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CHÍNH SÁCH KHÁCH HÀNG
Reflectoquant pH Test Range pH 4.0-9.0 (50 STRIPS)
Potassium hydrogen phthalate certified secondary standard reference material for pH measurement; (25 G)
Potassium chloride solution (nominal 111 mS/cm) certified reference material for the measurement of (500 ML)
Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of (30 X 30 ML)
Sodium hydrogen carbonate/sodium carbonate certified secondary standard reference material for pH (2 X 25 G)
Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of (500 ML)
Platinum Cobalt Color Reference Solution (HAZEN 500) According to DIN EN ISO 7887 and ASTM D1209 Pt 500 (250 ML)
Calcium hydroxide for the preparation of DIN 19266 pH standard buffer solutions, pH : 12.45 (25 G)
Colour Reference Solutions GY for testing the colour intensity acc. to Ph. Eur. GY1-GY7 CertiPUR (1 SET)
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