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CHÍNH SÁCH KHÁCH HÀNG
US Adapter for Power Supply 1 PC (1 Pc)
Platinum Cobalt Color Reference Solution (HAZEN 500) According to DIN EN ISO 7887 and ASTM D1209 Pt 500 (250 ML)
Colour Reference Solutions GY for testing the colour intensity acc. to Ph. Eur. GY1-GY7 CertiPUR (1 SET)
BOD Standard (analogue EN 1899) Standard Solution 210 ±20mg/l (1 SET)
Buffer solution (di-sodium tetraborate), traceable to SRM from NIST and PTB pH 9.22 (20°C) CertiPUR (1 L)
di-Sodium tetraborate decahydrate certified secondary standard reference material for pH measurement; (25 G)
Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of (500 ML)
Potassium hydrogen phthalate certified secondary standard reference material for pH measurement; (25 G)
Colour Reference Solutions BY for testing the colour intensity acc. to Ph. Eur. BY1-BY7 CertiPUR (1 SET)
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