Scientist adding a purple liquid to a flask to test chemicals in a lab.
Woman chemist doing chemical test in chemistry laboratory. Closeup of female chemist working with chemical liquid in test tube. Chemistry scientist mixing chemical liquid in flask in chemical lab
Lab scientist pouring liquid in lab flask. Close up of female scientist doing laboratory experiment. Lab worker hands doing laboratory testing with chemical liquid in beaker
Woman chemist adding chemical reagent in pure liquid at glass flask. Close up of scientist hands put lab flask on table
Pharmacist working with liquid in test tube. Female scientist doing pharmaceutical research in chemical laboratory. Doctor mixing chemical liquid in glass flask. Medical research in chemical lab
Scientist checking test tube with pink liquid. Scientist doing laboratory research. Laboratory researcher working with liquid in lab. Worker checking glass flask in chemical lab. Scientific experiment
Laboratory glassware in chemical lab. Panning on measuring cups and lab flasks in chemical laboratory. Chemical liquids in laboratory flasks on lab table. Laboratory equipment. Test tubes rack
Scientist adds liquid to the flask
Scientists in lab. Scientist brings glass flask with chemical liquid in lab. Chemist preparing for research in science laboratory. Assistant brings lab flask for scientific experiment
Scientist taking out a purple liquid from a conical flask in a lab
Female scientist adding drops of purple liquid into conical flask and mixing it
Glass flask with liquid in scientist hands. Medical research in laboratory. Male doctor analyzing chemical reagent in flask. Clinician examining liquid at chemical flask. Lab worker looking at liquid