Instrument Instance

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{
    "ob_id": 14140,
    "uuid": "73bb12b72fe343479bc4228b88ca2b68",
    "title": "CEH PAN Gas Chromatograph",
    "abstract": "This instrument was built at AEA Harwell and given to ITE Edinburgh in early 1990s. Peroxyacetyl nitrate (PAN) concentrations in air were measured using gas chromatography with electron capture detection. Air was pumped through a 5-ml stainless steel sampling loop for 10 min prior to automated injection onto a packed PTFE column (0.4 m1/8 in./5% Carbowax 400 on Chromosorb W) held at 40 8C. The carrier gas was 10% methane in argon, humidified with CuSO4.5H2O, at a flow of 40 ml min1. Samples were taken hourly. Detection was by ECD, held at 50C; chromatograms were recorded at 1-s intervals and stored digitally. Each chromatogram was inspected, the baseline inserted manually, and the PAN peak integrated using customised software. PAN was measured every hour. This instrument has been scrapped.",
    "keywords": "PAN, GC-ECD",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/8790/?format=api"
    ],
    "instrumentType": "gas_chromatograph",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/54256/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/54254/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/54534/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/54253/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/54255/?format=api"
    ]
}