enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Calconcarboxylic acid - Wikipedia

    en.wikipedia.org/wiki/Calconcarboxylic_acid

    Calconcarboxylic acid (IUPAC name 3-hydroxy-4-[(2-hydroxy-4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2-carboxylic acid; commonly called Patton and Reeder's Indicator) is an azo dye that is used as an indicator for complexometric titrations of calcium with ethylenediaminetetraacetic acid (EDTA) in the presence of magnesium. [2]

  3. Chalcone - Wikipedia

    en.wikipedia.org/wiki/Chalcone

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us

  4. Calçot - Wikipedia

    en.wikipedia.org/wiki/Calçot

    Calçot (Catalan:) is a type of green onion.The name calçot comes from the Catalan language.The calçot from Valls (Tarragona, Catalonia, Spain) is a registered EU Protected Geographical Indication.

  5. Agent Orange - Wikipedia

    en.wikipedia.org/wiki/Agent_Orange

    2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) 2,4-dichlorophenoxyacetic acid (2,4-D) 2,4,5-trichlorophenoxyacetic acid (2,4,5-T). The active ingredient of Agent Orange was an equal mixture of two phenoxy herbicides – 2,4-dichlorophenoxyacetic acid (2,4-D) and 2,4,5-trichlorophenoxyacetic acid (2,4,5-T) – in iso-octyl ester form, which contained traces of the dioxin 2,3,7,8-tetrachlorodibenzo ...

  6. Methanol - Wikipedia

    en.wikipedia.org/wiki/Methanol

    Methanol and its vapours are flammable. Moderately toxic for small animals – Highly toxic to large animals and humans (in high concentrations) – May be fatal/lethal or cause blindness and damage to the liver, kidneys, and heart if swallowed – Toxicity effects from repeated over exposure have an accumulative effect on the central nervous system, especially the optic nerve – Symptoms may ...

  7. Acetone - Wikipedia

    en.wikipedia.org/wiki/Acetone

    Acetone (2-propanone or dimethyl ketone) is an organic compound with the formula (CH 3) 2 CO. [22] It is the simplest and smallest ketone (>C=O).It is a colorless, highly volatile, and flammable liquid with a characteristic pungent odour, very reminiscent of the smell of pear drops.

  8. Conjugate (acid-base theory) - Wikipedia

    en.wikipedia.org/wiki/Conjugate_(acid-base_theory)

    A conjugate acid, within the Brønsted–Lowry acid–base theory, is a chemical compound formed when an acid gives a proton (H +) to a base—in other words, it is a base with a hydrogen ion added to it, as it loses a hydrogen ion in the reverse reaction.

  9. Complexometric indicator - Wikipedia

    en.wikipedia.org/wiki/Complexometric_indicator

    A complexometric indicator is an ionochromic dye that undergoes a definite color change in presence of specific metal ions. [1] It forms a weak complex with the ions present in the solution, which has a significantly different color from the form existing outside the complex.