ДСТУ EN ISO 11890-2:2022 Краски и лаки. Определение содержания летучих органических соединений (VOC) и/или полулетучих органических соединений (SVOC). Часть 2. Газохроматографический метод (EN ISO 11890-2:202...



ДСТУ EN ISO 11890-2:2022
(EN ISO 11890-2:2020, IDT; ISO 11890-2:2020, IDT)

Фарби та лаки. Визначення вмісту летких органічних сполук (VOC) та/або
напівлетких органічних сполук (SVOC). Частина 2. Газохроматографічний метод

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Principle

5 Required information

6 Apparatus

6.1 Gas chromatograph

6.2 Oven

6.3 Detector

6.4 Capillary column

6.5 Analytical system performance criteria

6.6 Qualitative-analysis equipment

6.7 Injection syringe

6.8 Data processing

6.9 Sample vials

6.10 Gas filters

6.11 Gases

7 Reagents

7.1 General

7.2 Internal standard

7.3 Surrogate standard

7.4 Marker compound

7.5 Performance criteria compounds

7.6 Calibration compounds

7.7 Extraction solvent

8 Procedure

8.1 Sampling

8.2 Analysis

8.3 Calibration

8.4 Quality assurance

8.5 Gas chromatographic conditions

8.6 Density

8.7 Water content

9 Data analysis

9.1 Integration and identification of compounds

9.2 Classification of compounds

10 Quantitative determination of compound content

10.1 General

10.2 Quantitative determination of compound content

11 Calculation of VOC and SVOC content

11.1 General

11.2 Method 1 — VOC content and/or SVOC content, as a percentage by mass, of the product "ready for use ”

11.3 Method 2 — VOC content and/or SVOC content, in grams per litre, of the product "ready for use ”

11.4 Method 3 — VOC content and/or SVOC content, in grams per litre, of the product "ready for use ” less water

11.5 Method 4 — VOC content and/or SVOC content, in grams per litre, of the product "ready for use" less water and less exempt compounds

12 Data evaluation and calculation of final results

13 Precision

13.1 General

13.2 Repeatability limit, r

13.3 Reproducibility limit, R

14 Test report

Annex A (normative) Non-exhaustive list of VOC, SVOC and NVOC compounds

Annex В (informative) Information on thermal unstable products

Annex C (informative) Examples for GC method conditions

Annex D (informative) Results of the round robin test for the determination of precision data

Bibliography