Foreword
1 Scope
2 Normative references
3 Principle
4 Safety
5 Reagents and materials
6 Apparatus
6.1 Sampler
6.1.1 Filter holder
6.1.2 Filter
6.2 Filtration equipment
6.3 Sampling pump
6.4 Tubing
6.5 Flow meter calibrator
6.6 High performance liquid chromatograph (HPLC)
7 Procedure
7.1 Preparation of sampling devices
7.2 Test chamber air sampling
7.3 Storage of loaded sampling filters
7.4 Blanks
7.5 Analysis
7.5.1 Cleaning of glassware
7.5.2 Sample desorption and pre-reaction before HPLC
analysis
7.5.3 Preparation of calibration standards
7.5.4 Calibration of liquid chromatograph
7.5.5 Analysis of pre-reacted sample solutions
8 Identification and calculation
8.1 Identification and isocyanates
8.2 Concentration of analytes in the sampled air
9 Interferences
10 Precision and bias
11 Test report
12 Quality control
Bibliography