Hanna Instruments HI 4008 Instruction Manual Download | Manualshive

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HI 4008

HI 4008

HI 4008

HI 4008

HI 4008

HI 4108

HI 4108

HI 4108

HI 4108

HI 4108

Cupric Ion

Selective Electrode

Instruction Manual

Half-cell
Combination

COMBINA

TION

CUPRIC

HI

4108

CUPRIC

HI 4008

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Summary of Contents for HI 4008

Page 1: ...1 HI 4008 HI 4008 HI 4008 HI 4008 HI 4008 HI 4108 HI 4108 HI 4108 HI 4108 HI 4108 Cupric Ion Selective Electrode Instruction Manual Half cell Combination COMBINATION CUPRIC HI 4108 CUPRIC HI 4008 ...

Page 2: ...e The HI 4108 is a combination ion selective electrode II II II II II Specifications Specifications Specifications Specifications Specifications Type Solid State electrode with acupricsulfide silversul fide membrane Interfering ions Silver and mercury must beabsent Anyionthatformsamoreinsolublesulfidethan cupricsulfidewillinterferewiththeelectroderesponse These include bismith Bi3 iron Fe2 bromide...

Page 3: ...ensor or ionic conductor The HI4008requiresaseparatereferenceelectrodetocomplete itselectrolyticcircuit TheHI4108incorporates areference electrode The mixed cupric sulfide silver sulfide mem brane produces a potential change due to changes in the sample s cupric ion activity When the ionic strength of the sample is fixed by the addition of ISA the voltage is pro portional to the concentration of c...

Page 4: ...HI 4108 Design elements of the HI 4008 and HI 4108 Design elements of the HI 4008 and HI 4108 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 CUPRIC HI 4008 ...

Page 5: ...g material such as foam or cork between them Hanna HI 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 ForCupricMeasurements 0 1 M cupric standard 500 mL HI4008 01 ISA 500 mL HI4000 00 For directcupric measurements Usingvolumetricpipette...

Page 6: ...r insulative sheet between beaker and stirrer plate Calibration standards and sample solutions should be stirred at the same rate using identical sized 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 Avoid Cu OH 2 precipitation by maintaining pH be tween 4 and 6 pH Presoaki...

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 08 CU PR IC CO MB IN AT IO N ...

Page 10: ... 4 mV X X X X X Corrective action Corrective action Corrective action Corrective action Corrective action Verify protective cap has been removed HI 4008 Verify plastic film has been removed from inner stem HI4108 Verify electrodes are connected properly to meter and meterispowered Verify standard has been properly stored Remake standards if appropriate If the sensor slope just misses the suggested...

Page 11: ...ds 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 by the corresponding dil...

Page 12: ...rations 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 Cu2 An unknown concentration can be determined by adding a kn...

Page 13: ...SA VISA 1mL a Thestable mVvalue mV1 isrecordedafterthesampleismixed 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 known cupric concentration in the original sample Csample can then be determined by the following equation Csample VT 10 E S VS CstandardVstandard Vsample VS 3 Theprocedurecanberepeatedw...

Page 14: ...ting glacial acetic acid 17 4 M to 1M and adjust to pH 4 with KOH Add 1part buffer to 10 parts sample Addition of ISA is suggested 2 mL 100 mL sample The EDTA titrant should be 10X more concentrated than the expected Cupric concentration Competing metals will need to be identified and removed or masked Plot generated on Hanna HI 901 Titrator during Plot generated on Hanna HI 901 Titrator during Pl...

Page 15: ...ith 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 Cu ables For Cu ables For Cu ...

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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