BS 5381-5:1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Methods for determination of physical properties of tobacco and tobacco products Draw resistance of cigarettes and pressure drop of filter rods
Hardcopy , PDF
24-05-2002
English
15-11-1999
1 Scope
2 Normative references
3 Terms and definitions
4 Test conditions
4.1 Test conditions common to cigarettes and
filter rods
4.2 Conditions particular to cigarettes:
Insertion of the test piece
4.3 Conditions particular to filter rods:
Encapsulation
5 Instrument calibration
6 Procedure
6.1 Conditions common to vacuum and pressure
instruments
6.2 Conditions particular to vacuum instruments
6.3 Conditions particular to pressure
instruments (for filter rods only)
7 Expression of results
8 Precision
8.1 Interlaboratory test
8.2 Repeatability, r
8.3 Reproduceability, R
9 Test report
Annex A (normative) Calibration of draw resistance or
pressure drop instruments using
pressure drop transfer standards
Annex B (normative) Calibration of pressure drop
transfer standards
Annex C (informative) Results of an interlaboratory
trial
Annex D (informative) Comparison of draw resistance
of pressure drop measurement:
Critical flow orifice instruments
vs. constant mass flow instruments
Bibliography
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