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CHÍNH SÁCH KHÁCH HÀNG
Aquamerck Magnesium Range/graduation 100-200-300- 500-1000-1500 mg/l (50 TESTS)
Colour Reference Solutions B for testing the colour intensity acc. to Ph. Eur. B1-B9 CertiPUR (1 SET)
Colour Reference Solutions BY for testing the colour intensity acc. to Ph. Eur. BY1-BY7 CertiPUR (1 SET)
Potassium chloride solution (nominal 1.41 mS/cm) certified reference material for the measurement of (500 ML)
Barium sulfate for white standard DIN 5033 (250 G)
Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of (500 ML)
POTASSIUM HYDROGEN PHTHALATE VOLUMETRIC (1 Pc)
Buffer solution (di-sodium tetraborate), traceable to SRM from NIST and PTB pH 9.22 (20°C) CertiPUR (1 L)
2-Propanol standard for the analysis of tobacco (2.5 L)
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