This standard specifies a method for determining the fluorine content of flexible graphite plates using alkali fusion and ion selective electrode methods. This standard is applicable to the determination of fluorine content in flexible graphite plates, with a measurement range of 1 to 1000 ppm.
JB/T 7758.1-1995 history
2008JB/T 7758.1-2008 Test method for F content in flexible graphite sheets
1995JB/T 7758.1-1995 Method for Determination of Fluorine Content in Flexible Graphite Plate