Hanna Instruments HI 4008 - Manual (Page 2)

2
HI 4008 Cupric Half-cell HI 4008 Cupric Half-cell HI 4008 Cupric Half-cell HI 4008 Cupric Half-cell HI 4008 Cupric Half-cell
HI 4108 Cupric Combination Electrode
HI 4108 Cupric Combination Electrode HI 4108 Cupric Combination Electrode HI 4108 Cupric Combination Electrode HI 4108 Cupric Combination Electrode
I. I. I. I. I. Introduction: Introduction: Introduction: Introduction: Introduction:
The Hanna HI 4008 and HI 4108 are ion selective elec-
trodes designed for the measurement of cupric ions in
aqueous solutions. The HI 4008 is a solid state half-cell
sensor that requires a separate reference. The HI 4108 is a
combination ion selective electrode.
II IIII IIII. Specifications Specifications Specifications Specifications Specifications
Type: Solid State electrode with
a cupric sulfide /silver sul-
fide membrane.
Interfering ions: Silver and mercury must
be absent. Any ion that forms a more insoluble sulfide than
cupric sulfide will interfere with the electrode response. These
include bismith (Bi
3+ ), iron (Fe 2+ ) ,bromide(Br - ) and
chloride (Cl - ) if they are in high concentrations. Long term
exposure in this ion will poison the cupric surface. Oxidation
of the cupric surface will also poison the electrode.
Operating Temperature: 0-80 °C
Operating pH: 3 to 7 pH
(4-6 recommended)
Dimensions: 12 mm (OD) X 120 mm
nominal insertion
(0.47
” X 4.72”)
Connection: BNC
Ion(s) measured: Cupric (Cu
2+ + + + +
)
Measurement range: 0.1 M to 1X 10 -6 M
6355 to 0.065 ppm