Alkaline Collection (page 2)

Soap Boilers 1827
" The soap boiler makes the article called soap, which is composed of an oil and an alkaline salt, for the purpose of washing linen, the hands, and othe domestic operations". Date: 1827

CTF-012
California, Sierra Nevada Mountains, Tufa formations reflecting in Mono Lake. (Large format sizes available)

Illustration of a alkaline solution

Picture No. 10885036
Salar de Atacama - second biggest salt lake in the world and small alkaline lagunas situated on the foothills of the Andes at dusk with full moon Date:

Picture No. 10885035
Salar de Atacama - second biggest salt lake in the world and small alkaline lagunas situated on the foothills of the Andes in late evening light Date:

View of soda lake habitat, Lake Nakuru, Lake Nakuru N. P. Great Rift Valley, Kenya, January
View of soda lake habitat, Lake Nakuru, Lake Nakuru N.P. Great Rift Valley, Kenya, January

Acid rain, lime spread over wetland, to reduce acidity, Sweden

Acid rain, helicopter lime spreading, to reduce acidity in rivers and wetlands, Sweden

Acid rain, helicopter filling up for lime spreading, to reduce acidity in rivers and wetlands, Sweden

Glass beakers indicating blue for weak alkali level, green for strong alkali level, and red for weak acidity level

Glass of cranberry juice

Used batteries C018 / 0048
A pile of used batteries

Historical iron corrosion samples C016 / 2040
Historical iron corrosion samples. Series of glass tubes with 70-year-old samples of iron under different conditions, demonstrating the effect on corrosion. The years vary between 1907 and 1910

Sample of sodium made by Davy C016 / 3670
Sodium. Sample of metallic sodium made by Sir Humphrey Davy in 1807. This was made by the electrolysis of molten sodium hydroxide

Nevada. USA. Moon over alkali playa at dawn. Railroad Valley. Great Basin

Utah. USA. Pressure ridges in salt crust. Bonneville Salt Flats. Silver Island Mountains in distance. Great Salt Lake Desert. Great Basin

Spotted Lake, Osoyoos, British Columbia, Canada

Brunners glands in the duodenum
Brunners glands. Fluorescence confocal light micrograph of a section through a human duodenum (small intestine) showing Brunners glands (blue)

Corrosion test. Nails being tested for corrosion (blue spots). They are in a petri dish containing agar (brown). A chemical indicator called ferroxyl has been used to test for the presence of

Electrical batteries. Collection of electrical batteries. Batteries are chemical systems designed to store and slowly release electrical energy

Electrical power sources. Collection of different sources of electrical power. At lower centre are different types of batteries

Soda crystals. These are used as a domestic cleaner

Selection of common household alkalis

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

Lake Mono at sunset. This lake in California, USA, is an important habitat for species of bird. In the mid-20th century the lakes tributaries were diverted to support the growth of Los Angeles

Tufa towers at Lake Mono, California, USA. Tufa is a mineral deposit formed by the precipitation of calcium salts from water saturated with bicarbonates

Tufa towers at Lake Mono, California, USA. Tufa is a mineral deposit formed by the precipitation of calcium salts from water saturated with bicarbonates

Battery power. Blue flash at the positive pole of a standard a battery, representing the flow of energy from the battery when in use

Litmus solution added to alkali
Litmus solution being added to an alkali. Litmus is an indicator, a chemical that has a different colour depending on whether it is in an acidic or alkaline environment. In alkalis it is purple/blue

Magpie ink cap fungus (Coprinus picaceus). This fungus prefers alkaline soils. Photographed in woodland on the North Downs, Kent, UK, in October

Mono Lake Tufa State Natural Reserve, California. Usa. Tufa Formations & Mono Lake
MONO LAKE TUFA STATE NATURAL RESERVE, CALIFORNIA. USA. Tufa formations & Mono Lake below Sierra Nevada. Mono Basin

Cooking Pool - in Maori Ngararatuatara was used for cooking sweet corn and other delicacies
MAB-789 Cooking Pool - in Maori Ngararatuatara was used for cooking sweet corn and other delicacies Te Puia Thermal Reserve Whakarewarewatanga Thermal Valley - Rotorua - New Mark Boulton Please note

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Alkaline: Unveiling the Wonders of Nature's Chemistry Lake Natron in northern Tanzania showcases nature's alkaline marvels, with its high pH levels and vibrant ecosystem. Witness the mesmerizing reaction of sodium with water, a captivating display of alkalinity in action. Lesser flamingos gracefully indulge in their favorite pastime - feeding on the abundant algae found in Lake Bogoria, Kenya, an alkaline paradise for these magnificent birds. Behold from above as a colossal flock of Lesser Flamingos adorns the landscape like a breathtaking painting, against the backdrop of an aerial view that leaves you spellbound. An aerial perspective reveals a road leading to a bauxite tailings dam, reminding us how human activities intersect with natural elements such as alkalinity. Delve into history through chromolitho images capturing Sir Humphry Davy's groundbreaking discoveries related to alkali metals and their properties. Etchings immortalize Humphrey Davy's contributions to science, showcasing his experiments and findings that unraveled the mysteries behind alkaline substances. Engravings bring forth vivid portraits of Humphrey Davy himself, forever etching his name as one of the pioneers who unveiled the secrets hidden within alkalis. Tufas on Mono Lake in California stand tall as testaments to nature's artistry shaped by alkaline-rich waters over centuries – an awe-inspiring sight worth exploring. Africa beckons us with Ol Doinyo Lengai volcano looming above vast flocks amidst patterns formed by yellow algae – an extraordinary blend where fiery heat meets serene alkalinity. From majestic landscapes to scientific breakthroughs and intriguing wildlife encounters, explore the world through an "alkaline" lens and discover nature's fascinating chemistry at play.