1005980001 Spectroquant clor (fara clor) - kit pentru determinare fotometrica clor (reactie cu DPD), 0.010 - 6.00 mg/l Cl2, Merck 1200/cut Cut 2*933=1866 1197780500 Solutie standard de calciu Ca(NO3)2 in HNO3 0.5 mol/l trasabila NIST 1000 mg/l Ca Certipur Merck 500ml Buc 18149=149 1005940001 Spectroquant Aluminiu - Cell Test, kit pentru determinare fotometrica aluminiu, 0.02 - 0.50 mg/l Al, Merck 25/cut Cut 1*507=507 EZHAWG474 EZ-Pak Filters 0.45µm 47mm white gridded General microbiological analysis Merck 600/pach Pach 1*753=753 StablCal Turbidity Standards Calibration Kit 2100N /NIS Turbidimeter Sealed Vials Kit includes sealed vials of <0.1, 20, 200, 1000 and 4000 NTU standards Hach2662105 Buc 1*1726=1726 Reactivi trebuie sa fie insotiti de Certificat de calitate si Fise tehnice de securitate