Laboratory experiment of ecology researches: close up shot of detecting ph level by litmus paper into glass vial. The vial has special marks in russian

Name: Laboratory Experiment Ecology Researches Close Shot
Uploaded: 2017-08-03T00:00:00.000Z
Duration: 7 s
Channel: Nataly Devi
Description: Laboratory experiment of ecology researches: close up shot of detecting ph level by litmus paper into glass vial. The vial has special marks in russian Stock Footage Video (100% Royalty-free) 29442325 | Shutterstock

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Nataly Devi

Laboratory experiment of ecology researches: close up shot of detecting ph level by litmus paper into glass vial. The vial has special marks in russian

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