Examples of 'black solution' in a sentence
Meaning of "black solution"
black solution: Refers to a covert or hidden way of solving a problem or addressing an issue
How to use "black solution" in a sentence
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black solution
The black solution was concentrated under reduced pressure.
The reaction mixture immediately became a black solution.
A black solution is obtained.
The mixture is heated to reflux generating a black solution.
The black solution was cooled to room temperature and concentrated to a brown solid.
The mixture was then stirred at rt overnight to give a black solution.
The black solution was cooled and concentrated on the rotary evaporator to solids.
The reaction mixture becomes a black solution and immediately gives off NO2 gas.
The black solution is self-cooled to room temperature overnight.
Within 5 minutes, the black solution began to bubble.
The black solution is slowly warmed to RT.
The addition took approximately 15 minutes and produced a black solution.
The resulting black solution was allowed to reach rt over 2 h.
The addition bok approximately 15 minutes and produced a black solution.
The black solution was diluted with diethyl ether, extracted with sat.
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After the reaction of 12 hours, the reacted black solution was obtained.
The black solution was then cooled to ambient temperature and stirred for 17 hours.
The reaction liquid was concentrated under reduced pressure to obtain 35.21 g of a black solution.
The resulting black solution was refluxed for 10 minutes then filtered on a pad of celite.
After 4 hours at a temperature close to 20 ° C., the black solution obtained is concentrated to dryness.
The carbon black solution may comprise cyclopentanone, dibutyl carbitol, or diacetate ethylene glycol as a solvent.
After cooling to room temperature the black solution is poured into 4M hydrochloric acid ( 200 ml ).
The black solution was stirred for 30 min at the same temperature.
After addition was complete the resulting black solution was stirred at 155°C for a further 18 hrs.
The black solution was allowed to warm to RT and stir for 15 h.
The red solution changes to a black solution and is stirred at the same temperature for 24h.
To the black solution was added ether and the suspension was left at 4°C for 2h.
This gave a yellowish-brownish black solution which was stirred at room temperature for 30 minutes.
The black solution was cooled and diluted with 600 mL EtOAc.
This treatment produced a black solution that after filtration and evaporation gave a cherry-red liquid.
The black solution was diluted with water ( 40 ml ), filtered through a bed of celite.
The original black solution gradually changed to a yellow-orange color after 13 hours.
The resulting black solution was treated with charcoal at reflux, filtered hot and cooled to 0°C.
The resulting black solution was partitioned between water ( 10 mL ) and ethyl ether.
The black solution was carefully heated at 90 °C.
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