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The method consists of extracting a sample containing 0.42\u2009g\/mL NaCl with an 85\u2009\u00b5m polyacrylate (PA) coated fiber at an extraction temperature of <jats:inline-formula id=\"j_npprj-2018-0084_ineq_001_w2aab3b7d653b1b6b1aab1c16b1b1Aa\">\n                     <jats:alternatives>\n                        <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/j_npprj-2018-0084_ineq_001.png\" \/>\n                        <m:math xmlns:m=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                           <m:msup>\n                              <m:mrow>\n                                 <m:mn>45<\/m:mn>\n                              <\/m:mrow>\n                              <m:mrow>\n                                 <m:mo>\u2218<\/m:mo>\n                              <\/m:mrow>\n                           <\/m:msup>\n                           <m:mtext>C<\/m:mtext>\n                        <\/m:math>\n                        <jats:tex-math>{45^{\\circ }}\\text{C}<\/jats:tex-math>\n                     <\/jats:alternatives>\n                  <\/jats:inline-formula>, for an extraction time of 30\u2009mins, and desorbing the analytes at <jats:inline-formula id=\"j_npprj-2018-0084_ineq_002_w2aab3b7d653b1b6b1aab1c16b1b3Aa\">\n                     <jats:alternatives>\n                        <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/j_npprj-2018-0084_ineq_002.png\" \/>\n                        <m:math xmlns:m=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                           <m:msup>\n                              <m:mrow>\n                                 <m:mn>240<\/m:mn>\n                              <\/m:mrow>\n                              <m:mrow>\n                                 <m:mo>\u2218<\/m:mo>\n                              <\/m:mrow>\n                           <\/m:msup>\n                           <m:mtext>C<\/m:mtext>\n                        <\/m:math>\n                        <jats:tex-math>{240^{\\circ }}\\text{C}<\/jats:tex-math>\n                     <\/jats:alternatives>\n                  <\/jats:inline-formula> for 6\u2009mins. Under these optimized conditions, relatively low limits of detection (LOD) of the analytes, good linearity (<jats:inline-formula id=\"j_npprj-2018-0084_ineq_003_w2aab3b7d653b1b6b1aab1c16b1b5Aa\">\n                     <jats:alternatives>\n                        <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/j_npprj-2018-0084_ineq_003.png\" \/>\n                        <m:math xmlns:m=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                           <m:msup>\n                              <m:mrow>\n                                 <m:mi>r<\/m:mi>\n                              <\/m:mrow>\n                              <m:mrow>\n                                 <m:mn>2<\/m:mn>\n                              <\/m:mrow>\n                           <\/m:msup>\n                           <m:mo>\u2265<\/m:mo>\n                           <m:mn>0.9934<\/m:mn>\n                        <\/m:math>\n                        <jats:tex-math>{r^{2}}\\ge 0.9934<\/jats:tex-math>\n                     <\/jats:alternatives>\n                  <\/jats:inline-formula>) and precision (relative standard deviation (<jats:inline-formula id=\"j_npprj-2018-0084_ineq_004_w2aab3b7d653b1b6b1aab1c16b1b7Aa\">\n                     <jats:alternatives>\n                        <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/j_npprj-2018-0084_ineq_004.png\" \/>\n                        <m:math xmlns:m=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                           <m:mtext>RSD<\/m:mtext>\n                           <m:mo>\u2264<\/m:mo>\n                           <m:mn>4.38<\/m:mn>\n                           <m:mspace \/>\n                           <m:mi>%<\/m:mi>\n                        <\/m:math>\n                        <jats:tex-math>\\text{RSD}\\le 4.38\\hspace{0.1667em}\\% <\/jats:tex-math>\n                     <\/jats:alternatives>\n                  <\/jats:inline-formula>)) were obtained. Taking into account the matrix effect, standard addition methodology was applied to validate this method and recovery values were between 91.59\u2009% and 109.69\u2009%. This method is therefore well-suited for accurate determination of low levels of LMWC in PAE.<\/jats:p>","DOI":"10.1515\/npprj-2018-0084","type":"journal-article","created":{"date-parts":[[2019,8,1]],"date-time":"2019-08-01T09:03:44Z","timestamp":1564650224000},"page":"326-333","source":"Crossref","is-referenced-by-count":1,"title":["Determination of low molecular weight chlorinated organic compounds in polyamideanine epichlorohydrin solution"],"prefix":"10.1515","volume":"34","author":[{"given":"Qi","family":"Wei","sequence":"first","affiliation":[{"name":"South China University of Technology , Guangzhou , China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hao","family":"Cheng","sequence":"additional","affiliation":[{"name":"South China University of Technology , Guangzhou , China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shubin","family":"Wu","sequence":"additional","affiliation":[{"name":"South China University of Technology , Guangzhou , China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chunxia","family":"Chen","sequence":"additional","affiliation":[{"name":"South China University of Technology , Guangzhou , China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"374","published-online":{"date-parts":[[2019,8,2]]},"reference":[{"key":"2023040101575688267_j_npprj-2018-0084_ref_001_w2aab3b7d653b1b6b1ab2b1b1Aa","doi-asserted-by":"crossref","unstructured":"Arthur, C.L., Pawliszyn, J. 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