Bromide combination electrode hanna hi4102

Description

Bromide combination electrode hanna hi4102 

The HI-4102 bromide 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 silver bromide sensing membrane.

For the HI-4102 to measure bromide accurately, it is important that the ionic strength of the standards and sample be adjusted to a high and constant value with the halide ionic strength adjuster (ISA) solution. The halide ISA ensures that the activity coefficient is constant so the concentration of free bromide ions can be measured. Measuring all solutions with a constant ionic strength reduces the margin of error between measurements. The HI-4102 bromide solid state ISE can measure from 1µM (0.08 mg/L) to 1M (79,910 mg/L).

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