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Continue shopping เพิ่ม “Buffer solution (boric acid/potassium chloride/sodium hydroxide)” ในตะกร้าเรียบร้อย
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× Acetic Acid Glacial, AR
× Sodium Hydroxide 99%, AR
× Acetone , AR
× Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate)
× 1413 µS/cm Conductivity Standard (500mL Bottle)
× 100317 | Hydrochloric acid fuming 37%
× 84 µS/cm Conductivity Standard (500mL Bottle)
× pH 4.01 Calibration Solution (500 mL)
× 110983 | N,N-Dimethylformamide
× Buffer solution (boric acid/potassium chloride/sodium hydroxide)