Hanna Instruments HI 4112 Instruction Manual Download | Manualshive

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HI 4012

HI 4012

HI 4012

HI 4012

HI 4012

HI 4112

HI 4112

HI 4112

HI 4112

HI 4112

Lead Ion

Selective Electrode

Instruction Manual

Half-cell
Combination

LEAD/SULF

AT

E

HI 4012

HI

41

12

LEAD/SULF

AT

E

COMBINA

TION

1
2
3
...
»

Summary of Contents for HI 4112

Page 1: ...I 4012 HI 4012 HI 4012 HI 4012 HI 4012 HI 4112 HI 4112 HI 4112 HI 4112 HI 4112 Lead Ion Selective Electrode Instruction Manual Half cell Combination LEAD SULFATE HI 4012 HI 4112 LEAD SULFATE COMBINATI...

Page 2: ...t requires a separate reference The HI 4112 is a combination ion selective electrode II II II II II Specifications Specifications Specifications Specifications Specifications Type Solid State electrod...

Page 3: ...as a sensor or ionic conductor The HI4012requiresaseparatereferenceelectrodetocomplete itselectrolyticcircuit TheHI4112incorporates areference electrode The mixed lead sulfide silver sulfide membrane...

Page 4: ...4112 Design elements of the HI 4012 and HI 4112 Design elements of the HI 4012 and HI 4112 electrodes electrodes electrodes electrodes electrodes Upper Cap Spring O Ring Ceramic Junction on Inner Ste...

Page 5: ...surements 0 1 M lead standard 500 mL HI4012 01 ISA 5 X 100 mL HI4012 00 For Sulfate Titrations used to standardize lead perchlorate solutions 0 1 M sulfate standard 500 mL HI4012 21 See Section XII Ti...

Page 6: ...on standards and sample solutions should be at same temperature The magnetic stirrer may generate heat Thermally insulate beaker containing standard or sample from magnetic stirrer by placing cork or...

Page 7: ...solution will slowly drain out ofthetaperedconejunctionatthelowerportionofthe electrode Excessiveloss 4cmdropwithin24hours isnotnormal Ifthisoccursverifycapistightenedand the interface between the in...

Page 8: ...lm 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...

Page 9: ...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 f...

Page 10: ...than the previous noted DeterminethedifferencebetweenthetwomVvalues An acceptable value for this slope is 27 4 mV X X X X X Corrective action Corrective action Corrective action Corrective action Cor...

Page 11: ...ndards The meter is calibrated with two or more freshly made standards that are in the linear mea surementrangeoftheunknowns TwomLofISA HI4001 12 is added to each 50 mL volume of standard or sample Fi...

Page 12: ...er equilibra tions are required at lower concentrations 5 To prevent carry over and contamination of samples rinse sensors with deionized and dab dry with absorbant laboratory tissue between samples X...

Page 13: ...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 known lead conc...

Page 14: ...ty Addition of ISA is suggested 2mL 50mL sample pH adjustment of the sample to 4 6 range is advised If required use perchloric acid or sodium hydroxide The lead titrant should be 10X more concentrated...

Page 15: ...sensors HI 4112 sensors HI 4112 sensors HI 4112 sensors The HI 4012 and HI 4112 sensor can be stored in very dilute standards 10 3 M for short periods of time TheHI4012 shouldbestoreddrywithit sprote...

Page 16: ...6 monthsfromdateofpurchasewhenusedfortheirintended purpose and maintained according to instructions If they failtoworkwhenfirstusedcontactyourdealerimmediately Damageduetoaccidents misuse misapplicat...

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