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CHÍNH SÁCH KHÁCH HÀNG
CARREZ CLARIFICATION REAGENT KI (2 X 100 ML)
di-Sodium tetraborate decahydrate certified secondary standard reference material for pH measurement; (25 G)
Sodium hydrogen carbonate/sodium carbonate certified secondary standard reference material for pH (2 X 25 G)
Colour Reference Solutions BY for testing the colour intensity acc. to Ph. Eur. BY1-BY7 CertiPUR (1 SET)
Potassium chloride solution (nominal 1.41 mS/cm) certified reference material for the measurement of (500 ML)
Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of (30 X 30 ML)
POTASSIUM HYDROGEN PHTHALATE VOLUMETRIC (1 Pc)
Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of (500 ML)
2-Propanol standard for the analysis of tobacco (2.5 L)
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