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CHÍNH SÁCH KHÁCH HÀNG
Merckoquant Total hardness Range/graduation 89-178- 267-356-445 mg/l CaCO3 (100 STRIPS)
Potassium chloride solution (nominal 0.015 mS/cm) certified reference material for the measurement of (5 X 100 ML)
Certificate of analysis available on internet. Conductivity water (nominal 0 mS/cm) Test solution for Measurement (5 X 100 ML)
Potassium dihydrogen phosphate, di-Sodium hydrogen phosphate certified secondary standard reference (2 X 25 G)
Colour Reference Solutions R for testing the colour intensity acc. to Ph. Eur. R1-R7 CertiPUR (1 SET)
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)
Colour Reference Solutions Y for testing the colour intensity acc. to Ph. Eur. Y1-Y7 CertiPUR (1 SET)
Barium sulfate for white standard DIN 5033 (250 G)
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