. Chem</addtitle><date>1980-12-01</date><risdate>1980</risdate><volume>52</volume><issue>14</issue><spage>2365</spage><epage>2370</epage><pages>2365-2370</pages><issn>0003-2700</issn><eissn>1520-6882</eissn><abstract>A method for the particle size independent determination of Ni, Fe, Mg, Cu, Al, Sn, Mo and Ti in synthetic ester lubricating oils by spectrometric analysis is presented. Partial dissolution of Cr, Si, Pb and Ag also occurs. Used ester lubricating oils and samples prepared with -- 325 mesh (44 mu m) or -- 200 mesh (74 mu m) metal powders were reacted with a small amount of hydrofluoric acid and aqua regla at 65 deg C for 45 min with ultrasonic agitation. The reacted mixture was then diluted with a methyl isobutyl ketone and isopropyl alcohol mixture and analyzed spectrometrically. The recoveries for metal powder suspensions of Ni, Fe, Mg, Cu, Al, Sn, Mo and Ti ranged from 97 to 103% and the relative standard deviation ranged from 4 to 10%. In addition to the metal powder suspensions, > 200 aircraft oil samples were analyzed. The method is much faster and more convenient than previously reported particle size independent methods using ashing techniques.19 refs.--AA</abstract><cop>United States</cop><pub>American Chemical Society</pub><doi>10.1021/ac50064a030</doi><tpages>6</tpages></addata></record> |
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| source | American Chemical Society Journals |
| subjects | 02 PETROLEUM 023000 -- Petroleum-- Properties & Composition ALKALINE EARTH METALS ALUMINIUM CHEMICAL ANALYSIS CHROMIUM COPPER DATA ELEMENTS ESTERS EXPERIMENTAL DATA INFORMATION INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY IRON LEAD LUBRICANTS LUBRICATING OILS MAGNESIUM METALS MOLYBDENUM NICKEL NUMERICAL DATA OILS ORGANIC COMPOUNDS OTHER ORGANIC COMPOUNDS PARTICLE SIZE PETROLEUM PRODUCTS REFRACTORY METALS SEMIMETALS SILICON SILVER SIZE SPECTROSCOPY TIN TITANIUM TRANSITION ELEMENTS 400104 -- Spectral Procedures-- (-1987) WEAR |
| title | Particle size independent spectrometric determination of wear metals in aircraft lubricating oils |
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