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Isopropyl alcohol (IUPAC name propan-2-ol and also called isopropanol or 2-propanol) is a colorless, flammable, organic compound with a pungent alcoholic odor. [9]Isopropyl alcohol, an organic polar molecule, is miscible in water, ethanol, and chloroform, demonstrating its ability to dissolve a wide range of substances including ethyl cellulose, polyvinyl butyral, oils, alkaloids, and natural ...
This type of water bath relies primarily on convection instead of water being uniformly heated. Therefore, it is less accurate in terms of temperature control. In addition, there are add-ons that provide stirring to non-circulating water baths to create more uniform heat transfer.
The Schuster Laboratory, University of Manchester (a physics laboratory). A laboratory (UK: / l ə ˈ b ɒr ə t ər i /; US: / ˈ l æ b r ə t ɔːr i /; colloquially lab) is a facility that provides controlled conditions in which scientific or technological research, experiments, and measurement may be performed.
Scanning probe microscopy (SPM) is a branch of microscopy that forms images of surfaces using a physical probe that scans the specimen. SPM was founded in 1981, with the invention of the scanning tunneling microscope, an instrument for imaging surfaces at the atomic level.
The duduk (/ d uː ˈ d uː k / doo-DOOK; Armenian: դուդուկ IPA:) [1] or tsiranapogh (Armenian: ծիրանափող, meaning "apricot-made wind instrument"), is a double reed woodwind instrument made of apricot wood originating from Armenia.
Ancient Greek casserole and brazier, 6th/4th century BC, exhibited in the Ancient Agora Museum in Athens, housed in the Stoa of Attalus. Two cooking pots (Grapen) from medieval Hamburg c. 1200 –1400 AD Replica of a Viking cooking-pot hanging over a fire Kitchen in the Uphagen's House in Long Market, Gdańsk, Poland
Triglyceride 3 NaOH / H 2 O Δ 3 × soap 3 × glycerol Triglycerides can be saponified with sodium hydroxide to give glycerol and fatty sodium salt or soap. Typical plant sources include soybeans or palm. Animal-derived tallow is another source. Approximately 950,000 tons per year are produced in the United States and Europe; 350,000 tons of glycerol were produced per year in the U.S. alone ...
Joseph Aoun (pictured) is elected president of Lebanon after a two-year vacancy.; An attack on the presidential palace in N'Djamena, Chad, results in 20 deaths.; A series of wildfires in Southern California, United States, leaves at least 16 people dead and forces the evacuation of nearly 180,000 others.