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Nitric acid: highly corrosive and toxic strong acid; used for the production of fertilizers, production of explosives, and as a component of aqua regia, as well as mixed acid for nitration of aromatic compounds Osmium tetroxide: in organic synthesis, is widely used to oxidise alkenes to the vicinal diols Oxalyl chloride
It became a public limited company in 1998. [8] The operations in Pakistan continue as Kohinoor Chemical Company (Pvt) Ltd, a separate company. [10] Orion Group bought the state owned Kohinoor Chemical Company (Bangladesh) Limited, a deal made possible by the close friendship of the group chairman with Prime Minister Khaleda Zia, in 1993. [11]
Hydrochloric acid, also known as muriatic acid or spirits of salt, is an aqueous solution of hydrogen chloride (HCl). It is a colorless solution with a distinctive pungent smell. It is classified as a strong acid. It is a component of the gastric acid in the digestive systems of most animal species, including humans.
It operates 12 factories in Bangladesh including Ashuganj Fertilizer and Chemical Company Limited in Brahmanbaria, Urea Fertiliser Factory Ltd in Ghorashal and Polash Urea Fertiliser Factory in Palash, Narsingdi. [7] The corporation has liabilities of 51.06 billion taka to state owned banks. [8] BCIC College is run by the corporation. [9]
The reagent for Group 1 anions is dilute hydrochloric acid (HCl) or dilute sulfuric acid (H 2 SO 4). Carbonates give a brisk effervescence with dilute H 2 SO 4 due to the release of CO 2, a colorless gas which turns limewater milky due to formation of CaCO 3 (carbonatation).
Notable companies Status: P=Private, S=State; A=Active, D=Defunct; Name Industry Sector Headquarters Founded Notes Status A K Khan & Company: Conglomerates - Chittagong: 1945 Textiles, logistics, water, financial services, telecoms, agriculture P A Aarong: Consumer goods Personal & household goods Dhaka: 1978 General retail P A Abul Khair Group ...
Acid–base extraction is a subclass of liquid–liquid extractions and involves the separation of chemical species from other acidic or basic compounds. [1] It is typically performed during the work-up step following a chemical synthesis to purify crude compounds [2] and results in the product being largely free of acidic or basic impurities.
Dakin's solution is a dilute solution of sodium hypochlorite (0.4% to 0.5%) and other stabilizing ingredients, traditionally used as an antiseptic, e.g. to cleanse wounds in order to prevent infection. [1] The preparation was for a time called also Carrel–Dakin solution or Carrel–Dakin fluid. [2]