ASTM E2649-20 使用火花发射光谱测定密封绝缘玻璃单元中的氩浓度的标准测试方法.pdf

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standardis.Guides and Remendations issued by the World Trade Organization Technical Barriers to Trade (TBT)Committee. Designation:E2649-20 TU INTERNATIONAL Standard Test Method for Determining Argon Concentration in Sealed Insulating Glass Units Using Spark Emission Spectroscopy This standard is issued under the fixed designation E2649:the number immediately following the designation indicates the year of original adoption or in the case of revision the year of last revision.A number in parentheses indicates the year of last reapproval.A superseript epsilon (e)indicates an editorial change since the last revision or reapproval. 1.Scope ization established in the Decision on Principles for the 1.1 This test method covers procedures for using a spark Development of International Standards.Guides and Re- emission spectroscope to determine the concentration of argon mendations issued by the World Trade Organization Technical gas in the space between the lites of a sealed insulating glas...