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CHÍNH SÁCH KHÁCH HÀNG
Anion multi-element standard I 1000 mg/l: F¯, PO4³¯, Br¯ in H2O CertiPUR (500 ML)
Potassium chloride solution (nominal 12.8 mS/cm) certified reference material for the measurement of (500 ML)
BOD Standard (analogue EN 1899) Standard Solution 210 ±20mg/l (1 SET)
Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of (30 X 30 ML)
Potassium dihydrogen phosphate, di-Sodium hydrogen phosphate certified secondary standard reference (2 X 25 G)
Potassium chloride solution (nominal 0.015 mS/cm) certified reference material for the measurement of (5 X 100 ML)
Potassium chloride solution (nominal 1.41 mS/cm) certified reference material for the measurement of (30 X 30 ML)
POTASSIUM HYDROGEN PHTHALATE VOLUMETRIC (1 Pc)
Potassium chloride solution (nominal 111 mS/cm) certified reference material for the measurement of (500 ML)
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