div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader042fdocumentsusreader042viewer20220405035e2cb1a48d42783ff52e0fe5html5page1jpg target=_blank img data-url=documentscangate-6pdf-sitc-k-lp-mang-mt-chiu-trn-silicagel-g-h-dung-mihtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: ScanGate documentrepositoryvnueduvnbitstreamVNU_123600021document 6pdfSitc ký lp mang mêt chièu trên silicagel-G Hê dung môi Toluen-etyl axetat axeton-metanol 1976 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentsusreader042viewer20220405035e2cb1a48d42783ff52e0fe5html5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader042fdocumentsusreader042viewer20220405035e2cb1a48d42783ff52e0fe5html5page2jpg target=_blank img data-url=documentscangate-6pdf-sitc-k-lp-mang-mt-chiu-trn-silicagel-g-h-dung-mihtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: ScanGate documentrepositoryvnueduvnbitstreamVNU_123600021document 6pdfSitc ký lp mang mêt chièu trên silicagel-G Hê dung môi Toluen-etyl axetat axeton-metanol 1976 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentsusreader042viewer20220405035e2cb1a48d42783ff52e0fe5html5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader042fdocumentsusreader042viewer20220405035e2cb1a48d42783ff52e0fe5html5page3jpg target=_blank img data-url=documentscangate-6pdf-sitc-k-lp-mang-mt-chiu-trn-silicagel-g-h-dung-mihtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: ScanGate documentrepositoryvnueduvnbitstreamVNU_123600021document 6pdfSitc ký lp mang mêt chièu trên...