div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220409215e99f6ee29bd1f539255b0d7html5page1jpg target=_blank img data-url=of-pharm-406-lc-ll-j-pharm-biomed-anal-22-2000-405-411-all-chemicalshtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: of Pharm · 406 Lc ll J Pharm Biomed Anal 22 2000 405-411 All chemicals and solvents were of pro analysi or HPLC grade quality Potassium phosphate monobasic di-sodium loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220409215e99f6ee29bd1f539255b0d7html5thumbnails1jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220409215e99f6ee29bd1f539255b0d7html5page2jpg target=_blank img 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or HPLC grade quality Potassium phosphate monobasic di-sodium loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220409215e99f6ee29bd1f539255b0d7html5thumbnails3jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220409215e99f6ee29bd1f539255b0d7html5page4jpg target=_blank img data-url=of-pharm-406-lc-ll-j-pharm-biomed-anal-22-2000-405-411-all-chemicalshtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: of Pharm · 406 Lc ll J Pharm Biomed Anal 22 2000 405-411 All chemicals and solvents were of pro analysi or HPLC grade quality Potassium phosphate monobasic di-sodium loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC 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