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What is the meaning of a secondary correlation for sulfur, pour point, etc.?

April 26, 2017correlation point pour Secondary sulfur

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What is the meaning of a secondary correlation for sulfur, pour point, etc.?

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The NMR analyzer can serve as a secondary reference for some parameters. However, accuracy and precision levels are not quantifiable in many cases, e.g. sulfur compounds bound to hydrogen as in high sulfur crude oil.