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CHÍNH SÁCH KHÁCH HÀNG
COD Cell Test Range 300–3500 mg/l COD (25 TESTS)
Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of (30 X 30 ML)
Colour Reference Solutions BY for testing the colour intensity acc. to Ph. Eur. BY1-BY7 CertiPUR (1 SET)
Colour Reference Solutions GY for testing the colour intensity acc. to Ph. Eur. GY1-GY7 CertiPUR (1 SET)
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 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)
Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of (500 ML)
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