• Thumbnail for Schweizer's reagent
    Schweizer's reagent is a metal ammine complex with the formula Cu(NH3)4(H2O)2](OH)2. This deep-blue compound is used in purifying cellulose. This salt...
    7 KB (739 words) - 09:56, 19 August 2024
  • Matthias Eduard Schweizer (8 August 1818 – 23 October 1860) was a Swiss chemist who in 1857 invented Schweizer's reagent, in which cellulose can be dissolved...
    6 KB (665 words) - 01:45, 2 August 2022
  • Thumbnail for Tetraamminecopper(II) sulfate
    [Cu(NH3)4(H2O)]2+ (tetraammineaquacopper(II) cation). It is closely related to Schweizer's reagent, which is used for the production of cellulose fibers in the production...
    5 KB (410 words) - 02:22, 13 August 2024
  • reaction of cold solutions of Schweizer's reagent—a source of copper(II)—and hydrogen peroxide.. The Schweizer's reagent used must not contain excess ammonia...
    4 KB (280 words) - 15:38, 22 June 2024
  • Thumbnail for Cuprammonium rayon
    fiber made from cellulose dissolved in a cuprammonium solution, Schweizer's reagent. It is produced by making cellulose a soluble compound by combining...
    7 KB (533 words) - 12:36, 15 November 2023
  • its production, the cellulose is combined with copper and ammonia (Schweizer's reagent). Due to the detrimental environmental effects of this production...
    47 KB (5,222 words) - 04:46, 13 August 2024
  • Schweizer's reagent Peter Schweizer (born 1964), American author Schweizer brothers (Paul, William, and Ernest), brothers and founders of Schweizer Aircraft...
    1 KB (177 words) - 18:45, 28 April 2024
  • Thumbnail for Copper(II) hydroxide
    octanoic acid: Copper(II) hydroxide in ammonia solution, known as Schweizer's reagent, dissolves cellulose. This property led to it being used in the production...
    14 KB (1,393 words) - 04:01, 13 August 2024
  • Thumbnail for Metal ammine complex
    ammine complex known as Schweizer's reagent ([Cu(NH3)4(H2O)2](OH)2) is sometimes used to solubilise the polymer. Schweizer's reagent is prepared by treating...
    16 KB (1,787 words) - 12:15, 19 July 2024
  • Thumbnail for Copper(II) sulfate
    with ammonium hydroxide yields tetraamminecopper(II) sulfate or Schweizer's reagent which was used to dissolve cellulose in the industrial production...
    28 KB (2,433 words) - 23:10, 16 August 2024
  • Thumbnail for Tea bag
    made of cellulose or plastic? Cellulose/plastic separation by using Schweizer's reagent and analysis based on a sample of tea bags". Process Safety and Environmental...
    15 KB (1,612 words) - 21:16, 16 July 2024
  • (CODRh(PPh3)2+) Schultze reagent (KClO3 / HNO3) Schweinfurter Green (Cu(OAc)2·3Cu(AsO2)2) Schwartz's reagent (Cp2Zr(H)Cl) Schweizer's reagent ([Cu(NH3)4(H2O)2](OH)2)...
    11 KB (852 words) - 15:53, 23 April 2024
  • Thumbnail for Copper compounds
    Benedict's reagent and Fehling's solution the presence of the sugar is signaled by a color change from blue Cu(II) to reddish copper(I) oxide. Schweizer's reagent...
    14 KB (1,500 words) - 21:26, 19 August 2024
  • Thumbnail for Cellulose
    carbon disulfide in the presence of alkali. Other agents include Schweizer's reagent, N-methylmorpholine N-oxide, and lithium chloride in dimethylacetamide...
    55 KB (5,223 words) - 18:55, 29 July 2024
  • Thumbnail for Ammonium
    forming Schweizer's reagent. CuSO4(aq) + 4 NH3(aq) + 4 H2O → [Cu(NH3)4(H2O)2](OH)2(aq) + H2SO4(aq) Ammonia or ammonium ion when added to Nessler's reagent gives...
    20 KB (2,099 words) - 01:59, 25 July 2024
  • Thumbnail for Copper
    Benedict's reagent and Fehling's solution the presence of the sugar is signaled by a color change from blue Cu(II) to reddish copper(I) oxide. Schweizer's reagent...
    121 KB (13,773 words) - 19:46, 16 August 2024
  • Thumbnail for Season cracking
    the aqueous solution of copper(II) oxide in ammonia is known as Schweizer's reagent.[clarification needed] Although the problem was first found in brass...
    3 KB (398 words) - 08:48, 15 November 2021
  • 17-electron species and five-coordinate 19-electron species. Examples: Schweizer's reagent. d10 Often tetrahedral complexes limited to form 4 additional bonds...
    14 KB (1,701 words) - 03:27, 4 October 2023
  • Thumbnail for Vereinigte Glanzstoff-Fabriken
    cuprammonium process for spinning fibers from cotton dissolved in Schweizer's reagent. Despeissis died in 1892 and his patent was not renewed. Max Fremery...
    33 KB (4,092 words) - 00:35, 18 March 2024
  • cuprammonium process for spinning fibers from cotton dissolved in Schweizer's reagent. Despeissis died in 1892 and his patent was not renewed. In 1891...
    9 KB (1,019 words) - 21:41, 7 October 2023
  • Thumbnail for Hermann Pauly
    1002/cber.19480810510. The cuprammonium process for making rayon using Schweizer's reagent had been patented in 1890 by the French chemist Louis Henri Despeissis...
    9 KB (922 words) - 18:17, 1 January 2024
  • Thumbnail for Johann Urban
    cuprammonium process for spinning fibers from cotton dissolved in Schweizer's reagent. Despeissis died in 1892 and his patent was not renewed. In 1891...
    7 KB (747 words) - 03:18, 10 October 2023
  • several groups advocating for drug safety through education have made reagent testing products available to confirm what substances there are. LSD is...
    34 KB (3,288 words) - 18:05, 23 June 2024
  • be used to convert diazonium salts to chlorobenzenes using copper-based reagents. Owing to high cost of diazonium salts, this method is reserved for specialty...
    16 KB (1,804 words) - 21:38, 3 June 2024
  • separation, including crystallization, chromatography, and the use of various reagents. Without a chiral influence (for example a chiral catalyst, solvent or...
    15 KB (1,826 words) - 18:39, 29 July 2024
  • Thumbnail for Tetracycline antibiotics
    Members of the tetracycline class of antibiotics are often used as research reagents in in vitro and in vivo biomedical research experiments involving bacteria...
    44 KB (4,647 words) - 08:45, 6 May 2024
  • Thumbnail for Organobismuth chemistry
    these complexes first began receiving significant attention when Grignard reagents and organolithium compounds became available. Triorganobismuth(III) compounds...
    18 KB (1,867 words) - 19:00, 12 May 2024
  • channel. Reagent volume is controlled by the flow rate of the perpendicular reagent channel. An early challenge for such systems is that reagent droplet...
    211 KB (23,773 words) - 00:12, 10 June 2024
  • also based on the presence of polyphenols – include the Folin-Ciocalteu reagent, and the Trolox equivalent antioxidant capacity assay. Klemchuk, Peter...
    93 KB (10,234 words) - 13:41, 13 August 2024
  • Thumbnail for Janus particles
    with varnish and chemically treating the other hemisphere with a silane reagent. This method resulted in a particle with equal hydrophilic and hydrophobic...
    56 KB (6,688 words) - 12:25, 17 July 2024