Li – Evaluating Low-Cost Nitrate Test Strips for Drinking Water Using Algorithm-Based Color Interpretations. Home / Celebration of Undergraduate Research Archives / Poster Evaluating Low-Cost Nitrate Test Strips for Drinking Water Using Algorithm-Based Color Interpretations. (2022) Undergraduate: Henry Li Link to Abstract Link to Poster Leave a Reply Click here to cancel reply. You must be logged in to post a comment.