Medium Vertical Of Chinese Female Chemist In White Coat Goggles Gloves Adding Reagent To Chemical Solution In Vial Holding It Up Checking For Reaction Or Residue While Performing AssayÂ
Medium footage of Chinese female scientist in white coat, goggles, gloves adding drops of reagent to chemical solution in vial, holding it up, checking for reaction or residue, while conducting tests
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Close-up footage of hand of anonymous male chemist in glove and white coat adding drops of chemical reagent to pink solution in test vials in rack with pipette
Chemical reaction in lab flask. Close up of female chemist hands doing chemical experiment in beaker. Chemist adding chemical reagent in pure liquid at conical flask. Chemical research
Chemist or medical research scientist adds chemicals to a flask for a violent chemical reaction
Tilt up shot male chemist in protective coveralls, respirator mask, goggles and gloves using pipette and dropping liquid solution into flask, then looking at chemical reaction
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Medium vertical of young Chinese postgraduate student looking at purple solution in retort on stand in laboratory, checking for reaction or residue, writing in checklist on clipboard
Chemical reaction in volumetric flask glass in laboratory. The chemical pink reagent in a transparent bottle. Chemical reaction
Chemical reaction in volumetric flask glass in laboratory. The chemical pink reagent in a transparent bottle. Chemical reaction
Chemical reaction in volumetric flask glass in laboratory. The chemical pink reagent in a transparent bottle. Chemical reaction
Chemical reaction in volumetric flask glass in laboratory. The chemical pink reagent in a transparent bottle. Chemical reaction
Chemist or medical research scientist adds fire to a violent chemical reaction. Chemical experience
Chemist or medical research scientist adds fire to a violent chemical reaction. Chemical experience