Pachet reactivi pentru laborator ADV1143053

Pachet reactivi pentru laborator ADV1143053

Solutie tampon pH 7,01 1094071000 Solutie tampon (fosfat diacid de potasiu/fosfat acid disodic)trasabil la SRM de la NIST şi PTB pH 7.00 (25°C) Certipur®, 1L L 1 x 233,28 = 233,28 Solutie tampon pH 4,01 1094450500 Soluţie tampon (acid citric/hidroxid de sodiu/acid clorhidric) pH 4.00 ±0.02 (25°C) Certipur®; The pH value of this certified buffer solution is directly traceable to primary certified reference materials characterised by PTB and verified by SRMs from NIST. fl 500ml 2 x 142,08 = 284,16 Solutie tampon pH 9,01 1094081000 "Solutie tampon (acid boric/clorură de potasiu/hidroxid de sodiu)trasabilă la SRM de la NIST şi PTB pH 9.00 ±0.03 (25°C) Certipur®; The pH value of this certified buffer solution is directly traceable to primary certified reference materials characterised by PTB and verified by SRMs from NIST." L 1 x 231,36 = 231,36 Solutie telurit de potasiu 3,5 x 10flac - 11 cut FD047x5VL PTe 3.5% Selective Supplemen (1 ml per vial), 5 fiole / cut cut x 5 fiole 22 x 143,85 = 3.164,70 1,1,2,2 - Tetracloretan, fl 250ml 8439480250 1,1,2,2-Tetrachloroethane for synthesis. CAS 79-34-5, molar mass 167.85 g/mol, 250ml fl 250ml 1 x 146,88 = 146,88