Industry Overview

Blood gas analysis is a core diagnostic method in intensive care, emergency medicine and anesthesiology, enabling rapid assessment of a patient's acid-base balance, oxygenation status and electrolyte levels. Blood gas analyzers use electrochemical electrode sensors to simultaneously measure pH, PO2 (partial pressure of oxygen), PCO2 (partial pressure of carbon dioxide) and electrolyte concentrations (K+, Na+, Ca2+, Cl-, etc.), providing critical evidence for clinical diagnosis.

Huili Biotech specializes in the R&D and manufacturing of blood gas analysis electrode sensors. Using vacuum coating and magnetron sputtering technology, we provide high-precision, high-stability precious-metal electrode sensors for blood gas analyzer and electrolyte analyzer manufacturers in China and worldwide.

Technical Solutions

1. pH Electrodes

The pH electrode is a core component of blood gas analyzers, typically using a glass electrode structure. Huili Biotech provides high-precision silver/silver chloride reference electrodes with excellent potential stability and fast response, supporting long-term continuous monitoring. Through optimized membrane processes, our electrodes maintain accuracy and repeatability under varying temperature and ionic strength conditions.

2. PO2/PCO2 Electrodes

PO2 electrodes are based on the Clark electrode principle, and PCO2 electrodes on the Severinghaus electrode principle. Huili Biotech's platinum electrodes offer high catalytic activity and long-term stability, with dense and uniform films that ensure accurate and reliable oxygen permeation rates and carbon dioxide response. Precision sputtering process control delivers low-drift, high-sensitivity detection performance.

3. Electrolyte Electrodes

Electrolyte analyzers use ion-selective electrode (ISE) technology to measure K+, Na+, Ca2+, Cl- and other ions. Huili Biotech provides high-precision silver and silver chloride electrodes as reference electrodes for ion-selective electrodes, featuring stable potential and low noise, supporting simultaneous multi-channel detection.

Product Series

ProductApplicationTechnical Features
Ag/AgCl Reference ElectrodesBlood gas analyzers, electrolyte analyzersStable potential, fast response, anti-interference
Platinum Electrodes for PO2 DetectionOxygen partial pressure measurement in blood gas analyzersHigh catalytic activity, low drift, long service life
Platinum Electrodes for PCO2 DetectionCO2 partial pressure measurement in blood gas analyzersDense film, sensitive response, high stability
Ion-Selective ElectrodesMulti-ion detection in electrolyte analyzersHigh selectivity, wide range, low detection limit

Customization Process

  1. Requirement Assessment — Understanding measurement parameters, accuracy requirements and operating environment
  2. Solution Design — Defining electrode materials, film thickness, dimensions and packaging scheme
  3. Sample Validation — Providing 3–5 samples for performance and stability testing
  4. Mass Production & Delivery — Entering batch production after validation, with strict quality control
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