BS ISO 17735:2009
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Workplace atmospheres. Determination of total isocyanate groups in air using 1-(9-anthracenylmethyl)piperazine (MAP) reagent and liquid chromatography
Hardcopy , PDF
04-15-2019
English
06-30-2009
Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Reagents and materials
5 Apparatus
6 Air sampling
6.1 Pre-sampling laboratory preparation
6.2 Pre-sampling field preparation
6.3 Collection of air samples
6.4 Blanks and negative controls
6.5 Bulk products
6.6 Shipment of samples
6.7 Filter test samples
6.8 Impinger test samples
7 HPLC analysis
7.1 Instrumental settings
7.2 HPLC programme
8 Data handling
8.1 Monomer measurement
8.2 Oligomer measurement (total detectable isocyanate)
9 Calibration and quality control
9.1 Standard matching solutions
9.2 Calibration curves
9.3 Blank tests
9.4 Bulk products
9.5 Quality control spikes
10 Calculations
10.1 Monomer
10.2 Oligomers (total detectable isocyanate)
11 Interferences
12 Determination of performance characteristics
12.1 Introduction
12.2 Assessment of performance characteristics
Annex A (informative) - Performance characteristics
Bibliography
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