Bel Japan, Inc. is a professional manufacturer of production capacity gas adsorption analyzers. Founded in 1988, the company adheres to the philosophy of "Business for Enjoy Life", starting from the original power, constantly innovating, and launching a number of cutting-edge technologies in the field of adsorption. The first multi-functional catalyst characterization analyzer, the first automatic steam adsorption system, solid electrolyte membrane moisture adsorption and proton conduction analyzer, fuel cell comprehensive evaluation device, etc., greatly enriched the surface adsorption characterization method, and also for Bayer High quality products and services have earned a reputation.

IRMS-TPD is mainly used for:
1. Qualitative quantification of B acid and L acid in acidic catalyst.
2. Study on Mechanism of NOx Elimination in Automotive Exhaust Catalysts
3. Study on CO pulse adsorption mechanism of noble metal supported catalyst

Dachang Huajia is a well-known international trade group headquartered in Zurich, Switzerland. The company has been conducting friendly trade with China since 1900. Dachang Huajia Instrument Department specializes in providing analytical instruments and equipment, and is the sole agent for many European and American advanced instruments. It has a large number of users in China's petrochemical, chemical, pharmaceutical, food, beverage, agricultural technology and many other fields, and has a good market reputation.

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