ONORM EN ISO 3838 : 2004
Current
The latest, up-to-date edition.
CRUDE PETROLEUM AND LIQUID OR SOLID PETROLEUM PRODUCTS - DETERMINATION OF DENSITY OR RELATIVE DENSITY - CAPILLARY-STOPPERED PYKNOMETER AND GRADUATED BICAPILLARY PYKNOMETER METHODS
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
4.1 Capillary-stoppered pyknometer
4.2 Graduated bicapillary pyknometer
5 Apparatus
6 Preparation of pyknometer
7 Calibration of pyknometer
7.1 Conditioning
7.2 Capillary-stoppered pyknometer
7.3 Graduated bicapillary pyknometer
7.4 Other reference temperatures
7.5 Recalibration
8 Procedure for capillary-stoppered pyknometers
8.1 Procedure for liquids
8.2 Procedure for solid or semi-solid sample
9 Procedure for graduated bicapillary pyknometers
10 Calculation
10.1 Symbols
10.2 Reference, calibration and test temperatures
10.3 Correction for the thermal expansion of the pyknometer
10.4 Calculation of density of a liquid
10.5 Calculation of relative density of liquid
10.6 Calculation of density or relative density of a solid
or semi-solid
11 Precision
11.1 Capillary-stoppered pyknometer method
11.2 Graduated bicapillary pyknometer method
12 Test report
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