Woman scientist working on chemical analysis. Chemical liquid analysis. Lab woman mixing liquid in laboratory glassware. Assistant mixing liquid in test tube. Lab worker doing chemical test
lab tech pouring liquid
Pouring of liquid chemicals in a lab
lab tech pours liquid
Girl lab assistant stirs the liquid in a flask
Girl lab assistant stirs the liquid in a flask
Chemists analyzing test tubes with liquid in lab
Lab assistant with magnifying glass takes tube with red liquid to check condition in lab slow motion. Probe lens footage of experiment result closeup