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Phosphorus is an essential macromineral for plants, which is studied extensively in edaphology to understand plant uptake from soil systems. Phosphorus is a limiting factor in many ecosystems; that is, the scarcity of phosphorus limits the rate of organism growth.
Phosphorus condenses to a liquid below about 280°C and then solidifies (to the white phosphorus allotrope) below about 44°C (depending on purity). This same essential reaction is still used today (but with mined phosphate ores, coke for carbon, and electric furnaces). Brand's process yielded far less phosphorus than it could have.
1669: Discovery of phosphorus by Hennig Brand in Hamburg [105] 1706: Prussian blue by Heinrich Diesbach in Berlin [106] 1717: Johann Heinrich Schulze used a light-sensitive slurry to capture images of cut-out letters on a bottle, sometimes seen as the start of photography [107] [108] 1724: Temperature scale Fahrenheit by Daniel Gabriel ...
Here, millions of people come together to share the most surprising, obscure, and fascinating facts they’ve just discovered. Some change how we see the world, while others are simply ...
From fascinating bite-size tidbits about science, to celebrities, history, and the plain weird and bizarre. The “Today I Learned” (TIL) page is a go-to corner of the internet, where a whopping ...
Most phosphate mining is of sedimentary phosphorite, a phosphorus-rich deposit formed under shallow marine conditions. However, a number of US phosphate deposits occur where the original marine-deposited phosphate minerals have been concentrated by weathering and redeposition, often under nonmarine conditions.
History is full of interesting stories that often go unnoticed. This Instagram account brings them to light, sharing some of the most fascinating facts and photos from the past. The post 40 ...
The history of fertilizer has largely shaped political, economic, and social circumstances in their traditional uses. Subsequently, there has been a radical reshaping of environmental conditions following the development of chemically synthesized fertilizers .