Chest up of young African American male chemist in white lab coat and safety glasses conducting chemical reaction in measuring cup in laboratory
Chest up of young African American male chemist in safety glasses and white lab coat posing for camera with evaporating liquid in glass measuring cup
Waist up of professional Black male scientist in safety glasses and lab coat looking at chemical reaction in glass measuring cup while conducting experiments in lab
Chest up slowmo of Caucasian male chemist in lab coat and protective goggles taking smell of red liquid substance inside glass flask, conducting experiment in laboratory
Chest up slowmo of serious Caucasian chemist in face shield and lab coat conducting experiment in lab adding hydrogen peroxide and some black powder in test tube and watching chemical reaction
Slow-motion footage of a young chemist conducting an experiment in a lab
Female researcher conducting an experiment in lab
Waist up of concentrated African American male chemist in white lab coat and safety glasses observing chemical reaction in measuring cup and looking through microscope while working in lab
Scientist working with modern laboratory equipment in lab. Doctor conducting research. Researcher in lab. Lab worker wear safety glasses. Clinician doing scientific experiment. Chemical research
Laboratory worker preparing to perform experiment at lab. Close up of female scientist hands opening bottle with liquid and pouring into measuring cup. Pharmaceutical research at laboratory
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
Scientist in lab doing medical research. Laboratory worker pour liquid from flask to measuring cup. Scientist laboratory working with chemical liquids. Chemist working at chemistry laboratory