Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 5349-1980
Scope
This standard specifies the testing methods for the acid value of rosin, including the following two methods: internal indicator method and potentiometer. (Note) Note: The internal indicator method is suitable for rosin of light color (to the point where the indicator can be distinguished), and the potentiometer method can be used for rosin of various shades of color.
CNS 5349-1980 history
1980CNS 5349-1980 Method of Test for Acid Number of Rosin