High repeatability, depends on quantitative loop technology, inert materials, cleaning technology, and stable automated control technology, etc.
Our products is an autosampler for sampling gas from gas bags (e.g. TedlarTM bags).The sampler can take up to 72 gas bags at the same time and analyze in sequence.
ADD-30 is a highly precise syringe pump with a touchscreen interface designed to quickly and easily dilute and dispense fluids.
Meets the relevant quality assurance requirements for sample collection, pre-analytical treatment, and standard sample preparation, as specified in the HJ 759-2015 and HJ 1078-2019 standard methods, the "2019 Monitoring Plan for Volatile Organic Compounds in Ambient Air in Cities at Prefecture Level and Above," and the US EPA TO-14 and TO-15 standard methods.
An atmospheric preconcentrator is an analytical instrument used in the fields of environmental science and technology and resource science and technology. After environmental air is collected through the sampling system, it enters the atmospheric preconcentrator. Under low temperature conditions, VOCs in the environment are condensed and enriched in the cold trap, and then rapidly heated to "flash evaporate" the sample into the analysis system.
Thermal desorption system is a versatile preconcentration and injection technique for gas chromatography(GC/GCMS), which is often used to automate analysis of volatile and semi-volatile organic compounds in air, gas and materials.
The fundamentals of Purge and Trap are time proven. By bubbling a purge gas through your sample matrix, the VOCs are removed and collected on an analytical trap. After the purging is complete, the trap is heated and the VOCs are released and delivered to a gas chromatograph for separation and detection.
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