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CHÍNH SÁCH KHÁCH HÀNG
N-TRIDECANE REFERENCE SUBSTANCE FOR GAS (5 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 0.015 mS/cm) certified reference material for the measurement of (5 X 100 ML)
Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable (80 G)
Barium sulfate for white standard DIN 5033 (250 G)
Potassium hydrogen tartrate certified secondary standard reference material for pH measurement; (25 G)
Colour Reference Solutions B for testing the colour intensity acc. to Ph. Eur. B1-B9 CertiPUR (1 SET)
Colour Reference Solutions GY for testing the colour intensity acc. to Ph. Eur. GY1-GY7 CertiPUR (1 SET)
Potassium hydrogen phthalate certified secondary standard reference material for pH measurement; (25 G)
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