Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 10113-1983
Scope
This standard specifies the fluorine content in natural and artificial cryolite based on the modified Willard–Winter method and in natural and synthetic substances with a molar ratio (NaF/AlF3) of approximately 3 to 1.7.
CNS 10113-1983 history
1983CNS 10113-1983 Method for Determining Fluorine Content in Natural and Artificial Cryolite (Modified Willard Winter Method)