confident skilled adult blond woman chemist in lab coat and sterile gloves conducting chemical experiment with liquid in flask and viewing at the result obtained
Likable confident purposeful qualified african american male chemist in protective mask,eyewear ,gloves and white coat conducting chemical experiment with fluids in dark lighted lab
purposeful qualified bearded chemist in white coat and gloves working with chemical liquids and glass flasks in evening laboratory,front view
confident qualified hardworking bearded chemist in unifrom and gloves adding fluid into flask with pure water and mixing them while working overtime in lab
Professional chemist wearing protective uniform holding flask with liquid in his hand in laboratory close up. Scientist conducting experiment.
positive qualified smart african american female scientist in uniform and protective gloves sitting at the desk in evening lab and working with flasks with chemical fluids
Hand holding flask with liquid. Beaker with purple fluid. Scientist is conducting experiment. Chemist working in the lab.
Skilled female chemist analyzing samples in lab
Chemist pours liquid into flask. Stock footage. Chemist conducts experiment with flask and liquid substance. Laboratory experiment, close up
Chemist pours liquid into flask. Stock footage. Chemist conducts experiment with flask and liquid substance. Laboratory experiment, close up
Slowmo closeup of unrecognizable gloved chemist using chemical burner while heating bottom of distillation glass flask with dark liquid inside, conducting experiment in laboratory
Chemist taking flasks with rotating equipment. Stock footage. Chemist in gloves takes flasks for research. Experiment with flasks and liquid