Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 10119-1983
Scope
This standard specifies the use of traditional testing methods to quantify the free fluoride content in natural, artificial and recycled cryolite. This method is applicable to products with a free fluoride AlF3 content exceeding 0.15% or a NaF content exceeding 0.4%.
CNS 10119-1983 history
1983CNS 10119-1983 Method for Determining Free Fluorides Content in Natural and Artificial Cryolite (Conventional Test)