Transcription of Classification of refrigerants - IIR
{{id}} {{{paragraph}}}
Example: quiz answers
Classification of refrigerants - IIR
INSTITUT INTERNATIONAL DU FROID Organisation intergouvernemen ale tpour le d veloppement du froid INTERNATIONAL INSTITUTE OF REFRIGERATION Intergovernmental organization for the development of refrigeration 177, boulevard Malesherbes, 75017 PARIS, France - T l. 33-(0)1 42 27 32 35 - Fax 33-(0)1 47 63 17 98 - E-mail : - Web : Classification of refrigerants This text is based on the American standard ANSI/ASHRAE 34 published in 2001 and entitled Designation and Safety Classification of refrigerants . This Classification makes it possible to designate all refrigerants used in a clear and internationally recognized manner by classifying them according to their chemical composition.
Example: R22 (chlorodifluoromethane – CHClF 2) R022 0: Number of carbon atoms – 1 2: Number of hydrogen atoms + 1 2: Number of fluorine atoms Number of chlorine atoms : 1 (i.e. 4 minus 1 hydrogen atom and minus 2 fluorine atoms) For cyclic derivatives, the letter C is used before the refrigerant’s identification number.
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document:
Related search queries
Azeotropic, AZEOTROPIC DATA FOR BINARY MIXTURES, Azeotropic distillation with an internal decanter, METHOD 8015B NONHALOGENATED ORGANICS, METHOD 8015B NONHALOGENATED ORGANICS USING, Method 8260B: Volatile Organic Compounds By, Sulfonation and Sulfation Processes, December 2007 Product & Technology, Isopropyl Alcohol