Medium close-up of scientists examining liquid in a conical flask
The liquid pour into a conical flask
Tracking close up shot of purple liquid being put into a conical flask.
Tracking close up shot of purple liquid being put into a conical flask.
A number of conical flasks with blue liquid
Female mixes the liquid in a conical flask
Tracking close up shot of purple liquid being taken out from a conical flask.
Female research scientist mixing up a conical flask with red liquid, slow motion
Female research scientist mixing up a conical flask with red liquid, slow motion
Dripping chemical liquid in glass flask. Close up of chemical reaction in conical flask. Laboratory research. Closeup of laboratory testing in lab flask. Chemical analysis. Chemical engineering
Scientist taking out a purple liquid from a conical flask in a lab