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LabSen® 831 HF pH Electrode for Strong Acids and Hydrofluoric Acid

Fiyat Sorunuz

Specialized pH electrode probe designed for strong acid solutions and hydrofluoric acid measurements, featuring Swiss-patented sensor technology and HF-resistant glass membrane.

  • Specialized HF-resistant glass membrane with rapid response characteristics
  • Superior reproducibility in strong acid sample matrices
  • Silver ion trap reference system preventing silver sulfide junction clogging
  • Compatible with major Apera Instruments pH meters (MP511, PH850, PH8500, PH700, PH910, PH950, PH820, PC820)
  • Robust lead-free glass construction for demanding laboratory applications

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The LabSen® 831 HF pH Electrode Probe, backed by patented Swiss sensor technology and materials, is engineered for pH measurements in solutions containing hydrofluoric acid (≥3pH) or other strong acid samples. Features a specialized glass membrane for enhanced response time, superior reproducibility in strong acid matrices, and exceptional resistance to hydrofluoric acid corrosion. Equipped with a silver ion trap reference system built on long-life technology to prevent junction blockage from silver sulfide precipitation.

Technical Specifications

Electrode Material Lead-free glass
Temperature Sensor Not included
Junction Type Ceramic
Reference System Silver ion trap
Electrolyte 3M KCl
Electrode Length 120 mm
Electrode Diameter 12 mm
Membrane Shape Half-sphere
Measurement Range 0–11 pH
Operating Temperature Range 0–100 °C (32–212 °F)
Connector Type BNC
Cable Length 1 m

Applications

  • Hydrofluoric acid concentration and purity analysis
  • Strong mineral acid pH monitoring in chemical laboratories
  • Industrial acid process control and quality assurance
  • Research applications in aggressive chemical environments
  • Electroplating and metal surface treatment operations
  • Chemical manufacturing and process optimization

Frequently Asked Questions

Does the LabSen® 831 HF include a temperature sensor?
No, the electrode does not include an integrated temperature sensor. Users must employ automatic temperature compensation (ATC) via a separate temperature probe such as the MP500, or manually input temperature values for accurate pH correction.
Which pH meters are compatible with the LabSen® 831 HF electrode?
The electrode is compatible with all BNC connector-equipped Apera Instruments pH meters, including the MP511, PH850, PH8500, PH700, PH910, PH950, PH820, and PC820 models.
Why is the silver ion trap system important?
The silver ion trap prevents silver sulfide precipitation at the ceramic junction, which would otherwise block ion flow and compromise measurement accuracy over time, significantly extending electrode service life.
Is this electrode suitable for hydrofluoric acid measurements?
Yes, the LabSen® 831 HF is specifically engineered with HF-resistant glass membrane and construction materials to withstand the corrosive nature of hydrofluoric acid solutions.