Pachet reactivi chimici de laborator COD Descriere U.M. Cant. Pret unitar RON fara TVA Pret total RON fara TVA 1065570250 Oxalat de di-sodiu pentru analiza EMSURE®. Hill Formula: C₂Na₂O₄. CAS 62-76-0. Molar Mass: 134 g/mol. Assay (manganometric) ≥ 99.8 %. Producator Merck Milipore 250 G 1 238.16 238.16 8187310100 Acid salicilic for synthesis. CAS 69-72-7. Hill Formula: C₇H₆O₃. Molar Mass: 138.12 g/mol. Assay (acidimetric) ≥ 99.0 %. Producator Merck Milipore 100 G 1 84.45 84.45 1198970500 "Solutie standard de clorura. NaCl in H₂O trasabila NIST 1000 mg/l Cl Certipur®. Concentration β (Cl⁻) 990 - 1010 mg/l. Producator Merck Milipore" 500 ML 1 142.48 142.48 1048730250 Fosfat diacid de potasiu pentru analiza, EMSURE® ISO. CAS 7778-77-0. Hill Formula: H₂KO₄P. Chemical Formula: KH2PO4. Molar Mass: 136.08 g/mol. Assay (alkalimetric, calculated on dried substance) 99.5 - 100.5 %. Assay (alkalimetric; dried substance) ≥ 99.5 %. 250 G 2 98.70 197.40 1990020001 Solutie tampon (fosfat diacid de potasiu/ fosfat disodic), trasabila NIST si PTB, pH 7.00 (25°C) Certipur®. Pachetul contine 30 plicuri x 30 ml. Producator Merck Milipore Pac 1 275.60 275.60 1015530001 Clorura de potasiu - solutie (nominal 1.41 mS/cm), material de referinta certificat pentru masurare conductivitate electrolitica, trasabil PTB si NIST, (c=0.01 mol/l) Certipur®. Electrical conductivity (25°C) 1.39 - 1.43 mS/cm. Pachetul contine 30 plicuri x 30 ml. Producator Merck Milipore Pac 1 275.60 275.60 1703260100 Fier - st