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The most common characteristics used to identify the quality of a crude are its API gravity and its sulfur content.
Crude is is considered sweet if sulfur content < 0.5 % and sour if sulfur content > 0.5 %.
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The most common characteristics used to identify the quality of a crude are its API gravity and its sulfur content.
Crude is is considered sweet if sulfur content < 0.5 % and sour if sulfur content > 0.5 %.
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