Achizitie reactivi de laborator- a) Hydrogen peroxide 30%, p.a., ISO, pentru AAS Conc. 30% Heavy metals(Pb) ≤1 ppm,Cl ≤0.05 ppm,NO3 ≤2 ppm,PO4 ≤1 ppm,SO4 ≤1 ppm,N ≤4 ppm,As ≤0.01 ppm,Cd ≤0.01 ppm,Cu ≤0.01 ppm,Fe ≤0.05 ppm,Mg ≤0.05 ppm,Ca ≤0.2 ppm,Mn ≤0.01 ppm,Na ≤0.1 ppm,K ≤0.1 ppm,Zn ≤0.05 ppm,ISO -reagent,Certificat de calitate ,Certificat de analize.Termen de valabilitate ¾ din perioada de valabilitate totala inscrisa...
Achizitie reactivi de laborator- a) Hydrogen peroxide 30%, p.a., ISO, pentru AAS Conc. 30% Heavy metals(Pb) ≤1 ppm,Cl ≤0.05 ppm,NO3 ≤2 ppm,PO4 ≤1 ppm,SO4 ≤1 ppm,N ≤4 ppm,As ≤0.01 ppm,Cd ≤0.01 ppm,Cu ≤0.01 ppm,Fe ≤0.05 ppm,Mg ≤0.05 ppm,Ca ≤0.2 ppm,Mn ≤0.01 ppm,Na ≤0.1 ppm,K ≤0.1 ppm,Zn ≤0.05 ppm,ISO -reagent,Certificat de calitate ,Certificat de analize.Termen de valabilitate ¾ din perioada de valabilitate totala inscrisa pe eticheta produsului. -2 L b) NH4H2PO4 Modificator de matrice pentru Aanalist 800 cu cuptor de grafit.Concentratie 100±2 g/l in H2O.Valabilitate ¾ din termenul inscris in certificatul de analiza -100 ml.