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Hand of the scientist shows yellow sample solution was prepared in the NMR glass tubes for analysis by the NMR spectroscopy method. NMR solvent glass bottles, chloroform, pyridine, DMSO, D2O, and methanol.
Attractive lab experiments in school chemistry classroom
yellow oil on scientific glassware on white background. example lubricant oil for testing.
Test tubes.Blank medical test tubes. Extreme Close-Up,
chemistry laboratory with glassware and test tubes
Mobile laboratory inspection for outdoor environment, Water treatment lab test, science inspection concept, Scientist experimenting with water quality at wastewater treatment system.
Close up hand wear blue glove, holds test glass of Formaldehyde liquid with molecular formula CH2O. Concept, chemical substance, colorless, toxic, strong-smell and flammable
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Scientist is experimenting with chemicals.
The Erlenmeyer or Conical flask on bench laboratory, with colorful solvent solution from titration experiment. Parameter of acidity and alkalinity, acid-base analysis compounding in wastewater sample.
Military lab equipment
Phenol in old glass bottle on a sheet of paper with chemical formulae (selective focus)
Close-up of stirring multi-color liquid at beaker in laboratory.
Chromatography tube for separation of a mixture into its components. Used in chemical research, crime scene investigation and in chemistry class.
Color reagents in test tubes and flasks are on the table. Study chemistry. Natural Sciences. Desk. Classroom. Laboratory at the university. Biolaboratory. Science.
Research and development
Hand with gloves is holding purple liquid in a flask in front of gray background.
Potassium Chromate powder in test tube with molecular structure.
Atmospheric still life of laboratory equipment including a flask and test tube rack.
Symbolic chemical science
Retort stand and laboratory flask with liquid on table against blurred background, closeup
Reagent tube in chemical laboratory
A measuring beaker contiaining some red liquid
Scientific test tubes in a lab
triethanolamine in glass, chemical in the laboratory and industry
Biological Oxygen Demand (BOD) testing process in laboratory.
Scientific equipment in a lab
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