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CHÍNH SÁCH KHÁCH HÀNG
Reflectoquant Calcium Test Range 2.5 – 45.0 mg/l Ca (50 TESTS)
POTASSIUM HYDROGEN PHTHALATE VOLUMETRIC (1 Pc)
Potassium hydrogen tartrate certified secondary standard reference material for pH measurement; (25 G)
Potassium chloride solution (nominal 1.41 mS/cm) certified reference material for the measurement of (500 ML)
Calcium hydroxide for the preparation of DIN 19266 pH standard buffer solutions, pH : 12.45 (25 G)
Certificate of analysis available on internet. Conductivity water (nominal 0 mS/cm) Test solution for Measurement (5 X 100 ML)
2-Propanol standard for the analysis of tobacco (2.5 L)
Potassium chloride solution (nominal 12.8 mS/cm) certified reference material for the measurement of (500 ML)
Potassium dihydrogen phosphate, di-Sodium hydrogen phosphate certified secondary standard reference (2 X 25 G)
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