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CHÍNH SÁCH KHÁCH HÀNG
Spectroquant Ammonium Test Range 2.0–150 mg/l NH4- N, 2.6–193 mg/l NH4 (100 TESTS)
Potassium chloride solution (nominal 111 mS/cm) certified reference material for the measurement of (500 ML)
BOD Standard (analogue EN 1899) Standard Solution 210 ±20mg/l (1 SET)
Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable (80 G)
Barium sulfate for white standard DIN 5033 (250 G)
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)
Potassium dihydrogen phosphate, di-Sodium hydrogen phosphate certified secondary standard reference (2 X 25 G)
Colour Reference Solutions GY for testing the colour intensity acc. to Ph. Eur. GY1-GY7 CertiPUR (1 SET)
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