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BSI 23/30453566 DC 2023

BSI 23/30453566 DC 2023

$13.70

BS EN ISO 17895. Paints and varnishes. Determination of volatile organic compound (VOC). Gas-chromatographic method with headspace injection for VOC determination

Published By Publication Date Number of Pages
BSI 2023 21
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PDF Catalog

PDF Pages PDF Title
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
12 4 Principle
5 Required information
6 Apparatus
6.1 Gas chromatograph
6.1.1 Headspace injector
6.1.2 Oven
6.1.3 Detector
13 6.1.4 Capillary column
6.1.5 Gas filters
6.1.6 Gases
6.1.7 Data processing
6.2 Microlitre syringe,
6.3 disposable plastic syringe.
6.4 Septum-sealable vials
6.5 Volumetric flask
6.6 Analytical balance
14 7 Reagents
7.1 demineralized water, of grade€1 in accordance with ISO 3696.
7.2 Surrogate standard
7.3 Marker compound
7.4 Citrate buffer, pH€5,0
7.5 Polymerisation inhibitor
8 Procedure
8.1 Number of determinations
15 8.2 Sample preparation
8.2.1 General
8.2.2 Dilution of original sample
8.2.3 Preparation of test samples for analysis without multiple standard additions
8.2.4 Preparation of test samples for analysis with multiple standard additions
16 8.3 Analysis
8.3.1 Headspace injector
8.3.2 Gas chromatograph
17 8.3.3 Determination of integration end point
9 Evaluation
18 10 Calculation
10.1 General
10.2 Method 1: VOC content, as a percentage by mass, of the product “ready for use”
10.2.1 Calculation for multiple standard additions
19 10.3 Method€2: VOC content, in grams per litre, of the product “ready for use”
20 11 Precision
11.1 General
11.2 Repeatability limit r
11.3 Reproducibility limit R
12 Test report
21 Annex€A (informative) Gas chromatogram of the reference compound mixture and tetradecane

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BSI 23/30453566 DC 2023
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