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 first of three lectures in the Ellen Swallow Richards series, Dr. Dolhun discusses the water quality issues in Cambridge's beloved Charles River, and the methods students will use to analyze river water samples during the next several lab periods. This lecture focuses on measuring dissolved phosphates and phosphorous, a significant pollutant for many rivers and lakes. 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.