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DA33172441 · published 2023-05-04 · completed 2023-05-04 · from Aquator S.R.L. (Iasi)
Acid clorhidric, c(HCl) = 1 mol/l (1 N) Titripur® Reag. Ph Eur,Reag. USP, Producator Merck Millipore Tiosulfat de sodiu - solutie, c(Na2S2O3 5 H2O) = 0.1 mol/l (0.1 N) Titripur® Reag. Ph Eur,Reag. USP Hidroxid de sodiu soluţie c(NaOH) = 0.1 mol/l (0.1 N) Titripur® Reag. Ph Eur.CAS:1310-73-2. Solutie standard de amoniu NH4Cl in H2O trasabila NIST 1000 mg/l NH4 Certipur®. Producator Merck Clorura de sodiu - solutie pentru 1000 ml, c(NaCl) = 0.1 mol/l (0.1 N) Titrisol®. Producator Merck