D721-97
Standard Test Method for Oil Content of Petroleum Waxes

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 D-938, and containing not more than 15 % of oil.

1.2 The values stated in inch-pound units are to be regarded as the standard. The values in parentheses are for information only.

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 method is not applicable to the material under test.

 

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