เครื่องเตรียมตัวอย่าง CDS 8500A Purge and Trap Autosampler
SKU : CDS-PAT-8500A
CDS's 3nd generation Purge and Trap autosampler
แบรนด์ :CDS Analytical
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Purge and Trap, invented in the 60s in response to the Clean Water Act, is the most effective method to answer these challenges for extracting and concentrating volatile organic compounds (VOC) from liquids and solids. The Purge and Trap process involves purging the sample with an inert gas in a sealed environment (sparge vessle) at the appropriate temperature. The gas going through the sample will establish thermal equilibrium with VOCs in the sample, therefore transferring the VOCs from an aqueous state to a vapor. After eliminating the moisture through the wet trap, the gas is then swept to an analytical trap that absorbs and retains the VOCs , where they are transferred to the Gas Chromatograph for further analysis.
The 8500A autosampler is a 110 position autosampler with dynamic headspace sampling function for EPA methods 524, 624 and 8260 (both water and soil).
- 110 Position Autosampler
- 4 channels Internal Standard
- Water and Soil Mode
- Dynamic Headspace
- Methanol Extraction
The 8500A autosampler is a 110 position autosampler with dynamic headspace sampling function for EPA methods 524, 624 and 8260 (both water and soil).
- 110 Position Autosampler
- 4 channels Internal Standard
- Water and Soil Mode
- Dynamic Headspace
- Methanol Extraction
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