List of articles in "Chemical Substance" category - Page 1034

Hydrogen sulfide (British English: hydrogen sulphide but this spelling is not recommended by the International Union of Pure and Applied Chemistry nor the Royal Society of Chemistry) is the chemical […]

Pentlandite is an iron-nickel sulfide (FeNi)9S8. Pentlandite has a narrow variation range in Ni:Fe but it is usually described as having a Ni:Fe of 1:1. It also contains minor cobalt […]

Alpha-Linolenic acid α-Linolenic acid (ALA) is an essential omega-3 fatty acid and organic compound found in seeds (chia flaxseed see also table below) nuts (notably walnuts) and many common vegetable […]

Ulexite (NaCaB5O6(OH)6•5(H2O)) (hydrated sodium calcium borate hydroxide) sometimes known as TV rock is a mineral occurring in silky white rounded crystalline masses or in parallel fibers. The natural fibers of […]

Pyrochlore (NaCa)2Nb2O6(OHF) is a solid solution between the niobium end member (pyrochlore) and the tantalum end member (microlite).

Columbite also called niobite niobite-tantalite and columbate [(Fe Mn)Nb2O6] is a black mineral group that is an ore of niobium. It has a submetallic luster and a high density and […]

Calcium oxide (CaO) commonly known as quicklime or burnt lime is a widely used chemical compound. It is a white caustic alkaline crystalline solid at room temperature. The broadly used […]

n-Heptane is the straight-chain alkane with the chemical formula H3C(CH2)5CH3 or C7H16. When used as a test fuel component in anti-knock test engines a 100% heptane fuel is the zero […]

Polyethylene glycol (PEG) is a polyether compound with many applications from industrial manufacturing to medicine. The structure of PEG is (note the repeated element in parentheses):H-(O-CH2-CH2)n-OHPEG is also known as […]

Octane is a hydrocarbon and an alkane with the chemical formula C8H18 and the condensed structural formula CH3(CH2)6CH3. Octane has many structural isomers that differ by the amount and location […]