Testing for Dissolved Oxygen

Currently in Science, we are testing the levels of dissolved oxygen in water from different sources, at different temperatures, and of different salinity.  We are learning about the Winkler Titration technique and its impact on aquatic life in Washington.IMG_7284 IMG_7283 IMG_7282 IMG_7281 IMG_7280 IMG_7279 IMG_7277 IMG_7276 IMG_7275 IMG_7274 IMG_7273 IMG_7271 IMG_7270

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