EN 14719:2005

Foreword
1 Scope
2 Principle
3 Reagents
   3.1 General
   3.2 Standards
       3.2.1 Diisopropylnaphthalene (DIPN) (technical
             mixture of isomers)
       3.2.2 Diethylnaphthalene (DEN), with a purity of
             97 % or more
   3.3 Chemicals, Acetone
   3.4 Calibration stock solutions
   3.5 Internal standard stock solution
4 Apparatus and auxiliary aids
   4.1 Gas chromatograph
   4.2 Gas chromatograph analytical capillary column
   4.3 Ultrasonic bath
   4.4 Microsyringes, 100 [mu]l, 250 [mu]l
   4.5 Graduated pipettes, 1 ml, 2 ml, 10 ml
   4.6 40 ml screw top vials, with PTFE
       (polytetrafluorethylene) lined septa
5 Sampling
6 Preparation of test pieces
7 Calibration
   7.1 Calibration standards
       7.1.1 General
       7.1.2 Calibration A
       7.1.3 Calibration B
   7.2 Blank value
   7.3 Control standard
8 Procedure
   8.1 GC-MS analysis
   8.2 Calibration
   8.3 Test piece analysis
       8.3.1 Test piece extracts
       8.3.2 Determination of DIPN
   8.4 Evaluation of data
       8.4.1 Interferences
       8.4.2 Determination of the DIPN concentration in
             the test pieces
       8.4.3 Calculation of the DIPN content in the paper
9 Precision
10 Test report
Bibliography