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"reagent"
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357 results found for reagent

crime expert is researching chemical in test tube in chemistry laboratory, portrait of male scientist

Close-up shot of hands of anonymous female laboratory employee in gloves adding pink chemical solution from tube to clear liquid in vial while performing diagnostic test on biochemical probe

Close-up vertical of hands of unrecognizable laboratory technician in gloves adding pink chemical reagent from tube to liquid in vial while performing in vitro diagnostic assay on biochemical probe

Chemist hands mixed substance of red color in test tubes. Doctor Pours red Chemicals Into In Flask. Close Up

Bottles of solutions stored on shelf in laboratory. Bottles with chemical solutions of NaOH, H2so4 and HNO3. Sulfuric acid, sodium hydroxide

Close-up no people shot of cell specimen on glass slide under microscope, and tip of pipette adding drops of nutritious substrate to sample, during biochemistry study in laboratory

Chemical reaction in flask. Female scientist carrying out scientific research. Scientist woman dropping reagent in glass flask. Lab woman pouring liquid for chemical experiment in laboratory

Researcher's Gloved Hand Dripping Liquid on Soil with Growing Seedlings

Woman chemist adding chemical reagent in pure liquid at glass flask. Close up of scientist hands put lab flask on table

worker chemist filling pouring test tube with liquid reagent flask Spbd. Closeup. drip liquid in a pipette with measuring numbers. concept chemistry, laboratory. pharmaceutical analysis

Russians develop chemical weapons

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

A canister with a dangerous liquid at the plant

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Teenagers In Of High School, Smart Girl Looking Through Microscope, Closeup Portrait

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

Blurry lady lab assistant puts test tube with red liquid sample on rack in hospital slow motion. Probe lens footage of medical researching macro view

A cistern at a chemical plant

A lab technician in glasses at a table dials liquid reagents from a vial into a syringe. Laboratory studies in the clinic.

Chemist mixing reagents and checking pH

Glass measure cup with orange liquid and three bottles near it

Medium side shot of African American male researcher in white lab coat studying specimen under microscope, adjusting focus, while Asian female colleague is working with reagents in background

Pipette adding fluid to one of several test tubes

Close-up low angle shot of gloved hands of female research scientist carefully adding drops of purple reagent in various concentration to liquid in sample tray, using pipette, during experiment

Equipment for testing and analyzing of drugs and medicines in chemical laboratory. experiment in the laboratory with special equipment

Laboratory technician mixes the reagent with liquid in flasks. Research of medicinal properties of plants. Natural cosmetics production

Lab testing of milk

Full high angle shot of Asian female employee of research chemical laboratory working on new synthetic compounds - typing on laptop, then walking over to flasks with liquids and adding reagent

Adding purple powder into flask with green solution close-up, making a mixture. Modern laboratory concept. Chemistry reaction and experiments, chemical researching.

Close-up of Caucasian female scientist in goggles, gloves adding drops of nutritional liquid to strand of green algae in test tube, while performing laboratory experiment in biology

Close-up shot of hands of anonymous male laboratory technician in gloves and white coat holding glass flask and adding drops of chemical reagent to pink liquid in test vials with pipette

Young employee conducting experiments in scientific laboratory with colored liquid and crystals

A light chemical laboratory with glass bottles

Close-up shot of hands of biochemical laboratory technician in gloves adding drops of chemical reagent to pink fluid in test vials with pipette from glass of blue solution

Medium low angle footage of Chinese female chemist carefully adding drops of reagent in different concentration to liquid in sample tray, using pipette, while working in laboratory

Young chemist adds reagent to tube in university lab

Chemical experience on black background, Fluorescent chemical reaction in flask

Woman working with flask in a laboratory

Scientist dropping the reagent into test tube for reaction testing in chemical laboratory

Medium portrait shot of young Chinese woman in white lab coat, goggles and gloves adding drops of reagent to test vial with long glass pipette, then looking at camera and smiling

Lab assistant with goggles drips blood into test tube with reagent in laboratory slow motion. Probe lens shot of medical examining extreme closeup

Laboratory studies with medicines. Stock footage. Test tubes with chemical elements with the observation of scientists and various reactions

Close-up footage of gloved hands of unrecognizable laboratory technician filling long glass bulb pipette with pink chemical reagent, adding to clear liquid in flask, then stirring in circular motion

Lab assistant prepares equipment and materials for scientific experiments on table in laboratory of pharmaceutical plant closeup slow motion

Researcher works with fluids in chemical laboratory

Waist-up shot of young Chinese female laboratory employee dropping pink chemical reagent into flask with clear solution and stirring in circular motion, while performing diagnostic probe

Scientist demonstrates starch combustion in lab

Asian woman scientist with protective goggles drips catalyzer into test tube with liquid in clinic slow motion. Probe lens shot of vaccine closeup

Forceps put substance into equipment. Stock footage. Chemist puts substance into equipment with forceps. Laboratory chemical and experiments

 
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