Acid Collection (page 9)

Copper mining and sulfuric acid plant, Copperhill, Tenn. Date 1939 Sept

Field Blewit (Lepista saeva) fruiting bodies, growing in acid grassland, Quantock Hills, Somerset, England, november

Weld (Reseda luteola) flowering, growing in mixed acid grassland and heathland habitat, Little Ouse Headwaters Project, Hinderclay Fen, Hinderclay, Suffolk, England, june

Raised bog habitat with birch and willow trees, Cors Caron, Ceredigion, Wales, october

Common Oak (Quercus robur) sapling, growing on acid grassland, Little Ouse Headwaters Project, Hinderclay Fen, Hinderclay, Little Ouse Valley, Suffolk, England, june

Raised bog habitat and old flooded peat diggings, Cors Caron, Ceredigion, Wales, october

View of upland peat bog habitat, Llyn Pen-cor-maen, Ceredigion, Wales, june

Shallow acid lake in bog habitat, Meenikunno Mstikukaitseala Reserve, Estonia, june

View of mixed acid grassland, heathland and deciduous woodland habitat, Little Ouse Headwaters Project, Hinderclay Fen, Hinderclay, Little Ouse Valley, Suffolk, England, june

Common Cranberry (Vaccinium oxycoccus) flowering, growing in upland peat bog, Ceredigion, Wales, june

White Spindles (Clavaria fragilis) fruiting bodies, growing in acid grassland, Quantock Hills, Somerset, England, november

Golden Waxcap (Hygrocybe chlorophana) fruiting bodies, growing in acid grassland, Quantock Hills, Somerset, England, november

Blackening Waxcap (Hygrocybe nigrescens) fruiting bodies, in various stages, growing in acid grassland, Quantock Hills, Somerset, England, november

Bone resorption. Computer artwork of an osteoclast (green, bone-removing cell) destroying a piece of bone. This process, known as bone resorption

MEMS production, chemical etching
MODEL RELEASED. MEMS production. Clean room technicians using chemical etching processes to produce MEMS (microelectromechanical systems) devices

Throat pain. Conceptual computer artwork of a man with a sore throat (represented by the red area). A sore throat can be caused by bacterial or viral infections

Picric acid explosive molecule
Picric acid explosive, molecular model. Atoms are represented as spheres and colour-coded: carbon (grey), hydrogen (white), nitrogen (blue) and oxygen (red)

Egg chemical reaction, 19th century
Egg chemical reaction. The reaction uses hydrochloric acid which reacts with the calcium carbonate in the egg shell to produce the white foam seen here (due to the carbon dioxide produced)

Invisible writing, 19th century
Invisible writing. Etching of invisible writing being carried out using sodium hypochlorite (then known as Javelle water or Javel water), an alkaline disinfectant more commonly known as bleach

The Sulphur Cave, New Zealand
The Sulphur Cave at the Wai-O-Tapu (Sacred Waters) Thermal Wonderland Park, near Rotorua, on North Island in New Zealand

Normal soil
Soil testing. A pH meter testing the acidity or alkalinity of soil. Farmers and gardeners use pH meters to determine the level of acidity in soil to assess its suitability for different plants

The Champagne Pool, New Zealand
The Champagne Pool at the Wai-O-Tapu (Sacred Waters) Thermal Wonderland Park, near Rotorua, on the North Island, in New Zealand

Acid soil
Soil testing. A pH meter showing the acidity of soil. Farmers and gardeners use pH meters to determine the pH level of soil to assess its suitability for different plants

Chemical crystals, historical artwork
Chemical crystal, historical artwork. Early 20th Century colour plate showing crystals of various chemicals, including some acids

Orange battery. Copper (orange) and zinc (silver) electrodes have been inserted into an orange and connected to wires to produce electricity. The voltmeter (top) is showing the voltage generated

Tomato battery
Lemon battery. Copper (orange) and zinc (silver) electrodes have been inserted into a lemon and connected to wires to produce electricity. The voltmeter (top) is showing the voltage generated

Digital pH measurement

Sulphur deposits, Hawaii
Sulphur deposits. Sulphur deposits (yellow) on volcanic rock. Photographed in the Hawaii Volcanoes National Park, Hawaii, USA

Sulphur deposits. Rising steam and sulphur deposits (yellow) on volcanic rock. Photographed in the Hawaii Volcanoes National Park, Hawaii, USA

Propanoic acid molecule
Propanoic acid, molecular model. Propanoic acid, also called propionic acid, is a carboxylic acid. It is used as a preservative and in the production of plastics, pesticides and pharmaceuticals

Pelargonic acid molecule
Pelargonic acid, molecular model. Pelargonic acid, also called nonanoic acid, is a carboxylic acid. It is found naturally in a number of plants including Pelargoniums

Formic acid molecule
Formic acid, molecular model. Formic acid, also called methanoic acid, is the simplest of the carboxylic acids. It is found naturally in the venom of ant and bee stings

Capric acid molecule
Capric acid, molecular model. Capric acid, also called decanoic acid, is a carboxylic acid. It is found naturally in the milk of a number of mammals

Caprylic acid molecule
Caprylic acid, molecular model. Caprylic acid, also called octanoic acid, is a carboxylic acid. It is found naturally in the milk of a number of mammals

Butyric acid molecule
Butyric acid, molecular model. Butyric acid, also called butanoic acid, is a carboxylic acid. It has an unpleasant smell and acrid taste

DNA molecule, computer artwork. DNA (deoxyribonucleic acid) is composed of two strands twisted into a double helix. DNA contains sections called genes, which encode the bodys genetic information

Valeric acid molecule
Valeric acid, molecular model. Valeric acid, also called pentanoic acid, is a carboxylic acid. It has a very unpleasant odour

Caproic acid molecule
Caproic acid, molecular model. Caproic acid, also called hexanoic acid, is a carboxylic acid. It has an odour reminiscent of barnyard animals

DNA damage, computer artwork
Computer artwork of a DNA broken into small fragments, depicting damaged DNA, DNA repair, DNA double-strand breaks and chromosomal damage

Soil pH meter in a plant pot. A pH meter shows the alkalinity or acidity of a substance. Farmers and gardeners use these meters to assess a soils suitability for different plants

17th century lecture by Nicolas Lemery
17th century chemistry lecture. Artwork showing local people attending a chemistry lecture by the French chemist Nicolas Lemery (1645-1715)

Chloride chemistry

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"Exploring the Effects of Acid: From Porthgain Lime Workings to Chemistry Laboratories" The Porthgain lime workings in Pembrokeshire, West Wales, stand as a testament to the historical significance in extracting limestone for various purposes. A slice of Canyon Diablo meteorite reveals the powerful impact that they can have on celestial bodies, shaping their composition and structure over millions of years. Rust treatment is just one example of how they can be harnessed for practical applications, preserving and restoring metal surfaces with their corrosive properties. The creatine amino acid molecule showcases the intricate nature of organic compounds influenced by acids, playing a crucial role in muscle function and energy production. Unveiling an unexpected connection between suffragette history and acid, militant attacks on golf courses during protests shed light on unconventional methods employed by activists fighting for women's rights. Acid rain has deeply eroded the limestone pavement above Malham Cove, leaving behind clints (lumps) and grykes (gaps), which provide unique habitats for rare plants like hart's tongue ferns. Forestry workers utilizing forwarder machines demonstrate how acid-free environments are essential when removing felled timber from Dunwich Forest to preserve its natural balance. The Murchison CM2 carbonaceous chondrite meteorite holds valuable insights into our understanding of early solar system chemistry and the role that acids played in its formation. Stepping back in time to 19th-century chemistry laboratories unveils vintage equipment used to study acids' properties - a testament to humanity's continuous exploration into this fascinating realm. Victoria College's Alexandria Chemistry Laboratory stands as a hub where young minds delve into experiments involving various types of acids, fostering scientific curiosity among future chemists. "From Cellar to Bar" captures the transformative power of acidic fermentation processes involved in brewing and winemaking, where sugars are converted into alcohol, creating delightful beverages.