1.1 This test method determines the purity of present commercially available rubber chemical accelerators in the range from 80 to 100% by high performance liquid chromatography using ultraviolet detection and external standard calculations.

1.2 Expertise in high performance liquid chromatography (HPLC) is necessary to the successful application of this test method.

1.3 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.