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1.1 ,This test method covers the determination of oil in petroleum waxes having a congealing point of 30 ,°,C (86 ,°,F) or higher as determined in accordance with Test Method D938, and containing not more than 15 ,% of oil.2
Note 1: ,With some types of waxes, of oil contents greater than 5 ,%, there may be an incompatibility with MEK resulting in the formation of two liquid phases. If this occurs, the test method is not applicable to the material under test.