alkali purification
21Ammonia — For other uses, see Ammonia (disambiguation). Ammonia …
22Chlorine production — This article presents the industrial and laboratory methodologies to prepare elemental chlorine. Contents 1 Gas extraction 1.1 Mercury cell electrolysis 1.2 Diaphragm cell electrolysis (Bipolar) …
23chlorine — chlorinous, adj. /klawr een, in, klohr /, n. a halogen element, a heavy, greenish yellow, incombustible, water soluble, poisonous gas that is highly irritating to the respiratory organs, obtained chiefly by electrolysis of sodium chloride brine:… …
24Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr …
25Alum — This article is about the chemical compound. For other uses, see Alum (disambiguation). Bulk alum Alum (  / …
26petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
27Manganese(IV) fluoride — IUPAC name manganese tetrafluoride Other names manga …
28soap and detergent — ▪ chemical compound Introduction substances that, when dissolved in water, possess the ability to remove dirt (detergent) from surfaces such as the human skin, textiles, and other solids. The seemingly simple process of cleaning a soiled… …
29Francium — radon ← francium → radium Cs ↑ Fr ↓ Uue …
30Ion exchange — Ion exchanger Ion exchange resin beads …
