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BS ISO 6923:2023

BS ISO 6923:2023

$102.76

Paints and varnishes. Determination of monomeric diisocyanate content in coating materials and similar products using high performance liquid chromatography with ultraviolet detection (HPLC-UV)

Published By Publication Date Number of Pages
BSI 2023 20
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
10 5.2 Balance
5.3 Filter system, filtration glassware
11 6 Reagents
6.3 4-Nitro-N-propylbenzylamin-hydrochloride (PNBPA-HCl)
6.5 Sodium hydroxide pellets
6.6 Magnesium sulfate
6.8 Molecular sieves, 4 Å.
6.12 Derivatisation agent (PNBPA)
12 7 Reference standards
8 Sampling
9 Procedure
9.1 Sample preparation
13 9.2 Calibration
9.2.1 Preparation of the standard
9.2.2 Quantification
16 10 Calculation
11 Expression of results
17 12 Test report
18 Annex A (informative) Details of validation
19 Bibliography

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BS ISO 6923:2023
$102.76