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Copper (Cupric) Combination Ion Selective Electrode (ISE) HI4108
The HI4108 is a solid state, combination 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 polyetherimide (PEI) body. The HI4108 is ideal for a variety of applications in plating, wastewater, and industrial processes.
- Solid state sensor
- Skirted cone geometry
- Detection from 0.065 to 6,355 mg/L Cu2+
Manufacturer | Hanna Instruments |
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Electrodes Parameters | Copper |
Electrode Connection | BNC |
Hazardous | No |
Note | Ships with heat pack(s) during winter months. |
Type | solid state; combination |
Optimum pH Range | 3 to 7 |
Temperature Range | 0 to 80°C |
Diameter | 12 mm |
Length | 120 mm |
Body Material | PEI |
Cable | 1 m coaxial |
Common Applications | used as an indicator for titrations using chelates |
Connection | BNC |
Warranty | 6 months |
The HI4108 cupric ion selective electrode is a complete potentiometric cell that contains a silver/silver chloride (Ag/AgCl) reference housed within a PEI plastic body with a potassium nitrate electrolyte. The internal elements are isolated from the sample by a compressed cupric sulfide/silver sulfide sensing membrane.
Hanna’s solid-state combination ISEs are designed with a cone style junction. The skirted cone geometry of the sensor 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 HI4108 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 HI4108 cupric solid-state ISE can measure from 1µM (0.065 mg/L) to 0.1M (6,355 mg/L).