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CHÍNH SÁCH KHÁCH HÀNG
Spectroquant Fluoride Test Range 0.10–20.0 mg/l F – (100 TESTS)
di-Sodium tetraborate decahydrate certified secondary standard reference material for pH measurement; (25 G)
Potassium tetraoxalate dihydrate certified secondary standard reference material for pH measurement; (25 G)
Platinum Cobalt Color Reference Solution (HAZEN 500) According to DIN EN ISO 7887 and ASTM D1209 Pt 500 (250 ML)
Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of (30 X 30 ML)
Potassium chloride solution (nominal 12.8 mS/cm) certified reference material for the measurement of (30 X 30 ML)
POTASSIUM HYDROGEN PHTHALATE VOLUMETRIC (1 Pc)
Potassium hydrogen phthalate certified secondary standard reference material for pH measurement; (25 G)
Buffer solution (di-sodium tetraborate), traceable to SRM from NIST and PTB pH 9.22 (20°C) CertiPUR (1 L)
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