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CHÍNH SÁCH KHÁCH HÀNG
Chloride Standard Solution 250 mg/l Cl mg/l Cl ± 8 mg/l Cl (100 ml)
Potassium chloride solution (nominal 111 mS/cm) certified reference material for the measurement of (500 ML)
Certificate of analysis available on internet. Conductivity water (nominal 0 mS/cm) Test solution for Measurement (5 X 100 ML)
Potassium dihydrogen phosphate, di-Sodium hydrogen phosphate certified secondary standard reference (2 X 25 G)
BOD Standard (analogue EN 1899) Standard Solution 210 ±20mg/l (1 SET)
Colour Reference Solutions R for testing the colour intensity acc. to Ph. Eur. R1-R7 CertiPUR (1 SET)
Potassium hydrogen phthalate 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 hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable (80 G)
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