What does work-up mean?

Definitions for work-up
work-up

This dictionary definitions page includes all the possible meanings, example usage and translations of the word work-up.


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Wikidata

  1. Work-up

    In chemistry, work-up refers to the series of manipulations required to isolate and purify the product of a chemical reaction. Typically, these manipulations may include: ⁕quenching a reaction to deactivate any unreacted reagents ⁕cooling the reaction mixture or adding an antisolvent to induce precipitation, and collecting or removing the solids by filtration, decantation, or centrifugation ⁕removal of solvents by evaporation ⁕separating the reaction mixture into organic and aqueous layers by liquid-liquid extraction ⁕purification by chromatography, distillation or recrystallization For example, in the Grignard reaction between phenylmagnesium bromide and carbon dioxide in the form of dry ice gives the conjugate base of benzoic acid. The desired product, benzoic acid, is obtained by the following work-up: ⁕The reaction mixture containing the Grignard reagent is allowed to warm to room temperature in a water bath to allow excess dry ice to evaporate ⁕Any remaining Grignard reagent is quenched by the addition of water ⁕Dilute hydrochloric acid is added to the reaction mixture to protonate the benzoate salts, as well as to dissolve the magnesium salts. White solids of impure benzoic acid are obtained.

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Numerology

  1. Chaldean Numerology

    The numerical value of work-up in Chaldean Numerology is: 4

  2. Pythagorean Numerology

    The numerical value of work-up in Pythagorean Numerology is: 5

Examples of work-up in a Sentence

  1. Loretta Mester:

    I don't have to say today, in fact, I really think it's important that we really look at the incoming information that we are going to get as we work up to the end-of-the month meeting.

  2. Andrew Ansbro:

    I had a chest cold. It was actually in the middle of the summer, and when they looked at my pulminary function numbers, they were extremely low, and they suggested that I go to Mount Sinai and get a full work-up, where they gave me a whole battery of tests.

  3. Marion Roaman:

    There are two great workouts you can do. When you slide back and climb with some resistance you’re building your glute muscles, which just lifts your butt up a little bit. And then when you’re standing out of the saddle you’re really lifting the work up, so you’re lifting your toosh up and at the same time, engaging your abdominals.

  4. Kristy Ray:

    We don’t want her to do anything strenuous until we get a cardiac work up on her, we’re scared. We’re scared it’s going to happen again. The chances are probably slim, but if it’s any chance we don’t want to take it.

  5. Blake Sheltonsurprised:

    I’m doing my normal, you know, what I think is rockin’. Standing up there with my acoustic guitar in front of my stand and singing my songs, i had my band work up one of her songs, ‘Hella Good.’ And I thought ‘Man, that’d be so cool to have her come out and surprise.’ It’s the worst thing I could have done because all it did was make me look terrible.

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"work-up." Definitions.net. STANDS4 LLC, 2024. Web. 28 Mar. 2024. <https://www.definitions.net/definition/work-up>.

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