Abstract Preview

This part of ISO 16017 gives general guidance for the sampling and analysis of volatile organic compounds (VOCs)

in air. It is applicable to ambient, indoor and workplace atmospheres and the assessment of emissions from

materials in small- or full-scale test chambers.

This part of ISO 16017 is appropriate for a wide range of VOCs, including hydrocarbons, halogenated hydrocarbons,

esters, glycol ethers, ketones and alcohols. A number of sorbents 1) are recommended for the sampling of

these VOCs, each sorbent having a different range of applicability. Very polar compounds will generally require

derivatization, very low boiling compounds will only be partially retained by the sorbents, depending on ambient

temperature, and can only be estimated qualitatively. Semi-volatile compounds will be fully retained by the

sorbents, but may only be partially recovered. Compounds for which this part of ISO 16017 has been tested are

given in tables. This part of ISO 16017 may be applicable to compounds not listed, but in these cases it is

advisable to use a back-up tube containing the same or a stronger sorbent.

This part of ISO 16017 is applicable to the measurement of airborne vapours of VOCs in a concentration range of

approximately 0,5 _g/ m3 to 100 mg/m3 individual compound.

The upper limit of the useful range is set by the sorptive capacity of the sorbent used and by the linear dynamic

range of the gas chromatograph column and detector or by the sample-splitting capability of the analytical

instrumentation used. The sorptive capacity is measured as a breakthrough volume of air, which determines the

maximum air volume that shall not be exceeded when sampling.

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 sorbent tubes. Artefacts are typically sub-nanogram for well-conditioned Tenax GR and

carbonaceous sorbents such as Carbopack/Carbotrap type materials, carbonized molecular sieves and molecular

sieves such as Spherocarb, or pure charcoal; at low nanogram levels for Tenax TA and at 5 ng to 50 ng levels for

other porous polymers such as Chromosorbs and Porapaks. Sensitivity is typically limited to 0,5 _g/m_ for 10-litre

air samples with this latter group of sorbents because of their inherent high background.

The procedure specified in this part of ISO 16017 is applicable to low flowrate personal sampling pumps and gives

a time-weighted average result. It is not applicable to the measurement of instantaneous or short-term fluctuations

in concentration.

1) The sorbents listed in annex C and elsewhere in this International Standard are those known to perform as specified under

this part of ISO 16017. Each sorbent or product that is identified by a trademarked name is unique and has a sole manufacturer;

however, they are widely available from many different suppliers. This information is given for the convenience of users of this

part of ISO 16017 and does not constitute an endorsement by ISO of the product named. Equivalent products may be used if

they can be shown to lead to the same results.

General information

  • Status :  Published
    Publication date : 2000-11
  • Edition : 1
    Number of pages : 32
  • :
    ISO/TC 146/SC 6
    Indoor air
  • 13.040.01
    Air quality in general

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Format Language
  • CHF138

Life cycle

A standard is reviewed every 5 years

Revisions / Corrigenda

  • Now confirmed
    ISO 16017-1:2000

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