MIXED CATION STANDARD 6, Ricca Chemical
Manufacturer: Ricca Chemical Co.
VeriSpec Mixed Cation Standard 6 50 ppm Li⁺, Na⁺ 200 ppm; 250 ppm NH, Mg²⁺ ; 500 ppm K⁺, Ca²⁺ Manufactured and Tested i, Shelf Life (Months): 6