A scientist adds some water into an erlenmeyer flask
A man checking the hardness of the water in an erlenmeyers flask-the water is soft due to the blue color
Footage of testing the PH value of the water with an electric device
Laboratory glass Erlenmeyer conical flask filled with chemical white liquid for a chemistry experiment in a science research lab
Water purification test. Drop blue liquid in test tube with clean water. Scientist doing chemical experiment
Somebody pouring fresh water into an erlenmeyers flask
Chemist or medical research scientist adds fire to a violent chemical reaction. Chemical experience
Medium shot of blond female teacher in lab coat and curious schoolchildren looking at chemical reaction in classroom
LABORATORY EQUIPMENT CLOSE UP. 4K slider shot.
Time-lapse of a man checking the hardness of the water
A crazy scientist looking at two test tubes and shouting at somebody...
Female scientist pouring chemical reagent in lab flask. Closeup of woman scientist doing chemical reaction. Lab technician doing laboratory testing. Scientist hands doing laboratory research
Scientist doing chemical experiment, super slow motion, shot at 240fps
Chemical reaction in volumetric flask glass in laboratory. The chemical pink reagent in a transparent bottle. Chemical reaction
Practical chemical tests in school laboratory. Violent chemical reaction on a white background
Chemist or medical research scientist adds chemicals to a flask for a violent chemical reaction
Demonstration of liquid concentration changes
Chemist mixing chemicals in erlenmeyer flask, super slow motion
Lab doctor pouring transparent liquid in lab flask with pipette. Medical research in laboratory. Clinical trial in medical lab. Close up of lab worker pouring chemical liquid in flask
Female scientist mixing chemicals in erlenmeyer flask
Close up shot of a hand holding and mixing a test tube with red chemical in it
LAB STIRRER BEGINS TO SPIN. 4K close up in HLG 10 bit, 4:2:2.
A young scientist explaining content in test tubes, showing on a white wall and giving a thumbs up
LABORATORY BEAKER ELECTRICALLY STIRRED. 4K close-up with negative space.
Close up shot of a pink and a blue test tube, in a lab, being mixed by a scientist
A scientist putting some drops into an erlenmeyer flask
A scientist indicating that a man who works in a lab must wear protection glasses...
Scientist checking erlenmeyer flask with chemicals and writing results
The closed flask are standing on a shelf
A scientist in a lab mixes an Erlenemeyer flask with some blue content in it
A young scientist mixes chemicals in an erlenmeyer flask
A young scientist examining a test tube with a colorful substance