ISO 16200-2:2000

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Publicado (Edición 1, 2000)

Esta publicación se revisó y confirmó por última vez en 2020. Por lo tanto, esta versión es la actual.

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Resumen

This part of ISO 16200 gives general guidance for the sampling and analysis of volatile organic compounds (VOCs)

in air.

This part of ISO 16200 is applicable to a wide range of VOCs, including hydrocarbons, halogenated hydrocarbons,

esters, glycol ethers, ketones and alcohols. A number of devices and sorbents are recommended for the sampling

of these VOCs, each sorbent having a different range of applicability.

NOTE Activated coconut shell charcoal is frequently used. Very polar compounds may require derivatization; very low

boiling compounds will only be partially retained by the sorbents and can only be estimated qualitatively. Semi-volatile

compounds will be fully retained by the sorbents, but may only be partially recovered.

This part of ISO 16200 is valid for the measurement of airborne vapours of VOCs in a concentration range of

approximately 1 mg/m3 to 1000 mg/m3 individual organic for an exposure time of 8 h.

The upper limit of the useful range is set by the sorptive capacity of the sorbent used and, subject to dilution of the

analysed solution, by the linear dynamic range of the gas chromatograph column and detector or by the sample

splitting capability of the analytical instrumentation used. The lower limit of the useful range depends on the noise

level of the detector and on blank levels of analyte and/or interfering artefacts on the sampling devices or in the

desorption solvent. Artefacts are typically sub-nanogram for activated charcoal, but higher levels of aromatic

hydrocarbons have been noted in some batches.

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