div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentcolorimetric-method-dr890-colorimeter-procedures-manual-1997a2000-where-sampleshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: UMeprintsumedumy87351AllpdfColorimetric Method DR890 colorimeter procedures manual 1997—2000 where samples were digested at 1500C for two hours with potassium dichromate loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsnetreader033viewer2022052520608f967067fb1a1dad78769ehtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentcolorimetric-method-dr890-colorimeter-procedures-manual-1997a2000-where-sampleshtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: UMeprintsumedumy87351AllpdfColorimetric Method DR890 colorimeter procedures manual 1997—2000 where samples were digested at 1500C for two hours with potassium dichromate loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsnetreader033viewer2022052520608f967067fb1a1dad78769ehtml5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentcolorimetric-method-dr890-colorimeter-procedures-manual-1997a2000-where-sampleshtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: UMeprintsumedumy87351AllpdfColorimetric Method DR890 colorimeter procedures manual 1997—2000 where samples were digested at 1500C for two hours with potassium dichromate loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...