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  2. Karnovsky fixative - Wikipedia

    en.wikipedia.org/wiki/Karnovsky_fixative

    The stock solution for Karnovsky fixative is as follows: [1] 2.0 g paraformaldehyde; 25 ml distilled water; 1M sodium hydroxide 2 to 4 drops; 50% glutaraldehyde 5.0 ml; 0.2M cacodylate buffer, pH 7.4, 20.0 ml; Mix the paraformaldehyde with 25 ml of distilled water in a 125 ml Erlenmeyer flask. Heat to 60 °C on a stir plate.

  3. Hoagland solution - Wikipedia

    en.wikipedia.org/wiki/Hoagland_solution

    The main difference between solution (1) and solution (2) is the different use of nitrate-nitrogen and ammonium-nitrogen based stock solutions to prepare the respective Hoagland solution of interest. Accordingly, the original 1933 and the modified concentrations of 1938 and 1950 for each essential element and sodium are shown below, the ...

  4. Import substitution industrialization - Wikipedia

    en.wikipedia.org/wiki/Import_substitution...

    Import substitution industrialization (ISI) is a trade and economic policy that advocates replacing foreign imports with domestic production. [1] It is based on the premise that a country should attempt to reduce its foreign dependency through the local production of industrialized products.

  5. Molar concentration - Wikipedia

    en.wikipedia.org/wiki/Molar_concentration

    Molar concentration or molarity is most commonly expressed in units of moles of solute per litre of solution. [1] For use in broader applications, it is defined as amount of substance of solute per unit volume of solution, or per unit volume available to the species, represented by lowercase : [2]

  6. Degassing - Wikipedia

    en.wikipedia.org/wiki/Degassing

    Degassing, also known as degasification, is the removal of dissolved gases from liquids, especially water or aqueous solutions. There are numerous methods for removing gases from liquids. Gases are removed for various reasons.

  7. Standard solution - Wikipedia

    en.wikipedia.org/wiki/Standard_solution

    A standard solution ideally has a high degree of purity and is stable enough that the concentration can be accurately measured after a long shelf time. [2] Making a standard solution requires great attention to detail to avoid introducing any risk of contamination that could diminish the accuracy of the concentration.

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