[76319-250ML-F] TOC standard according to ISO/CEN EN1484, 500 mg/L±10 mg/L (Potassium Phthalate Monobasic), stabilized with 100 ppm ZnSO₄ + 206,800원
[76319-500ML-F] TOC standard according to ISO/CEN EN1484, 500 mg/L±10 mg/L (Potassium Phthalate Monobasic), stabilized with 100 ppm ZnSO₄ + 322,630원