Hanna Instruments HI 4003 Instruction Manual Download | Manualshive

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HI 4003

HI 4003

HI 4003

HI 4003

HI 4003

HI 4103

HI 4103

HI 4103

HI 4103

HI 4103

Instruction Manual

Half-cell
Combination

COMBINA

TION

CADMIUM

HI

4103

CADMIUM

HI 4003

Cadmium Ion
Selective Electrode

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Summary of Contents for HI 4003

Page 1: ...1 HI 4003 HI 4003 HI 4003 HI 4003 HI 4003 HI 4103 HI 4103 HI 4103 HI 4103 HI 4103 Instruction Manual Half cell Combination COMBINATION CADMIUM HI 4103 CADMIUM HI 4003 Cadmium Ion Selective Electrode ...

Page 2: ...elective electrode II II II II II Specifications Specifications Specifications Specifications Specifications Type Solid State electrode with a Cadmium sulfide silver sulfide membrane Ion s measured Cadmium Cd 2 Measurement range 0 1M to 1X 10 7 M 11 200 to 0 01 ppm Interfering ions Silver and mercury must beabsent Anyionthatformsamoreinsolublesulfidethan cadmium sulfide will interfere with the ele...

Page 3: ...nic conductor The HI4003requiresaseparatereferenceelectrodetocomplete itselectrolyticcircuit TheHI4103incorporates areference electrode The mixed cadmium sulfide silver sulfide mem brane produces a potential change due to changes in the sample s cadmium ion activity When the ionic strength of the sample is fixed by the addition of ISA the voltage is proportional to the concentration of cadmium ion...

Page 4: ...HI 4103 Design elements of the HI 4003 and HI 4103 Design elements of the HI 4003 and HI 4103 electrodes electrodes electrodes electrodes electrodes Upper Cap Spring O Ring Ceramic Junction on Inner Stem Fill Hole O Ring and Plug Sensing Membrane Outer Sleeve Upper Threads Liquid junction Cap Sensing Membrane Sensor Handle CADMIUM HI 4003 ...

Page 5: ... 76404 Electrode Holder or equivalent Plastic beakers HI 740036P or other suitable mea surement vessel VI VI VI VI VI Solutions Required Solutions Required Solutions Required Solutions Required Solutions Required For Cadmium Measurements 0 1 M cadmium standard 500 mL HI4003 01 ISA 500 mL HI4000 00 For direct cadmium measurements Using volumetric pi pettes and glassware make dilutions of HI 4003 01...

Page 6: ...ized TFE coated stir bars Rinse electrode pair with distilled or deionized water between samples and gently dab dry with soft dis posable absorbent toweling Do not rub electrodes AvoidCd OH 2 precipitationor hydrogenioninterfer ence by maintaining pH of samples between 4 5 and 7 5pH UseNitricacidorsodiumhydroxidetoadjust pH Presoaking the cadmium sensor tip in a dilute stan dard will optimize resp...

Page 7: ...l solution will slowly drain out ofthetaperedconejunctionatthelowerportionofthe electrode Excessiveloss 4cmdropwithin24hours isnotnormal Ifthisoccursverifycapistightenedand the interface between the internal cone and outer body is free of debris Add fill solution daily to maintain a good head pres sure Foroptimumresponse thislevelshouldbemain tained and not be allowed to drop more than 2 3 cm 1 in...

Page 8: ...ilm seal found over ceramic junction on inner stem and discard This is only used for ship ping and long term storage 2 Rinseinnerstemwithdeionizedwatermakingcertain to wet the o ring found on the inner stem 3 Reassemble electrode by gently pushing the inner assembly into the outer body sliding spring down cable and screwing cap into place 4 Remove fill hole cover and o ring on fill hole spout 5 Us...

Page 9: ...and verify elec trodereturnstoitsoriginalposition Youmayneedto gently assist for this to occur 7 Tighten the electrode cap onto the body and fill elec trode body until fill solution volume is just below fill hole 8 Position electrode in a Hanna HI 76404 electrode holder or equivalent and connect plug to meter HI 41 03 CA DM IU M CO MB IN AT IO N ...

Page 10: ... for this slope is 27 4 mV near25 C X X X X X Corrective action Corrective action Corrective action Corrective action Corrective action Verify protective cap has been removed HI 4003 Verify plastic film has been removed from inner stem HI4103 Verify electrodes are connected properly to meter and meterispowered Verify standard has been properly stored Remake standards if appropriate If the sensor s...

Page 11: ...ore freshly made stan dards that are in the linear measurement range of the unknowns Two mL of ISA HI 4000 00 is added to each 100 mL volume of standard or sample More calibration standards are required in non linear regions Unknowns are read directly Samples with concentration greater than 0 1 M should be diluted to be within the working range of the electrodes The final result must be multiplied...

Page 12: ...r concentrations 5 To prevent carry over and contamination of samples rinse sensors with deionized and dab dry with absorbant laboratory tissue between samples XII XII XII XII XII Other Measurement T Other Measurement T Other Measurement T Other Measurement T Other Measurement Techniques echniques echniques echniques echniques Known Addition for Cd2 An unknown concentration can be determined by ad...

Page 13: ...ISA 1mL a The stable mV value mV 1 is recorded after the sample is mixed 2 5mL Vstd of 10 1 M standard Cstd is added to the beaker and the mV value increases as does the con centration E is calculated as mV2 mV1 The un knowncadmiumconcentrationintheoriginalsample Csample can then be determined by the following equation Csample VT 10 E S VS CstandardVstandard Vsample VS 3 Theprocedurecanberepeatedw...

Page 14: ...particular interferent The end point is assumed to be at the inflection of the mV versus titrant volume curve Measurements may be automated by use of the Hanna Titrator HI 901 or titrated manually Notes Addition of ISA is suggested 1part 50parts sample Use of the an acetic acid buffer may increase the end point break Prepare buffer by diluting glacial acetic acid 17 4 M to 1M and adjust to pH 5 wi...

Page 15: ... distilled or deionized water Unscrew the upper cap and move outer sleeve up cable Wrap the ceramic junction on the inner stem with Parafilm or other sealing wrap Place the protective cap provided over the dried membrane and store in original storage box provided with electrode XV XV XV XV XV Conversion T Conversion T Conversion T Conversion T Conversion Tables For Cd ables For Cd ables For Cd abl...

Page 16: ...r 6 monthsfromdateofpurchasewhenusedfortheirintended purpose and maintained according to instructions If they failtoworkwhenfirstusedcontactyourdealerimmediately Damageduetoaccidents misuse misapplication tampering or lack of prescribed maintenance is not covered HannaInstrumentsreservestherighttomodifythedesign constructionorappearanceofitsproductswithoutadvance notice ...

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