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CHÍNH SÁCH KHÁCH HÀNG
Aquamerck Fluoride Kit Range 0.15-0.3-0.5-0.8 mg/l F- (100 TESTS)
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)
Buffer solution (di-sodium tetraborate), traceable to SRM from NIST and PTB pH 9.22 (20°C) CertiPUR (1 L)
Platinum Cobalt Color Reference Solution (HAZEN 500) According to DIN EN ISO 7887 and ASTM D1209 Pt 500 (250 ML)
Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of (30 X 30 ML)
Potassium chloride solution (nominal 1.41 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 (30 X 30 ML)
Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable (80 G)
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