Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Materials and reagents
5.1 General
5.2 Base paper
5.3 Spiking compound
5.4 Solvent
6 Equipment
6.1 General
6.2 Micro-syringes
6.3 Glass flasks
6.4 Aluminium foil
7 Preparation of calibration samples
7.1 General
7.2 Preparation of the spiking solutions
7.2.1 General
7.2.2 Stock solution K (800 mg/l)
7.2.3 Solution K 2 (40 mg/l)
7.2.4 Spiking solutions
7.3 Preparation of calibration samples
8 Sensory tests
8.1 General test conditions
8.2 Sensory panel
8.3 Sample presentation
8.4 Sensory evaluation of odour
9 Test procedure for sensory panel
9.1 General
9.2 First step: Assessment before training
9.3 Second step: Training of the panel
9.4 Third step: Assessment after training
10 Data collection and reporting
10.1 General
10.2 Data Format
11 Data analysis
Annex A (informative) Experimental design for sample evaluation
before training (Rep 1)
Annex B (informative) Experimental design for sample evaluation
before training (Rep 2)
Annex C (informative) Example of evaluation form for use during
assessments (first step and third step)
Annex D (informative) Example of evaluation form for use during
training (second step)
Annex E (informative) Experimental design for sample evaluation
after training (Rep 1)
Annex F (informative) Experimental design for sample evaluation
after training (Rep 2)
Annex G (informative) Example of data entry sheets for the first
step
Annex H (informative) Example of data entry sheets for the third
step
Annex I (informative) Mood's median test
Annex J (informative) Tukey's Quick (Pocket) Test
Bibliography