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Table 4 Test conditions of active-mode tests (with forced air exchange)

From: Adsorbent media for the sustainable removal of organic air pollutants from museum display cases

ParametersAdjustment/procedure
Chamber volume [m3]1
Adsorbent weight [g]ca. 3
Temperature [°C]30 ± 2
Relative humidity [%]50 ± 5
Air exchange rate [h−1]0.5
Testing time [h]72
Injected target substances [mg/ml]Para-formaldehyde: 12 mg
Acetic acid, formic acid, toluene, alpha-pinene: 10 ml
Sampling intervals [h]5, 24, 30, 48, 72
Sampling VOCsAdsorbent: Tenax TA®, sampling volume: 3 l, analysis: TD-GC/MS
Sampling formaldehydeAdsorbent: distilled water, sampling volume: 30 l, analysis: acetylacetone-fluorescence
Sampling formic acid and acetic acidAdsorbent: silica gel, sampling volume: 30 l, analysis: IC