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Inter-laboratory comparison scheme for fuel sector, LABKAR in Turkey
Date
2009-08-01
Author
TÜRKER BAYRAK, ÖZLEM
Okandan, Ender
Uckardes, Hale
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Fuel sector is one of the powerful sectors in Turkish industry. The implementation of a new law for regulating the fuel sector had enforced the quality control of fuels sold to public. This resulted in several accredited fuel-testing laboratories to emerge. Thus, a scheme to evaluate their proficiency in measurements became an important requirement. The inter-laboratory comparison scheme LABKAR for gasoline, diesel oil, LPG, lubricating oil and biodiesel samples have evolved to fulfill this need. In this paper, LABKAR is introduced; the results obtained from the program are analyzed and discussed. The kernel densities of the participants' results show that the use of robust mean as a consensus value is appropriate for fuel samples. Although the number of rounds is not enough to derive strict conclusions, it is seen that the performance of the scheme based on the standard deviations and coefficient of variations is improving in each round. It has been observed that the number of laboratories receiving "action" or "warning" is decreasing, which indicates that they are benefiting from the scheme.
Subject Keywords
Instrumentation
,
General Chemistry
,
General Chemical Engineering
,
Safety, Risk, Reliability and Quality
URI
https://hdl.handle.net/11511/66808
DOI
https://doi.org/10.1007/s00769-009-0542-7
Collections
Petroleum Research Center (PAL), Conference / Seminar
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Ö. TÜRKER BAYRAK, E. Okandan, and H. Uckardes, “Inter-laboratory comparison scheme for fuel sector, LABKAR in Turkey,” 2009, vol. 14, p. 497, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/66808.
