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CHÍNH SÁCH KHÁCH HÀNG
Housing Intermedia Part for 1 PC (1 Pc)
Potassium tetraoxalate dihydrate certified secondary standard reference material for pH measurement; (25 G)
Potassium chloride solution (nominal 1.41 mS/cm) certified reference material for the measurement of (500 ML)
Potassium dihydrogen phosphate, di-Sodium hydrogen phosphate certified secondary standard reference (2 X 25 G)
Buffer solution (di-sodium tetraborate), traceable to SRM from NIST and PTB pH 9.22 (20°C) CertiPUR (1 L)
Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable (80 G)
Potassium chloride solution (nominal 111 mS/cm) certified reference material for the measurement of (500 ML)
Potassium hydrogen phthalate certified secondary standard reference material for pH measurement; (25 G)
Potassium chloride solution (nominal 12.8 mS/cm) certified reference material for the measurement of (500 ML)
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