Hanna-instruments HI 4008 Manual do Utilizador Página 1

1HI 4008HI 4008HI 4008HI 4008HI 4008HI 4108HI 4108HI 4108HI 4108HI 4108Cupric IonSelective ElectrodeInstruction Manual Half-cell CombinationCOMB

10IX. IX. IX. IX. IX. Quick Check of Electrode SlopeQuick Check of Electrode SlopeQuick Check of Electrode SlopeQuick Check of Electrode Slo

11and continue polishing. • If the membrane is damaged, the response becomesextremely sluggish, or the slope of the electrode hasdecreased significan

12 Procedure1) Follow sections VIII and IX to prepare sensors formeasurement.2) Follow section VI to prepare standards / solution.Standards

13This technique is called Known Addition. The method canuse an ideal sensor slope, but actual determined slopes atthe temperature of measurement sh

14the free ions from the measurement pool.Cu2+ + EDTA <—>Cu-EDTAThe EDTA reacts with the cupric ion forming a complex. TheEDTA also can react w

15XIV. SXIV. SXIV. SXIV. SXIV. Storage and Care of the HI 4008 andtorage and Care of the HI 4008 andtorage and Care of the HI 4008 andtorage and Care

16MAN4108 02/07 WARRANTY WARRANTY WARRANTY WARRANTY WARRANTYHanna Instruments Ion Selective Electrodes are warrante

2HI 4008 Cupric Half-cellHI 4008 Cupric Half-cellHI 4008 Cupric Half-cellHI 4008 Cupric Half-cellHI 4008 Cupric Half-cellHI 4108 Cupric Combinat

3III. III. III. III. III. Theory of OperationTheory of OperationTheory of OperationTheory of OperationTheory of Operation:::::The HI 4108 or HI 4108 c

4IV. IV. IV. IV. IV. Design elements of the HI 4008 and HI 4108Design elements of the HI 4008 and HI 4108Design elements of the HI 4008 and HI 41

5V. V. V. V. V. Equipment required:Equipment required:Equipment required:Equipment required:Equipment required:• Hanna HI 5315 Double Junction Re

6VIIVIIVIIVIIVII. General GuidelinesGeneral GuidelinesGeneral GuidelinesGeneral GuidelinesGeneral Guidelines• Concentrated samples (>0.10 M) shoul

7• Gas bubbles may form from solution out-gassing dueto temperature change. Gently tap body of sensor todislodge them from sensing membrane.HI 4

8VIII. VIII. VIII. VIII. VIII. Electrode PreparationElectrode PreparationElectrode PreparationElectrode PreparationElectrode PreparationHI 4

96. Holding the body of the electrode gently press uppercap with your thumb. This permits the fill solution todrain out of the body. Release cap and