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  2. 2,3,3,3-Tetrafluoropropene - Wikipedia

    en.wikipedia.org/wiki/2,3,3,3-Tetrafluoropropene

    R-1234yf is also a component of zeotropic refrigerant blend R-454B. HFO-1234yf has a GWP less than carbon dioxide, [4] [2] itself 1,430 times less potent than R-134a. [5] For this reason, 2,3,3,3‑tetrafluoropropene is the pre-eminent replacement for R-134a in vehicular air conditioners. As of 2022, 90% of new U.S. vehicles are estimated to ...

  3. Fuel dye - Wikipedia

    en.wikipedia.org/wiki/Fuel_dye

    Fuel pumps in Ireland, with green gas oil and red kerosene, and notices that it is an offence to use marked fuels in a motor vehicle.. After August 2002, all European Union countries became obliged to add about 6 mg/L (0.034 oz/bbl) of Solvent Yellow 124, a dye with structure similar to Solvent Yellow 56, to heating fuel.

  4. Polyacrylamide gel electrophoresis - Wikipedia

    en.wikipedia.org/wiki/Polyacrylamide_gel...

    Polyacrylamide gel (PAG) had been known as a potential embedding medium for sectioning tissues as early as 1964, and two independent groups employed PAG in electrophoresis in 1959. [ 17 ] [ 18 ] It possesses several electrophoretically desirable features that make it a versatile medium.

  5. List of dyes - Wikipedia

    en.wikipedia.org/wiki/List_of_dyes

    Oil red EGN Solvent red 26 26120 diazo 4477-79-6: Solvent Violet 13: Oil violet 401 D&C Violet No.2 Solvent violet 13 Disperse blue 72 60725 anthraquinone 81-48-1: Solvent Yellow 56: Euromarker Sudan 455 Solvent yellow 56 11021 azo 2481-94-9: Solvent Yellow 124: Euromarker SY 124 Solvent yellow 124 111155 azo 34432-92-3: Spirit blue: Opal blue ...

  6. Red Dye 3 Is Officially Banned, But Won't Be Out Of Food ...

    www.aol.com/red-dye-3-officially-banned...

    When will red dye No. 3 be officially gone from shelves? The FDA is giving food companies until January 15, 2027, to remove red dye No.3 from their products, so it won't be officially gone until then.

  7. 1,1,1,2-Tetrafluoroethane - Wikipedia

    en.wikipedia.org/wiki/1,1,1,2-Tetrafluoroethane

    1,1,1,2-Tetrafluoroethane (also known as norflurane (), R-134a, Klea 134a, Freon 134a, Forane 134a, Genetron 134a, Green Gas, Florasol 134a, Suva 134a, HFA-134a, or HFC-134a) is a hydrofluorocarbon (HFC) and haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a lower 100-year global warming ...