Study on establishment of emission cell test method for liquid phase building materials

The aim of this study was to evaluate and establish of emission test method for liquid phase building materials such as paint, adhesive, sealant by emission cell. A small-scale emission chamber and emission cell were used to evaluate emission of TVOC from paint, adhesive, sealant. The quantity of TVOC emission were measured by a gas chromatography/mass spectrometry (GC/MS). Background concentration of TVOC was below 10 mu g/m(3) in the emission chamber and cell. Air tightness and recovery in chamber and cell showed good results. The recovery of thermal desorber for toluene and n-dodecane were about 120%. The repeatability of response factor and retention time in GC/MS below 30%. The method detection limit of VOCs ranged 0.04 similar to 8.82 ng. The concentration of TVOC emission using emission cell was 1.35 similar to 1.41 times higher than emission chamber. The correlation of TVOC emission using chamber and cell method was significantly high (r= 0.91 similar to 0.97).