1.1 This test method utilizes gas chromatography to determine the amount of dilution in used gasoline fuel engine oils.
1.2 This test method is limited to gas chromatographs equipped with flame ionization detector and programmable oven.
Note 18212;The use of other detectors and instrumentation has been reported. However, the precision statement applies only when the instrumentation specified is employed.
1.3 The applicability of this method to gelled used engine oils has not been adequately investigated to ensure compliance with the indicated repeatability and reproducibility. Gelled oils are defined as oils that develop structure on standing, but that return to their original fluidity with light agitation.
1.4 The values stated in SI units are to be regarded as the standard. Inch-pound units are provided for information only.
1.5 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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