NBN EN 15470 : 2008
Current
The latest, up-to-date edition.
LIQUEFIED PETROLEUM GASES - DETERMINATION OF DISSOLVED RESIDUES - HIGH TEMPERATURE GAS CHROMATOGRAPHIC METHOD
12-01-2013
Foreword
1 Scope
2 Normative reference
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Test procedure
7.1 Safety
7.2 Summary of the method
7.3 Sampling procedure
7.4 Evaporation procedure
7.5 Gas Chromatography analysis of the
evaporation residue
8 Calculations
9 Expression of results
10 Precision
10.1 General
10.2 Repeatability, r
10.3 Reproducibility, R
Annex A (normative) - Equipment for the sampling line
and evaporation device
A.1 Sampling set
A.2 Venting lines
Annex B (informative) - Commercial equipment suitable
for the method
B.1 General
B.2 Tube, stainless steel (type 304), ref 30203
B.3 Needle valve type SS-SS 2
B.4 Gas chromatograph Hewlett Packard 5890
B.5 Flasks A1036337
B.6 The GC column is a weakly polar capillary
column, high temperature, type HT5, supplied by SGE
Annex C (informative) - Examples of gas chromatograms
Bibliography
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