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          • MI-4142-針式可編程組合微電極

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          貨物所在地: 北京北京市
          產(chǎn)地: 美國(guó)
          更新時(shí)間: 2024-10-04 21:00:07
          期: 2024年10月4日--2025年4月4日
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          針式可編程組合微電極
          The microelectrode is ready to use. Carefully unwind the tape and remove the probe
          from the protective glass tube. The white translucent sleeve, which covers the hole,
          should be moved down

          詳細(xì)介紹

          針式可編程組合微電極

          Calibration
          The electrode can be held by hand when measuring pH. It has been standardized in
          two (2) pH buffers. Follow the procedure recommended by the manufacturer of your pH
          meter for calibration

          針式可編程組合微電極

          Optimum Response Time: Optimum response time will be obtained after the probe
          has been exercised in two (2) buffer solutions. Fill one beaker with a pH 4.01 buffer orequivalent and a second beaker with a pH 6.86 buffer or equivalent. Hold themicroelectrode and touch the pH 4 .01 buffer surface allowing 5 seconds for
          equilibration, and then touch the pH 6.86 buffer surface in the same0 manner. Do thisseveral times. It is not necessary to rinse the probe with distilled water because thecarry-over is negligible

          針式可編程組合微電極

          Handling
          The outer reference chamber of the microelectrode can be refilled when necessary withthe 3 M KCl solution, using the bulb pipette. Hold the electrode at a 60 degree angle(approx.) and slowly insert the tip into the fill hole of the electrode.
          Be careful not to apply pressure against the inner glass capillary tube.
          Slowly fill the reference chamber. If filling is done too quickly, air may be trapped in the chamber causing reference solution to squirt out of the fill hole instead of entering and filling the reference chamber

          Cleaning
          When using the microelectrode in solutions containing protein, it should be soaked in an
          enzyme cleaning solution such as Terg-a-zyme (Alconox, Inc.) or a chromic/sulfuric
          acid glass cleaning solution for a couple of minutes after each use to remove the protein
          from the glass and the reference junction. This will prolong the useful life of the
          microelectrode.
          Storage
          Always clean the microelectrode before storing:
          Long-term (over 2 weeks): Return the electrode to its original container and prepare it
          in the same condition in which you received it. Usually this means simply moistening
          the sponge located in the bottom of the protective glass tube with pH 4 buffer.
          Short-term: The probe can be left in an acid pH buffer solution (pH 4.01)

           

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