【国外标准】 Standard Specification for Calcium Hypochlorite

This specification covers technical-grade calcium hypochlorite in granular form. Sampled specimens shall be tested and conform accordingly to chemical and physical requirements such as available chlorides, moisture content, and particle sizes through a U.S. 14 and U.S. 100 mesh.1.1 This specification covers technical-grade calcium hypochlorite in granular form.1.2 The following applies to all specified limits in this specification: for purposes of determining conformance with this specification, an observed value or a calculated value shall be rounded off “to the nearest unit” in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E29.1.3 Units—The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.1.4 Review the current Safety Data Sheets (SDS) for detailed information concerning toxicity, first aid procedures, handling and safety precautions.1.5 The following safety hazards caveat pertains only to the test methods listed in Sections 3 – 5. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.6 This 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.