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CHÍNH SÁCH KHÁCH HÀNG
Reflectoquant Potassium Test (RQ plus) Range 1.0-25.0 mg/l K (100 TESTS)
Potassium chloride solution (nominal 111 mS/cm) certified reference material for the measurement of (500 ML)
Colour Reference Solutions BY for testing the colour intensity acc. to Ph. Eur. BY1-BY7 CertiPUR (1 SET)
Calcium hydroxide for the preparation of DIN 19266 pH standard buffer solutions, pH : 12.45 (25 G)
Colour Reference Solutions Y for testing the colour intensity acc. to Ph. Eur. Y1-Y7 CertiPUR (1 SET)
Potassium dihydrogen phosphate, di-Sodium hydrogen phosphate certified secondary standard reference (2 X 25 G)
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 (30 X 30 ML)
Sodium hydrogen carbonate/sodium carbonate certified secondary standard reference material for pH (2 X 25 G)
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