1.1 This test method covers the sampling
and determination of purity of essentially pure compounds for which the
freezing points for zero impurity and cryoscopic constants are given.
The compounds to which the test method is applicable are: (
1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.
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.
This test method covers systems in which the impurities form with the major component a substantially ideal or sufficiently dilute solution, and also systems which deviate from the ideal laws, provided that, in the latter case, the lowering of the freezing point as a function of the concentration is known for each most probable impurity in the given substance.
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