PASCO Specialty & Mfg. CI-6734 Manuale Utente

betterteach scienceways toPhone (916) 786-3800 • FAX (916) 786-8905 • web: www.pasco.com10101 Foothills Blvd. • P.O. Box 619011 • Roseville, CA 95678-

Sodium Ion Selective Electrode 012–06615A6Measurement ProcedureDirect MeasurementDirect measurement is a simple procedure for measuring a large number

012–06615A Sodium Ion Selective Electrode7Figure 3Typical sodium electrode calibration curve6. To a clean, dry 150 ml beaker, add 100 ml of sample and

Sodium Ion Selective Electrode 012–06615A86. Add increments of the l.0xl0-3 M or 100 ppm standard as given in Table 2 below.7. After the reading has s

012–06615A Sodium Ion Selective Electrode9Electrode drift and slow response could indicate the presence of high interference from the ions listed. Soa

Sodium Ion Selective Electrode 012–06615A10Electrode ResponsePlotting the electrode potential against the sodium concentration on semilogarithmic pape

012–06615A Sodium Ion Selective Electrode11Figure 5Electrode potential behavior vs. solution pH in pure NaCl solution at 25 °The edge of the shaded ar

Sodium Ion Selective Electrode 012–06615A12SpecificationsConcentration Range: Saturated to 1.0Xl0-6 M (0.02 ppm)pH Range: 5 to 12 (depending on pH lev

012–06615A Sodium Ion Selective Electrode13Standards & ReagentsWhenever problems arise with the measuring procedure that has been used successfull

Sodium Ion Selective Electrode 012–06615A14Symptom Possible Causes Next StepNoisy or Unstable electrode exposed to interferences soak overnight in ele

012–06615A Sodium Ion Selective Electrode15Symptom Possible Causes Next Step“Incorrect Answer” incorrect scaling of semilog paper plot voltage potenti

Sodium Ion Selective Electrode 012–06615AAlways use eye protectionand gloves when workingwith chemicals.

Sodium Ion Selective Electrode 012–06615A16

Technical SupportFeedbackIf you have any comments about the product ormanual, please let us know. If you have anysuggestions on alternate experiments

012–06615A Sodium Ion Selective ElectrodeTable of ContentsIntroduction...

iiEquipment ReturnShould the product have to be returned to PASCOscientific for any reason, notify PASCO scientific byletter, phone, or fax BEFORE ret

012–06615A Sodium Ion Selective Electrode1IntroductionThe PASCO scientific Sodium Ion Selective Electrode is used to quickly, simply, accurately, and

Sodium Ion Selective Electrode 012–06615A2ROO1013SAMPLE4MKCIReferenceFillSolutionFigure 1.Included Equipmentto ISEAmplifierSodium Ion SelectiveElectro

012–06615A Sodium Ion Selective Electrode3 Note: Electrodes must not be stored in distilled water or air. Do not rinse withdistilled water.• Dilute E

Sodium Ion Selective Electrode 012–06615A4General PreparationElectrode Preparation1. Remove the rubber cap covering the electrode tip andthe rubber in

012–06615A Sodium Ion Selective Electrode5MeasurementMeasuring Hints• All samples and standards should be at the same temperature for precise measurem