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Potassium permangate, copper sulphate and sodium chloride salts combusting in Bunsen burner flame
Technician's hand with green protective glove holding test tube with clear liquid and using universal indicator paper to measure pH of the solution by dipping the pH paper into a solution and observing the change in color of the paper in chemical laboratory.
Police investigation of fingerprint on a knife, concept image
rigorous stage of pasteurization and care of breast milk donated to the milk bank
Ready for pets' home medical care
Smoke coming from an extinguished wood match. Black background ... Copy space.
A number of wooden burned matchsticks isolated on a white background
Female scientists wearing Chemical protective suites and PPE collect samples of toxic water to test by mobile lab test, examining wastewater from Industrial, and environment
Colored fire caused by an element. Lithium causes a carmine red color.
Nuts and bolts
Expert in criminology through magnifying glass examines a bullet case
A young Caucasian woman working in a laboratory with petri dishes and other laboratory equipment
Multiple items from a real Forensic Investigation kit all isolated on white.
Sedation with Nitrous Oxide. Laughing Gas. Dentist. Dentistry Office.
Home water testing kit (Pb) for lead or pesticide contamination of domestic drinking water.
Unrecognizable person in a military laboratory
22 carat gold bracelet with isolated white background
Laboratory vials and equipment used to collect environmental soil samples impacted by volatile organic compounds. This method is applicable to the quantitative determination of volatile organic compounds in soil and other solids when appropriately sampled and extracted with methanol.
Criminal police officer investigates phone involved in crime lab bombing, conceptual image
Petri dishes with bacteria culture samples in microbiology laboratory
Closeup chemical ingredient on white laboratory table. Potassium Ferricyanide in test tube with molecular structure.
Internal circuit of old transistor radio
product photo of diy tools close up cut off on background
Close up of copper samples in laboratory on quality control
Chemist's hand with green protective glove holding test tube with clear liquid and using pH paper to determine acidic, alkaline, or neutral of the solution by dipping the pH paper into a solution and observing the change in color of the paper in chemical laboratory.
Laboratory assistant in protective gloves places the biomaterial into the straw for the embryo for the subsequent vitrification procedure
Disclosure of forensic evidence using fingerprint powders.
vacuum component with electrical feedthrough
Specialized police taking shows hairs in microscope holder to analyze in scientific laboratory, conceptual image
Close up of unrecognizable scientist performing chemical tests in lab
Free Images: "bestof:Tools for Testing Arson Samples (14629943352).jpg Shown here are the tools for testing arson samples using NIST's new PLOT capillary method Clockwise from top"
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