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CHÍNH SÁCH KHÁCH HÀNG
Osmium ICP standard (NH4)2OsCl6 in HCl 7% 1000 mg/l Os CertiPUR (100 ml)
Barium sulfate for white standard DIN 5033 (250 G)
BOD Standard (analogue EN 1899) Standard Solution 210 ±20mg/l (1 SET)
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)
Potassium chloride solution (nominal 12.8 mS/cm) certified reference material for the measurement of (500 ML)
di-Sodium tetraborate decahydrate certified secondary standard reference material for pH measurement; (25 G)
Potassium chloride solution (nominal 0.015 mS/cm) certified reference material for the measurement of (5 X 100 ML)
Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable (80 G)
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