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CHÍNH SÁCH KHÁCH HÀNG
Sulfur ICP standard traceable to SRM from NIST H2SO4 in H2O 10000 mg/l S CertiPUR (100 ml)
BOD Standard (analogue EN 1899) Standard Solution 210 ±20mg/l (1 SET)
Potassium hydrogen tartrate 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 1.41 mS/cm) certified reference material for the measurement of (500 ML)
di-Sodium tetraborate decahydrate 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 dihydrogen phosphate, di-Sodium hydrogen phosphate certified secondary standard reference (2 X 25 G)
2-Propanol standard for the analysis of tobacco (2.5 L)
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