Foreword
1 Scope
2 Normative references
3 Principle
4 Safety
5 Reagents
5.1 Acetonitrile, of HPLC grade
5.2 Standards
6 Apparatus
6.1 Sampler
6.2 Sampling pump
6.3 Tubing
6.4 Flow meter calibrator
6.5 High performance liquid chromatograph (HPLC)
7 Procedure
7.1 Test chamber air sampling
7.2 Storage of loaded samplers
7.3 Blanks
7.4 Analysis
7.4.1 Cleaning of glassware
7.4.2 Sample desorption (cartridges)
7.4.3 Sample desorption (tubes)
7.4.4 Standard solutions
7.4.5 Calibration of liquid chromatograph
7.4.6 Analysis of desorbed sample solutions
8 Identification and calculation
8.1 Identification and formaldehyde and acetaldehyde
8.2 Concentration of analytes in the sampled air
9 Interferences
10 Precision and bias
11 Test report
12 Quality control
Bibliography