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  • 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|Fe<sub>2</sub>O<sub>3</sub>]] + 3 C → 4 [[Iron|Fe]] + 3 CO<sub>2</sub>
    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 (1,632 words) - 13:38, 26 August 2023
  • 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 (1,319 words) - 21:09, 20 March 2023
  • 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]], FePO<sub>4</sub>:
    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
  • Kipp's apparatus
    * [[Hydrogen]]: [[zinc]], [[iron]] or another metal with a middle level of reactivity (solid reagent); any a * [[Ammonia]]: calcium oxide (solid reagent); a solution of ammonium chloride (liquid reagent);
    5 KB (748 words) - 17:38, 7 June 2019
  • Barium ferrate
    ...ution of ferrate can be made by melting [[potassium nitrate]], [[iron(III) oxide]] and [[potassium hydroxide]] together, then grinding the cooled melt in a
    6 KB (717 words) - 16:43, 30 July 2023
  • Solubility
    | style="text-align:center;"| Barium oxide | style="text-align:center;"| Calcium oxide
    294 KB (29,405 words) - 09:50, 15 August 2016
  • Density
    | style="text-align:center;"| Nitric oxide (gas) | style="text-align:center;"| Nitrous oxide (gas)
    174 KB (19,350 words) - 20:07, 13 March 2024
  • Antimony
    |oxidation states comment=(an amphoteric oxide) ...e in air at room temperature, but will burn in air to give [[antimony(III) oxide]]:
    11 KB (1,484 words) - 12:19, 18 October 2019
  • Cadmium
    |oxidation states comment= (a mildly basic oxide) Cadmium metal resists corrosion in open air by forming a protective oxide layer on its surface, a property similar to that of the metal above, [[zinc
    10 KB (1,433 words) - 20:07, 6 September 2022
  • Barium nitrate
    If barium nitrate is heated in an atmosphere of nitric oxide, barium nitrite (Ba(NO<sub>2</sub>)<sub>2</sub>) results: ...paste consists of barium nitrate, aluminium + magnesium powders (sometimes iron), pressed together with a glue. The barium nitrate can be extracted by diss
    6 KB (746 words) - 15:14, 18 November 2023
  • Manganese
    |right= [[Iron]] ...It has a density of 7.21 g/cm<sup>3</sup>, being slightly less dense than iron.
    9 KB (1,257 words) - 13:15, 11 August 2020
  • Zirconium
    |oxidation states comment=(an amphoteric oxide) ...), and its boiling point is 4371 °C (7900 °F). Zirconium is lighter than iron, with a density of 6.52 g/cm<sup>3</sup>.
    9 KB (1,214 words) - 00:11, 27 November 2018
  • Niobium
    |oxidation states comment=(a mildly acidic oxide) ...nt. In the presence of air, the surface of the metal develops a protective oxide coating, giving the metal a blueish color.
    9 KB (1,225 words) - 20:57, 16 October 2022
  • Cobalt
    |left=[[Iron]] |oxidation states comment=(an amphoteric oxide)
    9 KB (1,164 words) - 21:41, 30 December 2015
  • Molybdenum
    |oxidation states comment=(a strongly acidic oxide) ...bulk oxidation occurring at over 600 °C. Molybdenum trioxide is the main oxide that forms:
    10 KB (1,285 words) - 16:21, 11 February 2021
  • Ruthenium
    |above=[[Iron|Fe]] |oxidation states comment=(a mildly acidic oxide)
    9 KB (1,171 words) - 02:12, 3 December 2021
  • Topical Compendium: Elements
    == [[Iron]] == ...sciencemadness.org/whisper/viewthread.php?tid=5650 Preparation of Ammonium iron (III) sulphate (ferric alum)]
    16 KB (1,869 words) - 16:27, 13 March 2024
  • Magnesium hydroxide
    ...ntacids and laxatives; it interferes with the absorption of folic acid and iron. The antacid properties come from the hydroxide ions which are responsible *Make magnesium oxide
    6 KB (801 words) - 17:13, 13 March 2024
  • Nickel(II) sulfate
    ...sub>·6H<sub>2</sub>O. This blue-coloured solid is analogous to [[Ammonium iron(II) sulfate|Mohr's salt]], Fe(NH<sub>4</sub>)<sub>2</sub>(SO<sub>4</sub>)<s Nickel sulfate can be made by reacting [[nickel(II) oxide]] or [[nickel(II) hydroxide]] powder with [[sulfuric acid]]. The product is
    8 KB (987 words) - 21:21, 1 October 2023
  • Fehling's solution
    If the test is positive, a brick-red precipitate of [[Copper(I) oxide]] indicates the redox reaction. The solution usually turns various shades o ...st is indicated by a green suspension and a red precipitate of [[Copper(I) oxide]].
    4 KB (522 words) - 00:28, 25 May 2019
  • Solubility chart
    !Oxide |'''Iron(II)'''
    3 KB (475 words) - 12:03, 19 May 2018
  • Powder
    ...r bulk form. Extremely finely powdered [[iron]] is pyrophoric, while bulk iron is less reactive. [[Osmium]] and [[iridium]] are also a good example, in th ...ng the salt of said metal (like soluble mercury salts) with a metal like [[iron]].<ref>https://www.youtube.com/watch?v=AzNnQ4O8BTY&t=4m37s</ref>
    8 KB (1,217 words) - 18:13, 22 December 2022
  • Mercury(II) sulfate
    It can also be made by reacting mercuric oxide with concentrated [[sulfuric acid]]. ...solution is corrosive to many metals, such as [[aluminium]], [[copper]], [[iron]] (most steels), [[lead]], [[magnesium]], [[zinc]], etc.
    6 KB (670 words) - 20:53, 10 April 2020
  • Kanthal
    '''Kanthal''' is the trademark for a family of [[iron]]-[[chromium]]-[[aluminium]] (FeCrAl) alloys, widely used in electric resis ...[[silicon]], 0-0.4% [[manganese]], 0-0.08% [[carbon]], with the rest being iron.<ref>http://kanthal.com/en/products/material-datasheets/strip/kanthal-a-1/<
    2 KB (248 words) - 12:55, 10 September 2016
  • Nichrome
    ...ypically consists of 80% [[nickel]] and 20% [[chromium]], with traces of [[iron]] and other metals. This alloy is also known as '''NiCrA'''. Nichrome resists corrosion and oxidation, mainly by forming a protective oxide layer. It is resistant to molten alkalis, however hot acids will slowly cor
    2 KB (299 words) - 12:35, 26 July 2019
  • Ferrate
    ...nstable ferric acid H<sub>2</sub>FeO<sub>4</sub>, a compound of hexavalent iron. The anion FeO<sub>4</sub><sup>2-</sup> is a very strong oxidizer that rea ...able when anhydrous but disproportionate rapidly in water into iron +6 and iron +3.
    4 KB (526 words) - 19:19, 6 February 2020
  • Crucible
    ...lloys, platinum-group or refractory metals) or certain oxides ([[aluminium oxide|alumina]], quartz, zirconia), carbides ([[tungsten carbide]]), nitrides (al Excellent for melting metals with high melting point up until iron. Displays excellent thermal shock resistance. Prolonged use will cause its
    4 KB (529 words) - 20:26, 14 August 2023
  • Hydroxylamine
    Reaction with [[copper(II) oxide]] gives [[nitrous oxide]]: Reduction of [[nitric oxide]] with tin(II) chloride in hydrochloric acid at 0 °C will also yield hydr
    8 KB (1,041 words) - 16:34, 30 December 2023
  • Steel
    '''Steel''' is the most common [[iron]]-[[carbon]] alloy, widely used in construction and other common applicatio ...r chemist, steel is the cheapest and readily available form of elemental [[iron]].
    7 KB (1,131 words) - 14:21, 9 September 2020
  • Sodium dichromate
    ...he solution to neutralize all remaining acids and precipitate a mixture of iron and chromium hydroxides, which are then filtered and washed. The washed mix ...route involves melting a mixture of sodium hydroxide with [[chromium(III) oxide]], with [[sodium nitrate]].
    5 KB (658 words) - 21:38, 23 May 2019
  • Sodium cyanide
    ...luminium is just not reactive enough to initiate the reaction, while using iron powder will give [[Prussian blue]]. It would appear that this reaction actu
    10 KB (1,481 words) - 13:28, 10 July 2022
  • Barium perchlorate
    Can be prepared by reacting [[perchloric acid]] with [[barium oxide]], hydroxide or [[barium carbonate|carbonate]]. The resulting barium perchl Barium perchlorate, like other perchlorates, can be reduced with elemental [[iron]] in the absence of air under UV light to [[barium chloride]], which in ter
    6 KB (631 words) - 19:36, 9 September 2023
  • Metalware
    ...lders, they are used to hold various metal rods and extension clamps, like iron rings or other utility clamps. Generally made of stainless steel, brass, al ...lding the burette without scratching it. Often made of aluminium, but cast iron is also used.
    13 KB (2,034 words) - 08:43, 5 May 2019
  • Reactivation of calcinated oxides
    ...omium(III) oxide]] can give chromate or dichromate, while with [[iron(III) oxide]] will give ferrate. ...fluorides are almost insoluble in water, dissolving large amounts of inert oxide will take forever. And since working with hydrofluoric acid is very dangero
    3 KB (504 words) - 19:38, 5 February 2020
  • Peroxide forming chemicals
    ...ke wise, chemicals that form peroxides at high temperatures (like [[barium oxide]]) or other extreme/unique conditions are also not included here. *[[Lead(IV) oxide]]<ref>F. R. Fisher, R. A. Baxter, ''Mines Mag.'' (1940), 447</ref>
    13 KB (1,730 words) - 14:06, 9 August 2023
  • Iron(II) chloride
    | Name = Iron(II) chloride | IUPACName = Iron(II) chloride
    4 KB (487 words) - 15:59, 23 December 2018
  • Reducer
    ...es, thiosulfates, salts of transition metals in low oxidation states (e.g. iron (II) sulfate) *''Oxides'': [[carbon monoxide]], [[nitric oxide]], [[sulfur dioxide]]
    2 KB (181 words) - 21:43, 29 April 2018
  • Chromium(III) chloride
    | OtherCompounds = [[Iron(III) chloride]] Chromium chloride hexahydrate can be obtained by reacting chromium oxide, hydroxide or plain chromium metal with conc. hydrochloric acid.
    5 KB (542 words) - 21:34, 7 May 2020
  • Sodium amide
    *[[Ethylene oxide]] synthesis
    5 KB (631 words) - 01:20, 30 August 2020
  • Glass
    ...sition metal oxides are added, like iron oxides, cobalt oxide or manganese oxide, the glass becomes colored. ...ilica glass''': the most common form of glass, consists of silica + sodium oxide (Na<sub>2</sub>O) + lime (CaO) + magnesia (MgO) + alumina (Al<sub>2</sub>O<
    8 KB (1,291 words) - 21:56, 30 December 2023
  • Metal casting
    Ferrous metals (iron, cobalt, nickel) require high temperatures to melt, which can be achieved u ...will not fume significantly during the smelting operation, but may release oxide particles in air, which are very toxic if inhaled.
    8 KB (1,320 words) - 19:04, 23 July 2020
  • Magnet
    ...size and magnetization. For example, a 1-pound 2"x2"x1" block of neodymium-iron-boron alloy, when fully magnetized, can lift over 500 pounds (227 kg) of we ===Neodymium-iron-boron magnets===
    5 KB (670 words) - 10:51, 26 December 2022
  • Zamak
    ..., 3.5-4.3% Al, 0.75-1.25 Cu, 0.03-0.08% Mg and traces of other metals like iron or tin. ...inium does not dissolve in HNO<sub>3</sub> and precipitates as [[aluminium oxide]], while copper dissolves, giving the solution a blueish color. Pure zinc d
    4 KB (591 words) - 16:05, 6 October 2019
  • Mohs scale of mineral hardness
    | [[calcium fluoride|fluorite]], [[iron]], [[nickel]] | [[silicon dioxide|fused quartz]], iron pyrite, [[silicon]], [[ruthenium]], [[iridium]], [[tantalum]], opal, perido
    5 KB (595 words) - 16:06, 10 June 2023
  • Hexavalent chromium
    *[[Chromium(VI) oxide peroxide]] ..., sodium/potassium/ammonium sulfite/thiosulfate/bisulfite/metabisulfite, [[iron(II) sulfate]] are very effective, and being readily available and cheap, ar
    4 KB (528 words) - 17:56, 21 February 2019
  • Amalgam
    With the exception of [[iron]], [[platinum]], [[tantalum]], [[tungsten]], elemental mercury dissolves mo ...ll slowly react with oxygen to generate a very brittle mass of [[aluminium oxide]] fibers.<ref>https://www.youtube.com/watch?v=IrdYueB9pY4</ref> This amalga
    7 KB (1,009 words) - 22:21, 15 September 2022
  • Oleum
    ...ncentrated sulfuric acid. SO<sub>3</sub> is prepared from the pyrolysis of iron sulfates or pyrosulfate salts. ....php?tid=8923 The Synthesis of Sulfur Trioxide and Oleum: the vanadium (V) oxide-catalyzed method]
    5 KB (725 words) - 22:50, 20 January 2020
  • Barium peroxide
    | OtherCompounds = [[Barium oxide]] ...xide can be made by the reversible reaction of O<sub>2</sub> with [[barium oxide]]. The peroxide forms around 500 °C and oxygen is released above 820 °C.
    5 KB (530 words) - 17:04, 13 February 2022
  • Sodium chromate
    | OtherNames = Chromic acid, disodium salt<br>Chromium disodium oxide<br>Rachromate Can be prepared by roasting [[chromium(III) oxide]] in air in the presence of [[sodium carbonate]]:
    6 KB (735 words) - 21:39, 23 May 2019
  • Dimethyl dioxane
    Another route involves passing [[propylene oxide]] through a layer of bentonite with acidic centers. Reaction takes place in ...'s possible to neutralize the dissolved peroxides. Reducing agents, like [[Iron(II) sulfate|ferrous sulfate]], [[sodium bisulfite]] or [[sodium metabisulfi
    7 KB (865 words) - 16:40, 4 September 2019
  • Alcohol catalyzed alkali metal production
    ...ainer, and then washed with a hydrocarbon or ether to remove the magnesium oxide impurities. The resulting sodium metal still has some magnesium metal impur ...n iron or a magnetic stainless steel rod could also be used as stirrer, as iron alloys don't react with hot alkali hydroxides or molten alkali metals at su
    18 KB (2,804 words) - 20:34, 17 September 2022
  • Thermate
    ...s of a mixture of very fine [[aluminium]] metal [[powder]] and [[iron(III) oxide]], but also has in its composition elemental [[sulfur]] and [[barium nitrat The aluminium and iron oxide powders are mixed thoroughly, and most compositions can even be mixed in a
    2 KB (233 words) - 22:04, 8 December 2020
  • Sodium nitroprusside
    ...e decomposes to sodium ferrous ferrocyanide, sodium ferrocyanide, [[nitric oxide]], and [[cyanogen]] at temperatures around 450 °C. [[Category:Iron compounds]]
    4 KB (393 words) - 19:26, 31 December 2020

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