div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: UMS - HOME · 2017 1 20 · spectrophotometer Hach© DR2800 according to the APHA method APHA 1998 Wavelengths used were 630nm 647nm 664nm and 750nm Selected nutrients src=https:reader033fdokumensitereader033viewer2022060823609c52a8dc54163fb9406e80html5thumbnails1jpg 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: UMS - HOME · 2017 1 20 · spectrophotometer Hach© DR2800 according to the APHA method APHA 1998 Wavelengths used were 630nm 647nm 664nm and 750nm Selected nutrients src=https:reader033fdokumensitereader033viewer2022060823609c52a8dc54163fb9406e80html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: UMS - HOME · 2017 1 20 · spectrophotometer Hach© DR2800 according to the APHA method APHA 1998 Wavelengths used were 630nm 647nm 664nm and 750nm Selected nutrients src=https:reader033fdokumensitereader033viewer2022060823609c52a8dc54163fb9406e80html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: UMS - HOME · 2017 1 20 · spectrophotometer Hach© DR2800 according to the APHA method APHA 1998 Wavelengths used were 630nm 647nm 664nm and 750nm Selected nutrients src=https:reader033fdokumensitereader033viewer2022060823609c52a8dc54163fb9406e80html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: UMS - HOME · 2017 1 20 · spectrophotometer Hach© DR2800 according to the APHA method APHA 1998 Wavelengths used were 630nm 647nm 664nm and 750nm Selected nutrients...