Female research scientist adding a drop into a conical flask with red liquid
Female research scientist mixing up a conical flask, dolly out, slow motion
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
Female scientist adding drops of purple liquid into conical flask and mixing it
Scientist taking out a purple liquid from a conical flask in a lab, slow motion
Female reagent added to a conical flask
Scientist adds liquid to the flask
Female mixes the liquid in a conical flask
Medium close-up of scientists examining liquid in a conical flask
Observing liquid reaction in conical flask during experiment in modern chemistry lab
Scientist doing laboratory research. Closeup of scientist looking at liquid in laboratory flask. Scientist face at research lab. Scientist research liquid in lab flask at research laboratory