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Page title matches

• Iron(III) oxide
  | Name = Iron(III) oxide | IUPACName = Iron(III) oxide
  7 KB (977 words) - 15:31, 26 August 2023
• Iron(II,III) oxide
  | Name = Iron(II, III) oxide | IUPACName = Iron(II) iron(III) oxide
  5 KB (604 words) - 14:34, 18 November 2023

Page text matches

• Dioxane
  | OtherCompounds = [[Dimethyl dioxane]]<br>[[Ethylene oxide]]<br>[[Tetrahydrofuran]] *Purification of metallic [[sodium]] from sodium-magnesium oxide aggregate
  6 KB (732 words) - 16:20, 18 July 2019
• Acetic acid
  Acetic acid is mildly corrosive to metals including [[magnesium]], [[iron]] and [[zinc]], forming [[hydrogen]] gas and metal acetates. ...m]] forms a [[Passivation|passivating]] acid-resistant film of [[aluminium oxide]], aluminium tanks are used to transport acetic acid.
  11 KB (1,554 words) - 14:43, 18 November 2023
• Benzene
  ...ides in the presence of a Lewis acid, (anhydrous [[aluminium chloride]], [[iron(III) chloride]]), process known as [[Friedel–Crafts reaction]]. The same result can be achieved using [[calcium oxide]] and [[benzoic acid]]. The decarboxylation method tends to produce [[biphe
  9 KB (1,157 words) - 18:53, 13 February 2023
• Bis(ethylenediamine)copper(II) perchlorate
  ...nearly tenfold increase in volume from the starting material, [[copper(II) oxide]]. It is quite soluble in water. ...olution during this synthesis by the addition of an excess of [[copper(II) oxide]] to dilute perchloric acid. A detailed preparation can be found [http://wo
  4 KB (482 words) - 10:01, 19 November 2017
• Aluminium chloride
  ...ing as HCl is lost leaving [[aluminium hydroxide]] or alumina ([[aluminium oxide]]): ...s as grainy, oily beads which are often yellow due to even the smallest of iron impurities.
  6 KB (716 words) - 18:37, 7 February 2024
• Carbon
  |oxidation states ref=(a mildly acidic oxide) :2 [[Iron(III) oxide|Fe₂O₃]] + 3 C → 4 [[Iron|Fe]] + 3 CO₂
  14 KB (1,993 words) - 22:25, 26 August 2023
• Arsenic
  ...ually some metal) in nitric acid, leaving behind a residue of arsenic(III) oxide and reducing this to the element. ...l structure effectively trapping the arsenic atoms in a lattice of cobalt, iron and sometimes nickel. Other ores such as arsenopyrite, realgar and orpiment
  11 KB (1,599 words) - 15:37, 20 September 2018
• Chromium(III) sulfate
  ...is accompanied with the release of carbon dioxide, in a manner similar to iron, which does not form carbonates. ...I) oxide]]. It should be noted, however, that many grades of chromium(III) oxide are not reactive enough, often as a result of being calcined, to respond to
  6 KB (795 words) - 16:52, 6 November 2018
• Cleaning glassware
  ===Metal and metal oxide traces=== ===Rust and iron deposits===
  11 KB (1,909 words) - 21:41, 2 December 2018
• Copper(II) chloride
  [[Copper(II) oxide]] or hydroxide can be used instead of copper metal. ...h with another more reactive metal, such as [[iron]] or [[zinc]] to form [[iron(II) chloride]] or [[zinc chloride]] which are less toxic, before being disp
  7 KB (962 words) - 11:44, 25 June 2023
• Diethyl ether
  | OtherNames = 3-Oxapentane; Diethyl oxide; Dether; Ethyl ether; Ethyl oxide; Ethoxyethane; Solvent ether; Sweet oil of vitriol ...l ether to dryness due to the trace amounts of peroxides formed over time. Iron, copper, ferrous salts, and sulfites are known to inhibit the formation of
  11 KB (1,651 words) - 20:26, 15 May 2024
• Diisopropyl ether
  | OtherNames = 2-Isopropoxypropane<br>Diisopropyl oxide<br>Isopropyl ether ...'s possible to neutralize the dissolved peroxides. Reducing agents, like [[Iron(II) sulfate|ferrous sulfate]], [[sodium bisulfite]] or [[sodium metabisulfi
  6 KB (711 words) - 20:05, 9 November 2018
• Electronic recycling
  Silver can be extracted from depleted silver oxide batteries, or other electronic components like keyboard mylar sheets, varis ...taining copper ions can be reduced to metallic copper with iron, resulting iron solutions which are much less toxic that the copper ones. The copper can be
  8 KB (1,320 words) - 21:07, 15 May 2024
• Chlorine
  |oxidation states comment=(a strongly acidic oxide) ...o formation of hydrates which are irreversible, and decompose to the metal oxide and HCl gas upon heating.
  13 KB (1,873 words) - 17:48, 8 November 2023
• Gold
  |oxidation states comment=(an amphoteric oxide) ...here is visible corrosion of the metal, and traces of gold flakes and gold oxide can be observed in the alkali melt. Small amounts of metallic [[sodium]] ha
  12 KB (1,713 words) - 20:30, 20 March 2023
• Manganese dioxide
  | IUPACName = Manganese(IV) oxide | ImageCaption = Manganese(IV) oxide
  7 KB (902 words) - 14:54, 18 November 2023
• Methyl ethyl ketone
  ...Journal of Organic Chemistry, Vol. 47 (14), (1982), p. 2790 - 2792]</ref> Iron(III) nitrate on kieselguhr can also be used instead of permanganate, though ...a catalyst made from aluminum oxide, molybdenum(VI) oxide and [[copper(II) oxide]], at 230 °C will yield butanone.<ref>[http://www.google.co.ve/patents/US2
  11 KB (1,468 words) - 18:42, 27 May 2023
• Neodymium
  |oxidation states comment=(a mildly basic oxide) ...if stored improperly. Its most common use is in high-strength [[Neodymium iron boron magnet|neodymium magnets]]. As a tripositive ion, neodymium has unusu
  11 KB (1,483 words) - 21:03, 12 August 2020
• Neodymium oxalate
  ...a usable neodymium compound, it must first be calcined to [[neodymium(III) oxide]]. ...order the yellow or green color of the precipitate should leach away. The iron is chelated into a vivid, emerald green complex in solution, and the neodym
  5 KB (538 words) - 15:21, 10 July 2019
• Nickel
  |oxidation states comment=(a mildly basic oxide) ...ts that is [[Ferromagnetism|ferromagnetic]] at or near room temperature ([[iron]], [[cobalt]], and [[gadolinium]] being the others). Its [[Curie point|Curi
  11 KB (1,500 words) - 12:03, 25 June 2023
• Nitric acid
  ...c acid will form a protective layer on the surfaces of some metals, like [[iron]], [[cobalt]], [[chromium]], [[nickel]], and [[aluminium]], which prevents
  12 KB (1,686 words) - 11:53, 23 September 2023
• Oxide
  An '''oxide''' is a type of chemical which contains oxygen bonded to another element. T ...oxoacid anions. Some common examples are [[chromium trioxide|chromium(VI) oxide]], which forms [[chromic acid]] when dissolved, and [[chromate]]s with many
  3 KB (417 words) - 14:49, 9 July 2018
• Phosphoric acid
  | OtherNames = Orthophosphoric acid<br>Trihydroxylphosphine oxide ...other surfaces. The phosphoric acid changes the reddish-brown [[iron(III) oxide]] to [[ferric phosphate]], FePO₄:
  9 KB (1,223 words) - 00:12, 29 March 2020
• Proper disposal of chemicals
  ...ls is to convert solutions of their ions to the insoluble [[carbonate]] or oxide, often one of the most stable and nontoxic forms of these elements, prior t ...be reduced with [[iron]] to elemental copper, that can be reused, and the iron salts produced are less toxic.
  347 KB (46,057 words) - 20:09, 13 March 2024
• Paramagnetism
  ...agnetic materials include [[aluminium]], [[oxygen]], [[titanium]] and iron oxide (FeO).
  1,017 B (137 words) - 22:42, 2 February 2019
• Oxalic acid
  ...acid and heat the flask in a water bath. The reaction will yield nitrogen oxide fumes, so it's best performed outside or in a fume hood. Stop the heating a *Make pyrophoric [[iron]]
  8 KB (1,006 words) - 15:03, 18 November 2023
• Sulfur trioxide
  | OtherNames = Sulfur(VI) oxide<br>Sulfuric anhydride ...e, sulfur dioxide and sulfur trioxide. The same reaction also works with [[iron(III) sulfate]], at a much lower temperature, 480 °C, and produces mostly s
  11 KB (1,598 words) - 23:45, 25 August 2020
• Tellurium
  |oxidation states comment=a mildly acidic oxide ...nd [[potassium hydroxide]] solutions but not in water. It corrodes copper, iron, and stainless steel in its molten state. It reacts with oxygen in air, hyd
  10 KB (1,403 words) - 19:15, 30 August 2020
• Tetrahydrofuran
  ...de<br>Furanidine<br>Oxacyclopentane<br>Tetrahydro-furan<br>Tetra-methylene oxide<br>THF ...or salt of silver or mercury, such as [[silver acetate]] or [[mercury(II) oxide]] can also be used<ref>[https://books.google.ro/books?id=by05kNKm_xYC&pg=PA
  8 KB (1,134 words) - 13:57, 4 April 2020
• Sulfuric acid
  ...ss but often has a very light yellow color when slightly contaminated with iron or carbon from organic matter like dust. Even very small amounts of dissolv ...heating, and you'll have green murky acid contaminated with chromium (III) oxide and chromium sulfate) that will work as an azeotrope breaker. Add the H<sub
  27 KB (4,285 words) - 21:31, 9 September 2023
• Thermite
  ...action are the oxide of the metal powder, and pure metal produced from the oxide. A sufficiently reactive metallic reducer and metal oxide oxidizer are required for a thermite.
  4 KB (682 words) - 18:56, 2 January 2023
• Holmium
  |oxidation states comment=(a basic oxide) ...strongly. It is paramagnetic, enough to be visibly lifted by a [[Neodymium iron boron magnet|neodymium magnet]]. Its trivalent salts show dramatic color ch
  10 KB (1,332 words) - 21:44, 27 March 2019
• Tris(ethylenediamine)nickel perchlorate
  ...ylenediamine)nickel perchlorate can be prepared by dissolving [[nickel(II) oxide]], hydroxide, or carbonate in [[perchloric acid]] and then adding ethylened Residual perchlorates can be destroyed by adding metallic [[iron]] under UV light, in the absence of air.<ref>[https://books.google.ro/books
  5 KB (581 words) - 17:35, 26 September 2020
• Iron(II) sulfate
  | Name = Iron(II) sulfate | IUPACName = Iron(II) sulfate
  7 KB (960 words) - 14:51, 18 November 2023
• Iron(III) oxide
  | Name = Iron(III) oxide | IUPACName = Iron(III) oxide
  7 KB (977 words) - 15:31, 26 August 2023
• Hydrogen
  |oxidation states comment=(an amphoteric oxide) ...lly, [[aluminium]], [[magnesium]] or [[zinc]] are used for this process. [[Iron]] is sometimes used. The addition of excess metal to acid or vice-versa wil
  12 KB (1,718 words) - 19:25, 30 November 2022
• Iron(II,III) oxide
  | Name = Iron(II, III) oxide | IUPACName = Iron(II) iron(III) oxide
  5 KB (604 words) - 14:34, 18 November 2023
• Iron
  |image name comment=Two easily available iron sources, with very different surface areas: Steel wool and railroad spikes. |name=Iron
  14 KB (2,062 words) - 22:51, 26 August 2023
• Iron(III) chloride
  | Name = Iron(III) chloride | IUPACName = Iron(III) chloride
  8 KB (1,071 words) - 14:38, 18 November 2023
• Lab suppliers
  ...though the label on the container said zinc, the contents turned out to be iron powder. This resulted in a lot of wasted time and reagents when a reaction ...tity is one pound, except for various expensive materials such as europium oxide and silver nitrate.
  21 KB (3,057 words) - 21:32, 19 March 2024
• Samarium
  |oxidation states comment=(a mildly basic oxide) ...ng a piece on a styrofoam block on water and pulling it with a [[Neodymium iron boron magnet|neodymium magnet]].
  11 KB (1,587 words) - 20:36, 26 December 2022
• Sodium azide
  ...It is usually mixed with either [[silicon dioxide|silica]] and [[iron(III) oxide]] so purification is required. ...ared via "Wislicenus process", by reacting [[sodium amide]] with [[nitrous oxide]]. Sodium amide is prepared by reacting metallic sodium with anhydrous [[am
  6 KB (762 words) - 00:44, 31 December 2021
• Safe handling and storage of chemicals
  ...eir use. Beryllium metal will slowly oxidize in open air to form beryllium oxide, which is easy to scrape off the metal and get airborne. If inhaled, beryll ..., as ether also contains traces of water, which will consume the sodium. [[Iron(II) sulfate]] can also be added to neutralize the peroxides. [[Sodium hydro
  48 KB (5,818 words) - 20:11, 13 March 2024
• Chromium
  ...comment=(depending on the oxidation state, an acidic, basic, or amphoteric oxide) ...e unreactive. It tends to form a thin passivation layer of [[chromium(III) oxide]], which prevents further oxidation. [[Nitric acid]] can enhance this passi
  10 KB (1,312 words) - 18:17, 30 August 2020
• Copper
  |oxidation states comment=​(a mildly basic oxide) ...often appears dull. Older pieces may be coated with the black [[copper(II) oxide]]. It has extremely high conductance of both heat and electricity.
  16 KB (2,353 words) - 12:11, 25 June 2023
• Copper(II) carbonate
  ...nd [[carbon dioxide]]. Heating of copper(II) carbonate yields [[copper(II) oxide]] (CuO) and [[carbon dioxide]].
  5 KB (692 words) - 16:46, 30 June 2021
• Copper(II) nitrate
  ...ed by heating, as this will decompose the salt, leaving black [[copper(II) oxide]] and will give off nitrogen dioxide and nitric acid fumes. Copper nitrate can be reduced with iron or zinc to elemental copper, which is less harmful. Solutions should never
  7 KB (939 words) - 21:35, 1 October 2023
• Copper(II) sulfate
  ...t 650˚C, it will [[Thermal decomposition|decompose]] to form [[copper(II) oxide]] and [[sulfur trioxide]]. It emits an emerald green color in a [[flame tes ...like oxide, hydroxide or carbonate with sulfuric acid. Keep adding copper oxide until all the acid has been consumed, filter the solution then recrystalliz
  9 KB (1,199 words) - 22:07, 26 August 2023
• Phenol
  ...rm from aqueous phenol solutions and certain metal ions. Most notably, the iron(III) ion forms a deep purple complex with phenol, similar to its [[salicyli ...(Raschig–Hooker process), direct oxidation of [[benzene]] with [[nitrous oxide]], oxidation of toluene with air or the reaction of a strong base with benz
  10 KB (1,312 words) - 21:33, 5 March 2024
• Potassium ferrate
  ...pound, reacts with all acids, evolving oxygen and precipitating iron (III) oxide or hydroxide. Reactions in solution with strong acids like sulfuric acid ar ...on electrodes. In the hypochlorite method, hydroxide or salts of trivalent iron are oxidized with hypochlorites in solution. Here is an example reaction:
  11 KB (1,555 words) - 17:28, 30 November 2022