Copper Half-Cell Ion Selective Electrode (ISE)
The HI4008 is a solid state, half-cell ion selective electrode (ISE) for the determination of cupric ions (Cu2+) in solution. The mixed cupric sulfide/silver sulfide sensing pellet produces a potential change due to the cupric ion exchange between the inorganic pellet membrane and the sample. The internal sensing elements are housed within a durable epoxy body.The HI4008 is ideal for a variety of applications in plating, wastewater, and industrial processes.
• Detection from 0.065 to 6,355 mg/L Cu2+
• For use with HI5315 reference half-cell
• Solid state sensor
The HI4008 cupric ion selective electrode is a potentiometric half-cell sensor housed within an epoxy body. The internal elements are isolated from the sample by a compressed cupric sulfide/silver sulfide sensing membrane. This solid state sensor requires a separate reference electrode to complete the measurement system.
Hanna’s solid state half-cell ISEs are designed for use with the HI5315 reference half-cell. The reference half-cell features a cone style junction. The skirted cone geometry of the reference forms the liquid junction with the test solution at the tip of the junction cone, producing a highly stable reference potential and consistent flow rates of electrolyte into the solution. A simple press of the top portion of the ISE makes it easy to empty the electrolyte fill solution and replace when necessary.
For the HI4008 to measure cupric ions accurately, it is important that the ionic strength of the standards and sample be adjusted to a high and constant value with the HI4000-00 ionic strength adjuster (ISA) solution. The ISA ensures that the activity coefficient is constant so the concentration of free cupric ions can be measured. Measuring all solutions with a constant ionic strength reduces the margin of error between measurements. The HI4008 cupric solid state ISE can measure from 1µM (0.065 mg/L) to 0.1M (6,355 mg/L).
Conversion Table for Cu2+
|moles/L (M) to ppm (mg/L) :
|6.354 x 104
|ppm (mg/L) to M (moles/L) :
|1.574 x 10-4
• The HI4008 has a universal BNC connector for easy connection to any benchtop meter with a female BNC probe input.
Durable Epoxy Body
• The probe body of the cyanide half-cell ISE is composed of durable epoxy resin.
Fixed Sensing Modules
• Solid state half-cell ISEs are electrodes that detect free ions in a solution.
• The highly insoluble, compressed sensing pellet is attached to the HI4008 cupric half-cell by a fixed sensing module for ease of use.
|solid state; half-cell
|Measurement Range :
|Curpic (Cu2+) 0.1M to 1•10-6M, 6,355 to 0.065 mg/L (ppm)
|Optimum pH Range :
|pH 3 to 7
|Temperature Range :
|0 to 80 °C
|Approximate Slope :
|Overall Length :
|Body Material :
|coaxial; 1 m (3.3’)
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