Pachet standarde Merck – 6 pozitii Pachetul contine : 1.Solutie standard de CLORURA 1000 mg/l NaCl in H₂O trasabila NIST 1000 mg/l Cl Certipur® MERCK – COD 119897.0500 – FLACON 500 ML = 1 buc x 140,00 lei 2.Solutie standard de SULFAT 1000 mg/l Na₂SO₄ in H₂O trasabila NIST 1000 mg/l SO₄ Certipur® MERCK – COD 119813.0500 – FLACON 500 ML = 1 buc x 140,00 lei 3.Solutie tampon pH 2.00 (20° C) (acid citric/hidroxid de sodiu/acid clorhidric), trasabila NIST si PTB, pH 2.00 (20°C) Certipur® MERCK – COD 109433.1000 – FLACON 1 L = 1 buc x 179,00 lei 4.Solutie tampon pH 7.00 (20° C) (fosfat disodic/fosfat diacid de potasiu), trasabila NIST si PTB, pH 7.00 (20°C) Certipur® MERCK – COD 109439.1000 – FLACON 1 L = 1 buc x 179,00 lei 5.Solutie tampon pH 9.00 (20° C) (acid boric/clorura de potasiu/hidroxid de sodiu), trasabil NIST si PTB, pH 9.00 (20°C) Certipur® MERCK – COD 109461.1000 – FLACON 1 L = 1 buc x 179,00 lei 6.Acid clorhidric 0,1 N - c(HCl) = 0.1 mol/l (0.1 N) Titripur® Reag. Ph Eur,Reag. USP MERCK – COD 109060.1000 – FLACON 1 L = 1 buc x 111,00 lei Total Pachet : 928,00 lei