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CHÍNH SÁCH KHÁCH HÀNG
O-XYLENE REFERENCE SUBSTANCE FOR GAS CHR (5 ML)
Sodium hydrogen carbonate/sodium carbonate certified secondary standard reference material for pH (2 X 25 G)
Potassium hydrogen tartrate certified secondary standard reference material for pH measurement; (25 G)
POTASSIUM HYDROGEN PHTHALATE VOLUMETRIC (1 Pc)
di-Sodium tetraborate decahydrate certified secondary standard reference material for pH measurement; (25 G)
Potassium dihydrogen phosphate, di-Sodium hydrogen phosphate certified secondary standard reference (2 X 25 G)
Barium sulfate for white standard DIN 5033 (250 G)
Potassium chloride solution (nominal 1.41 mS/cm) certified reference material for the measurement of (500 ML)
Colour Reference Solutions Y for testing the colour intensity acc. to Ph. Eur. Y1-Y7 CertiPUR (1 SET)
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