ISO 3016:2019
Petroleum and related products from natural or synthetic sources — Determination of pour point
This document specifies a method for the determination of the pour point of petroleum products. A separate procedure suitable for the determination of the lower pour point of fuel oils, heavy lubricant base stock, and products containing residual fuel components is also described.
The procedure described in this document is not suitable for crude oils.
NOTE There is equipment available that uses an automated procedure similar to the one described in this document. However, the precision thereof has not been established[1].
[1] ISO develops an automated test method standard.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Sampling
7 Procedure
8 Expression of results
9 Precision
9.1 General
9.2 Lubricating oils
9.2.1 General
9.2.2 Repeatability
9.2.3 Reproducibility
9.3 Middle distillate and residual fuels
9.3.1 General
9.3.2 Repeatability
9.3.3 Reproducibility
10 Test report
Annex A (normative) Specifications of temperature measuring devices
Annex B (informative) Commonly used chemicals and freezing mixtures
Annex C (informative) Actual derived precision values
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Sampling
7 Procedure
8 Expression of results
9 Precision
9.1 General
9.2 Lubricating oils
9.2.1 General
9.2.2 Repeatability
9.2.3 Reproducibility
9.3 Middle distillate and residual fuels
9.3.1 General
9.3.2 Repeatability
9.3.3 Reproducibility
10 Test report
Annex A (normative) Specifications of temperature measuring devices
Annex B (informative) Commonly used chemicals and freezing mixtures
Annex C (informative) Actual derived precision values
Bibliography