I.S. EN 14719:2005
Current
The latest, up-to-date edition.
PULP, PAPER AND BOARD - DETERMINATION OF THE DIISOPROPYLNAPHTHALENE (DIPN) CONTENT BY SOLVENT EXTRACTION
Hardcopy , PDF
English
01-01-2005
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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
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