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DA39019825 · publicată 06.10.2025 · finalizată 07.10.2025 · de la Nordic Chemicals Srl (Cluj-Napoca)
1702040100 Stibiu solutie standard Sb2O3 in HCl 2mol/l trasabila NIST 1000 mg/l Sb Certipur Merck 100ml 1*160=160 1197960100 Solutie standard de seleniu SeO2 in HNO3, 0.5 mol/l, trasabila NIST; 1000 mg/l Se Certipur, Merck 100mL 1*160=160 1015570500 Clorura de potasiu - solutie (nominal 0,147 mS/cm),material de referinta certificat pentru masurare conductivitate electrolitica (c=0.001 mol/l) Certipur®, Merck, 500 ml 1* 1114=1114