GB/T 23256-2009
Active
National standards
GB/T 23256-2009 Petroleum liquids—Automatic pipeline sampling—Statistical assessment of performance of automatic samplers determining the water content in hydrocarbon liquids
GB/T 23256-2009 Petroleum liquids—Automatic pipeline sampling—Statistical assessment of performance of automatic samplers determining the water content in hydrocarbon liquids
Basic Information
Standard Code:
GB/T 23256-2009
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Petroleum products
ICS Name:
Integrated oil products
Publish Date:
2009-03-16
Implement Date:
2009-10-01
Pages:
29 pages
Scope
This standard describes the mathematical method for evaluating the total uncertainty of automatic sampling systems, which is applicable to automatic sampling systems used to determine the water content in piped oil liquids.
Through statistical methods, the system uncertainties and random uncertainties of a series of independent variables defined in the "extraction"-type automatic sampling systems are synthesized. This mathematical model can evaluate their total uncertainty (tolerance).
The water content determination tolerance, as a function of the number of sampling times, water content, and the number of water content analysis times, is summarized in the form of charts in this standard, as shown in Figures 6 to 11.
Development Information
Referenced Standards
Adopt standards
ISO/TR 9494:1997
Related Standards
GB 1922-1980
Replaced
GB/T 384-1981
Replaced
GB/T 384-1981 Determination of calorific value of petroleum products
GB/T 2540-1981
Replaced
GB/T 2540-1981 Petroleum products—Determination of density—Pyknometer method
GB/T 261-1983
Replaced
GB/T 261-1983 Petroleum products—Determination of flash point—Closed cup method
GB/T 264-1983
Active
GB/T 264-1983 Petroleum products—Determination of acid number
GB/T 3535-1983
Replaced