ASTM E1673-21

4.1This test method is designed specifically for dry formulations, but need not be restricted to these materials.

4.2Either option of this test method (see Section 8) may be used to determine the percent suspensibility.

4.3This test method may not be applicable to all dry formulations such as those containing liquid or soluble technical/pesticides or ingredients that rise to the top upon separation.

4.4This test method may not be applicable to formulations containing ingredients that decompose under the test conditions.

4.5This test method may not give reproducible results if flocculation occurs.

4.6This test method should be run in duplicate.

4.7Products containing water soluble or volatile components may result in errors.

1.1This test method is used to determine the percent suspensibility of dry pesticide formulations.

1.2The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.