【国外标准】 Standard Specification for Fluorocarbon Feedstock Grade Chloroform

This specification covers the requirements for trichloromethane chloroform intended for use as fluorocarbon feedstock. The fluorocarbon feedstock grade chloroform shall have a clear appearance, free of sediments and suspended matters. Tests shall be conducted to determine conformance to the following properties: water content, non-volatile residue content, color in the platinum-cobalt scale, free halogen content, acidity as HCl, dichloroethane content, carbon tetrachloride content, methylene chloride content, dichloroethylene content, and wt% of the assay. Products shall be packaged and labeled in accordance with DOT regulations, state and local regulations, and OSHA regulations.1.1 This specification specifies chloroform (trichloromethane) that is suitable for use as feedstock for fluorocarbons.1.2 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.1.3 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.