| 11. | For the flushing circulation a buffer solution is used.
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| 12. | IUPAC has proposed the use of a set of buffer solutions of known H + activity.
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| 13. | The apparatus includes a U-shaped cell filled with buffer solution and electrodes immersed at its ends.
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| 14. | The main conductance is 1nS in buffer solution.
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| 15. | The purified protein is usually dissolved in a buffer solution and adjusted to the desired solvent conditions.
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| 16. | In biochemistry equilibrium constants are often measured at a pH fixed by means of a buffer solution.
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| 17. | A buffer solution of sodium acetate and acetic acid I believe, has a pH of around 4.76.
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| 18. | If a pH of exactly 7.0 is required, it must be maintained with an appropriate buffer solution.
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| 19. | The pH meter is usually calibrated with buffer solutions at known pH values before starting the titration.
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| 20. | Agarose gels are cast horizontally in a mold, and when set, usually run horizontally submerged in a buffer solution.
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