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CHÍNH SÁCH KHÁCH HÀNG
COD Cell Test Range 5.0–60.0 mg/l COD (25 TESTS)
Potassium tetraoxalate dihydrate certified secondary standard reference material for pH measurement; (25 G)
Calcium hydroxide for the preparation of DIN 19266 pH standard buffer solutions, pH : 12.45 (25 G)
Colour Reference Solutions R for testing the colour intensity acc. to Ph. Eur. R1-R7 CertiPUR (1 SET)
POTASSIUM HYDROGEN PHTHALATE VOLUMETRIC (1 Pc)
2-Propanol standard for the analysis of tobacco (2.5 L)
Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable (80 G)
Potassium chloride solution (nominal 1.41 mS/cm) certified reference material for the measurement of (500 ML)
Potassium chloride solution (nominal 111 mS/cm) certified reference material for the measurement of (500 ML)
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