200 free substance photos from Freerange

Crystals of potassium permanganate used in medicine and chemical reactions

A man is standing, holding a cigarette in his right hand. His hand is raised to his mouth as he takes a puff from the cigarette. The background is blurry, focusing solely on the man and his action.

A man with a cigarette in his mouth is smoking a cigarette, exhaling smoke. He is standing outdoors, holding the cigarette in between his fingers.

Chemistry of thin layer chromatography with plate, solvent and samples.

Science image for research and education.

Different colored inorganic chemical salts used in a chemistry lab.

A man is standing with his hands extended forward, covered in thick mud. His palms and fingers are visible, coated in earthy brown mud, creating a stark contrast with his skin.

A person is smoking a cigarette inside a room, surrounded by walls and furniture. The smoke from the cigarette fills the air as the person exhales. The room appears dimly lit, and the person is seated or standing.

Rubber stoppers.

A woman is shown holding a cigarette in her hand. She is standing in a casual pose, with the cigarette between her fingers.

Science image for research and education.

Spontaneous combustion reaction between potassium permanganate and glycerol

Hot plate with beaker and test tubes.

A person wearing a black hoodie is smoking a cigarette in this scene. The individual is holding the cigarette in their hand and exhaling smoke.

Cigarette with lighter

Different materials used to determine density. Including iron, copper, lead, cork, aluminum and plastic.

Science image for research and education.

ST. JOHN S, NEWFOUNDLAND AND LABRADOR, CANADA - JANUARY 17, 2020. Beer from the Split Rock brewing company, taken on July 28, 2013 in St. John s.

Bromine in a reagent bottle.

A glass jar filled with white powder sits atop a wooden table. The powder is neatly contained within the jar, reflecting the light on its surface.

Measured mass of iodine.

Combustion reaction using sucrose to produce caramel and steam.

A man is standing on a city street smoking a cigarette. He appears to be alone and is engrossed in his smoking activity, surrounded by the urban environment.

Equipment in a microbiology lab.

The image shows a body of water with a noticeable red substance dispersed in it. The water appears murky and the red hue stands out, possibly indicating pollution or a natural phenomenon.

Bacterial plate showing wells and bacteria.

A detailed close-up shot of a vibrant green substance, identified as algae, growing on a rock surface. The intricate patterns and textures of the algae are prominently displayed.

A body of water is shown containing a yellow substance floating on its surface. The water appears to be polluted or affected by some kind of chemical discharge, creating a visible and concerning contrast with its natural state.

Chemical reaction in a test tube

Bottle containing poison.

A person is shown pouring a substance from a container into a cup placed on the ground outdoors. The action captures the moment of transferring the liquid into the receptacle.

pH solution in test tubes.

Syringe, vial, and GC capillary column used for separating volatile molecules.

Smoke stack with blue sky

Reading the value from a hydrometer. Used for determining the specific gravity of liquids including beer.

Killing Bacteria and Viruses - Infectious Disease Treatment

A glass of water sits on a table next to a blue dumbbell weight, with a yellow substance nearby. The scene conveys a sense of hydration and exercise, with the contrasting colors adding visual interest.

Robotic arm with gears - Automation and artificial intelligence concept

A person is shown in the process of pouring something from a container into a bowl placed on a wooden table. The action captures the motion of the liquid or substance flowing down into the bowl.

A blue substance is seen floating in water on a white surface. The substance creates an interesting pattern as it moves through the water, creating a unique visual effect.

A macro shot of pink medicinal tablets in a blister pack, highlighting the healthcare and pharmaceutical industry

A glass jar filled with white powder sits atop a wooden table. The jar is transparent, showcasing the fine texture of the powder inside.

A table with one hundred pills scattered across the surface. The pills are various shapes, sizes, and colors, neatly arranged in rows and columns. The setting appears to be indoors, with a plain background.

Science image for research and education.

A person is holding a newspaper up to their face, obscuring their features. The person appears to be reading or looking at the content on the newspaper.

Chemical bottle showing damage from Bromine.

Different chemical glassware containing different colored solutions.

Science image for research and education.

Water being added to copper sulfate.

A detailed view showing a blue substance being dispersed and dissolved in clear water, creating intricate patterns and swirls. The vibrant blue color contrasts with the transparent water, showcasing the process of diffusion.