turn of the century chemist taking notes from a chemical 4k
chemist is working with reagents and chemicals in laboratory, taking samples from test tubes and mixing in plate
Close-up of working with chemicals in laboratory. Stock footage. Mixing of biochemical liquids for laboratory tests. Chemist mixes
Close-up of working with chemicals in laboratory. Stock footage. Mixing of biochemical liquids for laboratory tests. Chemist mixes
Close-up of chemist weighing substance in laboratory. Stock footage. Special scales for chemicals in laboratory. Laboratory weighing of
Close-up of chemist weighing substance in laboratory. Stock footage. Special scales for chemicals in laboratory. Laboratory weighing of
female chemist is working with chemicals in laboratory, taking samples from test tubes and mixing under microscope
A lot of bottle with chemicals. Stock footage. Small bottles with chemical formulas and substances. Chemical compositions of bottles in
Woman scientist or chemist wearing glasses and lab coat doing laboratory tests adding a chemical mixture to a test tube and noting the color change.
Gloved hand of chemist sitting by workplace in laboratory and taking flask with liquid out of stand while studying its chemical characteristics during research
Chemical experiment. Stock footage. Young scientists in the laboratory deduce chemical reactions in special devices.
Flasks and people in chemical laboratory. Stock footage. Specialized chemical laboratory with doctors and latest equipment. Professional