Standards, M, Ricca Chemical, Chemicals, 7447-40-7; 7790-69-4; 7631-99-4, 100 mL
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VeriSpec™ Mixed Cation Standard 6
Ricca Chemical50 ppm Li+; 200 ppm Na+, K+, Mg 2+ ; 400 ppm NH4+, 1000 ppm Ca 2+ Matrix: H2O Min: >= 398 Max: = Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility
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