{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8485020","patent":{"patent_number":"US-8485020","title":"Semivolatile organic chemical sampling and extraction transfer method and apparati","assignee":null,"inventors":[],"filing_date":"2008-11-26T00:00:00.000Z","publication_date":"2013-07-16T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N","G01N","G01N"],"num_claims":18,"abstract":"One way of practicing the method of the invention is to follow these steps, not necessarily in the disclosed sequence: (1) providing a hot gas spike apparatus to load one or more diffusion denuders with a compound selected from the group consisting of a calibration standard, an internal standard, and a surrogate standard compound in a solvent carrier; (2) pulling one or more samples of ambient atmosphere through at least one of the diffusion denuders in a multicapillary collection device; (3) extracting analytes from at least one of the diffusion denuders in an analyte transfer apparatus or from a filter using an extraction device; (4) optionally cleaning up gaseous extracts or extracts of filters using chromatography, and transferring the collected analytes into an analytical device. To practice the method, an apparatus is disclosed that has a hot gas spike component, a high-flow multicapillary collection device and an analyte transfer apparatus."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semivolatile organic chemical sampling and extraction transfer method and apparati","description":"One way of practicing the method of the invention is to follow these steps, not necessarily in the disclosed sequence: (1) providing a hot gas spike apparatus to load one or more diffusion denuders wi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8485020","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-8485020","citation_suggestion":"Patentable. \"Semivolatile organic chemical sampling and extraction transfer method and apparati\" (US-8485020). https://patentable.app/patents/US-8485020","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8485020","json":"https://patentable.app/api/llm-context/US-8485020","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:58:24.601Z"}