Evaporation loss of lubricating oils by the
Noack method - Test method
(First revision)
1.1 This test method covers three procedures for determining
the evaporation loss of lubricating oils (particularly engine
oils). Procedure A uses the Noack evaporative tester equipment;
Procedure B uses the automated non-Woods metal
Noack evaporative apparatus; and Procedure C uses Selby-
Noack volatility test equipment. The test method relates to one
set of operating conditions but may be readily adapted to other
conditions when required.
1.2 Noack results determined using Procedures A and B
show consistent differences. Procedure A gives slightly lower
results versus Procedure B on formulated engine oils, while
Procedure A gives higher results versus Procedure B on
basestocks.
1.3 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this
standard.
1.4 This standard does not purport to address all of the
safety concerns, 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.
