Microsoft Word - WaterChemistry

321 History Lime as building material was used since prehistoric times going as far back as 7000 to 14000 BC. The first dated li ...

322  Calcium hypochlorite (Ca(OCl) 2 ) is used as a swimming pool disinfectant, as a bleaching agent, as an ingredient in deodo ...

323 These ions enter a water supply by leaching from minerals within an aquifer. Common calcium-containing minerals are calcite ...

324 This precipitation (formation of an insoluble solid) is principally caused by thermal decomposition of bi-carbonate ions but ...

325 Other studies have shown weak correlations between cardiovascular health and water hardness. Some studies correlate domestic ...

326  A Clark degree (°Clark) or English degrees (°e or e) is defined as one grain (64.8 mg) of CaCO 3 per Imperial gallon (4.55 ...

327 Hard/Soft Classification Because it is the precise mixture of minerals dissolved in the water, together with the water's pH ...

328 The temperature of the water when it first exits the well is often significantly lower than the temperature inside the build ...

329 Carbon-Allotrope Carbon is ordinarily classified as a nonmetal although it has some metallic properties and is occasionally ...

330 charged water contaminants. Carbon filtering is commonly used for water purification, but is also used in air purifiers. Car ...

331 Characteristics Chemical Like other groups, the members of this family show patterns in its electron configuration, especial ...

332 ...

333 Iron Iron is a chemical element with the symbol Fe (from Latin: ferrum) and atomic number It is a metal in the first transi ...

334 Among its organometallic compounds is ferrocene, the first sandwich compound discovered. Iron plays an important role in bio ...

335 As the iron passes through the Curie temperature there is no change in crystalline structure, but there is a change in "doma ...

336 Any further fusion of nickel-56 consumes energy instead of producing energy, so after the production of nickel-56, the star ...

337 The oxidation states and other bonding properties are often assessed using the technique of Mössbauer spectroscopy. There ar ...

338 Ferrocene is an extremely stable complex. The first sandwich compound, it contains an iron (II) center with two cyclopentadi ...

339 Oxygen.......................................... Oxygen is a chemical element with symbol O and atomic number 8. Its name de ...

340 Structure At standard temperature and pressure, oxygen is a very pale blue, odorless gas with the molecular formula O 2 , in ...