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CHÍNH SÁCH KHÁCH HÀNG
UV-VIS Standard 1: Potassium dichromate solution for absorbance according to Ph Eur (8X10ML)
Colour Reference Solutions BY for testing the colour intensity acc. to Ph. Eur. BY1-BY7 CertiPUR (1 SET)
Buffer solution (di-sodium tetraborate), traceable to SRM from NIST and PTB pH 9.22 (20°C) CertiPUR (1 L)
Potassium chloride solution (nominal 1.41 mS/cm) certified reference material for the measurement of (30 X 30 ML)
di-Sodium tetraborate decahydrate certified secondary standard reference material for pH measurement; (25 G)
POTASSIUM HYDROGEN PHTHALATE VOLUMETRIC (1 Pc)
Certificate of analysis available on internet. Conductivity water (nominal 0 mS/cm) Test solution for Measurement (5 X 100 ML)
Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable (80 G)
Potassium dihydrogen phosphate, di-Sodium hydrogen phosphate certified secondary standard reference (2 X 25 G)
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