ASTM B 712 - 93 (Reapproved 2006) Standard Guide for Determination of Sodium and Potassium Content For Silver - Cadmium Oxide Contact Materials

American Society for Testing and Materials (ASTM). Current edition approved June 1, 2006. Published June 2006. Originally approved in 1982. Last previous edition approved in 1999 as B 712 – 93 (1999). 2 p. This guide describes procedures for use in conducting analysis of silver-cadmium oxide materials for sodium and potassium content. The exact methods for the performance of this testing are not stated since many different procedures are equally applicable. This guide points out specific procedures for decreasing the chance of recognized potential errors and specifies methods for increasing the sensitivity of the testing.