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DA36387673 · publicată 29.08.2024 · finalizată 29.08.2024 · de la Emsar S.R.L. (Bucuresti)
Reactivi conform anunt ADV1442169 1 Solutie formazina 10,0 NTR, TURB10-500ML - Turbidity 10 NTU 500ml 1 x 657.60 2 Solutie permanganat de potasiu Titripur 0,02 mol/l, solutie standardizata fata de oxalat; c(KMnO₄) = 0.02 mol/l (0.1 N) Titripur® Reag. 1L 1 x 280.32 3 Solutie standard calibrare Amoniu 1g/l, Solutie standard de amoniu NH₄Cl in H₂O trasabila NIST 1000 mg/l NH₄ Certipur®, 500ml 1 x 175.68 4 Solutie standard calibrare Nitrat 1g/l, Solutie standard de azotat NaNO₃ in H₂O trasabila NIST 1000 mg/l NO₃ Certipur®, 500ml 1 x 175.68 5 Solutie standard calibrare Nitrit 1g/l, Solutie standard de azotit NaNO₂ in H₂O trasabila NIST 1000 mg/l NO₂ Certipur®, 500 ml 1x 176,64 6. Soluție Oxalat de sodiu 0,05 mol/l Titripur 1 L x 312,00 7. Triethanolamine > 99% -1 L x 222,95