Bieszczady National Park Bieszczady National Park (Polish: Bieszczadzki Park Narodowy) is located in the southernmost portion of Poland, it is one of the country’s largest national parks. It…
Melanterite: Properties and Occurrences Melanterite is a mineral form of hydrous iron(II) sulfate: FeSO4·7H2O. It is a widespread green, a mostly fibrous mineral composed of hydrated ferrous sulfate. It is…
Sulfur – a Chemical Element Sulfur belongs to the chalcogen family. It is a chemical element with the symbol S and atomic number 16. It is a nonmetallic chemical element…
Bieszczady Mountains Bieszczady Mountains (bʲɛˈʂt͡ʂadɨ) (Polish: Bieszczady; Slovak: Beščady; Ukrainian: Бещади; Hungarian: Besszádok) is a mountain range located in southeastern Poland with over 400 km of hiking…
Stratospheric Sulfur Aerosol The importance of sulfur in the Earth’s atmosphere and the environment is well established. Stratospheric sulfur aerosols are sulfur-rich particles which exist in the stratosphere region…
Boron Trioxide Boron trioxide is one of the oxides of boron. It is a glass-like solid or white powder with the chemical formula B2O3. It is a…
Isovaleric Acid Isovaleric acid (C5H10O2), also known as β-methylbutyric acid or more commonly 3-Methylbutanoic acid is an organic compound with the formula (CH3)2CHCH2CO2H. It is a natural…
Boric Acid Boric acid (also known as hydrogen borate or orthoboric acid) is a weak, monobasic Lewis acid of boron. It naturally occurs in the environment. It…
Butanoic Acid Butanoic acid (C4H8O2) is a carboxylic acid with the structural formula CH3CH2CH2CO2H, also known as Butyric acid (from Ancient Greek: βούτῡρον, meaning “butter”). It is…
Nitrous Acid Nitrous acid (molecular formula HNO2) is a weak acid that exists only in solution. It can form water-soluble nitrites and stable esters. It is useful…
Carbon – a Chemical Element Carbon is a chemical element with symbol C and atomic number 6. It is a nonmetallic chemical element in Group 14 (IVa) of the periodic…
Boronic Acid A boronic acid is a compound related to boric acid in which one of the three hydroxyl groups is replaced by an alkyl or aryl…