Hydrogen gas quality evaluation
Leveraging the trace chemical analysis sampling and analysis techniques we have developed in the semiconductor industry, we offer high sensitivity analysis of ISO14687-2 Table 1 impurities, as well as analysis of other fuel cell poisoning components.
Test Items
Quality evaluation of hydrogen station supply hydrogen and manufacturing process gases
| No. | substances | maximum allowable concentration | standard method for analysis |
|---|---|---|---|
| 1 | total hydrocarbons | 2ppm | GC-FID |
| 2 | water | 5ppm | Dew point meter |
| 3 | oxygen | 5ppm | Trace oxygen sensor |
| 4 | helium | 300ppm | GC-TCD |
| 5 | argon | 100ppm | GC-TCD |
| 6 | nitrogen | 100ppm | GC-TCD |
| 7 | carbon dioxide | 2ppm | GC-FID(methanation reactor) |
| 8 | carbon monoxide | 0.2ppm | GC-FID(methanation reactor) |
| 9 | sulfer compounds | 0.004ppm | GC-FPD、IC |
| 10 | formaldehyde | 0.01ppm | DNPH/HPLC |
| 11 | formic acid | 0.2ppm | Imp-IC |
| 12 | ammonia | 0.1ppm | Imp-IC |
| 13 | halogen compounds | 0.05ppm | Imp-IC |
| 14 | particles | 1mg/kg | Filter collection, balance |
Technical News
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TN480Determination of Carbon and Sulfur Content in Solid and Powder Sample
- Infrared Absorption Method after Combustion - -
TN311Analysis of Deterioration of Hydrocarbon Polymer Electrolyte Film
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TN310Observation of the cross section of MEA for fuel cells by FE-EPMA
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TN309Observation of the cross section of MEA for fuel cells by X-ray CT
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TN304Materials Evaluation by Use of the Electron Microscope with Cs-corrector
Related Informations
Contact Us for Services
For inquiries and requests concerning services of analysis, measurements, products and consulting , please feel free to contact us via inquiry form or telephone/fax .
- Telephone
- +81-3-5689-1219
- FAX
- +81-3-5689-1222