PASCO Specialty & Mfg. CI-6727 User Manual

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

Calcium Ion Selective Electrode 012–06601A66. To a clean, dry, 150 ml beaker, add 100 ml of the sample, 2 ml of ISA, and 2 ml of ISA. Place the beaker

012–06601A Calcium Ion Selective Electrode75. Add increments of the l.0 X 10-3 M or 10 ppm standard as given in Table 2 below.6. After the reading ha

Calcium Ion Selective Electrode 012–06601A82. Prepare the stock EDTA titrant as given in the section Required Solution. Dilute the EDTA to 10 to 20tim

012–06601A Calcium Ion Selective Electrode9Electrode CharacteristicsReproducibilityElectrode measurements reproducible to ±4 % can be obtained if the

Calcium Ion Selective Electrode 012–06601A10Interferences(ppm) 1000 ppm CaCO3100 ppm CaCO310 ppm CaCO3Mg+22.43X1052.43X1042.43X103Zn+26.53X1056.53X104

012–06601A Calcium Ion Selective Electrode11Electrode ResponsePlotting the electrode potential against the calcium concentration on semi-logarithmic p

Calcium Ion Selective Electrode 012–06601A12Troubleshooting GuideThe goal of troubleshooting is the isolation of a problem through checking each of t

012–06601A Calcium Ion Selective Electrode13TechniqueBe sure that the electrodes limit of detection has not been exceeded. Be sure that the analysis

Calcium Ion Selective Electrode 012–06601A14

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

Calcium Ion Selective Electrode 012–06601AAlways use eye protectionand gloves when workingwith chemicals.

012–06601A Calcium 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

012–06601A Calcium Ion Selective Electrode1IntroductionThe PASCO Calcium Ion Selective Electrode is used to quickly, simply, accurately, and economic

Calcium Ion Selective Electrode 012–06601A2ROO1013SAMPLE4MKCIReferenceFillSolutionThe reference electrode must also be considered. When two solutions

012–06601A Calcium Ion Selective Electrode3 Ionic Strength Adjuster (ISE), 4 M KCLTo prepare this solution, half fill a 1000 ml volumetric flask with

Calcium Ion Selective Electrode 012–06601A43. Using a pipette, add 10 ml of the same calcium standard used above to the beaker. When the reading hasst

012–06601A Calcium Ion Selective Electrode5TABLE 1 Concentration Unit Conversion Factorsppm Ca+2ppm CaCO3moles/liter4.01 10.0 1.0 X 10-410.00 24.9 2.5