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CHÍNH SÁCH KHÁCH HÀNG
Buffer Solution pH 6.00 30 X 30 ML (1 Pc)
Calcium hydroxide for the preparation of DIN 19266 pH standard buffer solutions, pH : 12.45 (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 12.8 mS/cm) certified reference material for the measurement of (500 ML)
Buffer solution (di-sodium tetraborate), traceable to SRM from NIST and PTB pH 9.22 (20°C) CertiPUR (1 L)
Potassium chloride solution (nominal 111 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 1.41 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)
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