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CHÍNH SÁCH KHÁCH HÀNG
Selenium standard 1000 mg Se, (SeO2 in HNO3) Titrisol (1 AMP)
2-Propanol standard for the analysis of tobacco (2.5 L)
Potassium hydrogen tartrate certified secondary standard reference material for pH measurement; (25 G)
POTASSIUM HYDROGEN PHTHALATE VOLUMETRIC (1 Pc)
Colour Reference Solutions R for testing the colour intensity acc. to Ph. Eur. R1-R7 CertiPUR (1 SET)
Potassium tetraoxalate dihydrate certified secondary standard reference material for pH measurement; (25 G)
Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of (30 X 30 ML)
Colour Reference Solutions Y for testing the colour intensity acc. to Ph. Eur. Y1-Y7 CertiPUR (1 SET)
Potassium hydrogen phthalate certified secondary standard reference material for pH measurement; (25 G)
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