Hanna Instruments

Scientific Equipment

HI-4004-51 Calcium Module for Half Cell

HI-4004-51 Calcium Module for Half Cell

Hanna HI-4004-51 Calcium Module for Half Cell

HI-4004-51 Calcium Module for Half Cell

PVC matrix
Easy to replace
£223.30 (exc. VAT) £267.96 (inc. VAT)

The HI-4004-51 is a replacement sensing module for the calcium half-cell Ion Selective Electrode.

Used with the HI-4004 calcium half-cell Ion Selective Electrode (ISE), the liquid membrane sensor contains an organic polymer within the PVC matrix which is responsible for exchange of calcium ions across the membrane.

Solutions are available in a variety of sizes. Check whether the solution you require is available in 1 gallon, 500ml, or 230ml bottles, or individual 20ml sachets.

Frequently Bought Together

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Buy All 2 for: £288.04

HI-4004-51 Calcium Module for Half Cell information

Hanna's extended description

A charge imbalance develops between the sample and the internal cell in response to the calcium ion activity.

The HI-4004-51 calcium half-cell module easily fits onto the HI-4004 probe body, allowing for quick replacement.

Pre-soaking the calcium sensor in HI-4004-45 conditioning solution or a calcium standard (0.01M) without ionic strength adjuster (ISA) for a while before calibration will help to optimise the sensor response.

Refrigeration of the HI-4004-51 calcium module will help extend its life.


Specifications list

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