div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Solid Phase Extractionnecessary after sample cleanup using SPE or QUECHERS The large volume introduction approach of SPE-04 can help to avoid these problems Injecting IOOuL chloramphenicol src=https:reader035fdocumentsinreader035viewer20220711115fe60db39ee2491a35532b34html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Solid Phase Extractionnecessary after sample cleanup using SPE or QUECHERS The large volume introduction approach of SPE-04 can help to avoid these problems Injecting IOOuL chloramphenicol src=https:reader035fdocumentsinreader035viewer20220711115fe60db39ee2491a35532b34html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv