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Organic Elemental Analysis | CHNS/O Testing Services | Jituotech

Professional organic elemental analysis (OEA) services. Accurate determination of Carbon, Hydrogen, Nitrogen, Sulfur, and Oxygen (CHNS/O) in organic and inorganic materials. High-precision testing for pharmaceuticals, polymers, and catalysts.

Principle of Organic Elements

Based on the Dumas high-temperature decomposition principle, it can quantitatively analyze and determine the contents of C, H, N, S elements in organic substances.

Instrument Model and Parameters

  • Instrument Model: Eurovector EA3000
  • Instrument Technical Parameters
    • Measurement range: 100ppm ~ 100%
    • Precision: At least CHNS: ≤±0.1%; at least O: ≤±1%
    • Accuracy: At least ≤±0.2%
    • Detector: Thermal conductivity detector

Sample Submission Requirements and Precautions

  • Solid or liquid samples. 100~500mg of sample should be placed in a plastic centrifuge tube.
  • Samples must not contain low-boiling solvents or water.

Test Examples

Reference Standards