MIT 5.310 Laboratory Chemistry, Fall 2019 Instructor: John Dolhun View the complete course: https://ocw.mit.edu/5-310F19 YouTube Playlist:    • MIT 5.310 Laboratory Chemistry, Fall ...   In this second of three lectures in the Ellen Swallow Richards series, Dr. Dolhun discusses dissolved oxygen (DO) as a key measurement of the health of a river. He discusses temperature, solubility, and % saturation of DO. He goes over the process for collecting water samples and analyzing them for dissolved oxygen. License: Creative Commons BY-NC-SA More information at https://ocw.mit.edu/terms More courses at https://ocw.mit.edu/ Support OCW at http://ow.ly/a1If50zVRlQ We encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments.