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  2. Ammonium sulfate precipitation - Wikipedia

    en.wikipedia.org/wiki/Ammonium_sulfate_precipitation

    Ammonium sulfate is an inorganic salt with a high solubility that disassociates into ammonium (NH + 4) and sulfate (SO 2− 4) in aqueous solutions. [1] Ammonium sulfate is especially useful as a precipitant because it is highly soluble, stabilizes protein structure, has a relatively low density, is readily available, and is relatively inexpensive.

  3. Solubility chart - Wikipedia

    en.wikipedia.org/wiki/Solubility_chart

    The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. 25 °C, 298.15 K). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate.

  4. Solubility table - Wikipedia

    en.wikipedia.org/wiki/Solubility_table

    Solubility tables; Substance Formula 0 °C 10 °C 15 °C 20 °C 30 °C 40 °C ... Ferrous ammonium sulfate (NH 4) 2 Fe(SO 4) 2 ·6H 2 O: 26.9: 73: Fructose: C 6 H 12 ...

  5. Ammonium sulfate - Wikipedia

    en.wikipedia.org/wiki/Ammonium_sulfate

    Ammonium sulfate precipitation is a common method for protein purification by precipitation. As the ionic strength of a solution increases, the solubility of proteins in that solution decreases. Being extremely soluble in water, ammonium sulfate can "salt out" (precipitate) proteins from aqueous solutions.

  6. Salting out - Wikipedia

    en.wikipedia.org/wiki/Salting_out

    Salting out (also known as salt-induced precipitation, salt fractionation, anti-solvent crystallization, precipitation crystallization, or drowning out) [1] is a purification technique that utilizes the reduced solubility of certain molecules in a solution of very high ionic strength.

  7. Soil pH - Wikipedia

    en.wikipedia.org/wiki/Soil_pH

    Toggle the table of contents. ... Acidic precipitation is the main natural factor to mobilize aluminium from ... such as ammonium sulfate, ammonium nitrate and ...

  8. From 'Hero Snow' to 'Snirt,' this Periodic Table of Snow ...

    www.aol.com/hero-snow-snirt-periodic-table...

    Colorado ski instructor Russ Scholl created the whimsical and funny table to describe and define 133 different kinds of snow.

  9. Protein precipitation - Wikipedia

    en.wikipedia.org/wiki/Protein_Precipitation

    The ideal salt for protein precipitation is most effective for a particular amino acid composition, inexpensive, non-buffering, and non-polluting. The most commonly used salt is ammonium sulfate. There is a low variation in salting out over temperatures 0 °C to 30 °C.

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