Lab Chemicals
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COD Standard 500 mL 50 ppm, Ricca R2226500-500ARiccaR2226500-500A$102.73Order will ship within 1-3 business days -
Conductivity Standard 500 mL , Ricca R5887600-500ARiccaR5887600-500A$12.01Order will ship within 1-3 business days
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Sodium Standard 500 mL 1 ppm, Ricca 7594-16Ricca7594-16$31.93Order will ship within 1-3 business days