Chemist Dips Litmus Paper Into Beaker Filled with Water

Looped Video: No, Frame Rate: 29.97, Resolution: 4096x2160, Video Encoding: H.264, File Size: 268.71MB, Number of Clips: 1, Total Clip(s) Length: 00:22, Source Audio: No, No. of People: 1, Gender: Female, Age: Young Adult, Ethnicity: Caucasian

Chemist dips litmus paper into beaker filled with clear water. Researcher watches intently as paper reacts to pH of liquid slow motion

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