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  2. Ammonia solution - Wikipedia

    en.wikipedia.org/wiki/Ammonia_solution

    Ammonia solution, also known as ammonia water, ammonium hydroxide, ammoniacal liquor, ammonia liquor, aqua ammonia, aqueous ammonia, or (inaccurately) ammonia, is a solution of ammonia in water. It can be denoted by the symbols NH 3 (aq). Although the name ammonium hydroxide suggests a salt with the composition [NH + 4][OH −

  3. Piranha solution - Wikipedia

    en.wikipedia.org/wiki/Piranha_solution

    Molecular models of the different molecules active in Piranha solution: peroxysulfuric acid (H 2 SO 5) and hydrogen peroxide (H 2 O 2). Piranha solution, also known as piranha etch, is a mixture of sulfuric acid (H 2 SO 4) and hydrogen peroxide (H 2 O 2). The resulting mixture is used to clean organic residues off substrates, for example ...

  4. RCA clean - Wikipedia

    en.wikipedia.org/wiki/RCA_clean

    The first step (called SC-1, where SC stands for Standard Clean) is performed with a solution of (ratios may vary) [2] 5 parts of deionized water; 1 part of ammonia water, (29% by weight of NH 3) 1 part of aqueous H 2 O 2 (hydrogen peroxide, 30%) at 75 or 80 °C [1] typically for 10 minutes. This base-peroxide mixture removes organic residues.

  5. Ammonia - Wikipedia

    en.wikipedia.org/wiki/Ammonia

    The hazards of ammonia solutions depend on the concentration: 'dilute' ammonia solutions are usually 5–10% by weight (< 5.62 mol/L); 'concentrated' solutions are usually prepared at >25% by weight. A 25% (by weight) solution has a density of 0.907 g/cm 3 , and a solution that has a lower density will be more concentrated.

  6. Pine-Sol - Wikipedia

    en.wikipedia.org/wiki/Pine-Sol

    Pine-Sol is a registered trade name of the Clorox Company for a line of household cleaning products, used to clean grease and heavy soil stains. Pine-Sol was based on pine oil when it was created in 1929 and during its rise to national popularity in the 1950s. [3]

  7. Hartshorn - Wikipedia

    en.wikipedia.org/wiki/Hartshorn

    Spirit of hartshorn (or spirits of hartshorn) is an archaic name for aqueous ammonia. Originally, this term was applied to a solution manufactured from the hooves and antlers of the red deer, as well as those of some other animals. The aqueous solution was colorless and pungent, consisting of about 28.5 percent ammonia.

  8. Mega-ammonia project could position Louisiana as clean ... - AOL

    www.aol.com/news/mega-ammonia-project-could...

    (The Center Square) – A proposed $7.5 billion ammonia production facility in Ascension Parish could position Louisiana as a global leader in clean energy. "It would be the largest [ammonia ...

  9. Aqua regia - Wikipedia

    en.wikipedia.org/wiki/Aqua_regia

    De Hevesy placed the resulting solution on a shelf in his laboratory at the Niels Bohr Institute. It was subsequently ignored by the Nazis who thought the jar—one of perhaps hundreds on the shelving—contained common chemicals. After the war, de Hevesy returned to find the solution undisturbed and precipitated the gold out of the acid. The ...

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