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85 free test tube photos from Freerange
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Test tube containing sucrose
Combustion reaction using sucrose to produce caramel and steam.
Thin layer chromatography
Chemistry of thin layer chromatography with plate, solvent and samples.
Robotic arm with gears - Automation and artificial intelligence
Robotic arm with gears - Automation and artificial intelligence concept
Test Tube in a Beaker on a Hot Plate
Hot plate with beaker and test tubes.
Chemical reaction forming lead iodide.
Lead iodide reaction
Three different beakers
Beaker containing a solution.
Person adding chemicals to a flask
Flask, pipet and hand.
STEM Education concept - Chemistry
Education concept - Little scientists children is looking at erlenmeyer flask containing chemicals to perform experiments in the laboratory, Beaker on the side table.
Nurse performing a nasal swab test on a patient
A nurse in protective gear carefully administering a swab test to a seated male patient
Child amazed by science
Childhood education concept - Girl look at the microscopes in the laboratory. Little scientist in the laboratory is examining the sample in test tube.
Female Medical Doctor Analyzing DNA strands
Female Medical Doctor Analyzing DNA strands
Gas chromatography equipment
Syringe, vial, and GC capillary column used for separating volatile molecules.
Silver chromate reaction
Lead chromate chemical reaction.
Colorful test tube shaped flower vases
Colorful test tube shaped flower vases pink, white, violet and yellow flowers in front of white background
Chemistry
Test tubes in a beaker.
Centrifuge tubes and pipette
Centrifuge tubes with pipette.
Combustion reaction using sucrose
Combustion reaction using sucrose to produce caramel and steam.
Empty test tubes in a beaker
Test tubes in a glass beaker.
A beaker
Beaker containing a solution.
Nurse preparing to perform a COVID-19 test
A focused healthcare worker with gloves holding a swab and test tube for coronavirus testing
Scientist is checking and analyzing a cannabis sativa experiment
A scientist is checking and analyzing a cannabis sativa experiment , hemp plant for herbal pharmaceutical cbd oil in a laboratory
LIttle girls is excited about science. STEM education.
Early childhood education concepts - Students interested in experimenting with chemistry by submitting a test tube in front with a smile, scientists.
Chemistry
Chemical reaction in a test tube
Chemical glassware - bottles and test tubes
Black and white image of bottles containing an acid and base along with test tubes.
Colored solutions in test tubes
Test tubes in a glass beaker.
Inorganic chemicals
Different colored inorganic chemical salts used in a chemistry lab.
Chemistry
Chemical reaction in a test tube
Chemical Science with Transition Metals
Transition metals with periodic table.
Chemistry
Dropping solution into container
Swabs and loops
Microbiology swabs, loops and needles for inoculating cultures in a solution of disinfectant.
Educational concepts - Little boy poured water in flask.
Educational concepts and scientists - Little boy poured water in a test tube in a laboratory. Happy child with bigger chemistry isolated on white background.
Chemistry
Test tubes in a beaker.
Centrifuge Tubes
Rotating centrifuge with sample containers in it.
Injecting a sample
Injecting a sample using a syringe into a gas chromatography instrument.
Separatory funnels
Separatory funnels for chemical separations.
Colorful test tube shaped flower vases
Colorful test tube shaped flower vases pink, white, violet and yellow flowers in front of white background
Research lab
Scientist using microscope in laboratory with test tube background. Medical healthcare technology and pharmaceutical research and development concept
Scientists in laboratory conducting experiment with a blood sample
Scientists in the laboratory conducting analyzing, experiment with a blood sample, testing chemical reaction for the production of vaccines against Coronavirus disease COVID-19.
Little scientists children is looking at erlenmeyer flask. STEM.
Education concept - Little scientists children is looking at erlenmeyer flask containing chemicals to perform experiments in the laboratory, Beaker on the side table.
Funny kid with chemistry equipment
Educational concepts and science - Smile little girl scientist wear glasses and stood with a microscope. Isolated lab background. Learning and development in childhood.
Diverse group of students in protective eyewear
Diversity group of students in protective eyeglasses in science class doing chemical experiment in laboratory. Girl mixing chemistry in test tube. learning and education concept
Chemistry
Chemical reaction in a test tube
Tubes
Laboratory test tubes.
Centrifuge tubes
Micro-centrifuge tubes in a rack.
Chemical reaction
Silver chromate chemical reaction
Laboratory Concept - With Copyspace
Laboratory Concept - With Copyspace
Test Tubes Online Represents Mobile Phone And Analysis 3d Render
Test Tubes Online Meaning Mobile Phone And Analysis 3d Rendering
Test tubes in a beaker
A black and white image of test tubes in a beaker.
Colored inorganic chemical salts
Different colored inorganic chemical salts used in a chemistry lab.
Science experiment with plant
Science experiment with plant leaves in laboratory
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