PACHET REACTIVI DE LABORATOR

Acid sulfuric chimic pur 98 % , indigen L 1 BARIUM ACETATE, 99%, A.C.S. REAGENT. Caracteristicile calitative sunt cele prezentate in catalogul SIGMA 243671-100G Fl * 100 gr 1 Sodium azide for synthesis.Caracteristicile calitative sunt cele prezentate in catalogul MERCK 8223350100 Fl * 100 gr 1 Buffer solution (Potassium tetraoxalate) traceable to SRM from NIST and PTB pH 1.68 (25°C) Certipur®. Caracteristicile calitative sunt cele prezentate in catalogul MERCK 1990150500 Fl * 500 ml 1 Buffer solution(citric acid/sodium hydroxide/hydrogen chloride) traceable to SRM from NIST and PTB pH 4.00 (25°C) Certipur®. Caracteristicile calitative sunt cele prezentate in catalogul MERCK 1094450500 Fl * 500 ml 1 Buffer solution (potassium dihydrogen phosphate/disodium hydrogen phosphate)traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®. Caracteristicile calitative sunt cele prezentate in catalogul MERCK 1094070500 Fl * 500 ml 1 Buffer solution (boric acid/potassium chloride/sodium hydroxide) colour coded: blue, traceable to NIST and PTB pH 10.00 (25°C) Certipur®. Caracteristicile calitative sunt cele prezentate in catalogul MERCK 1990500500 Fl * 500 ml 1 SOLUTIE CONDUCTIVITATE 84uS/cm-HI7033L HI7033L Fl * 500 ml 1 Test fotometric pentru sulfat fotometric, 5-300 mg/L ( SO42- ) , Spectroquant®. Caracteristicile calitative sunt cele prezentate in catalogul MERCK 1025370001 Set * 100 teste 1 Testul de fier, fotometric fotometric, 0,0025-5,00 mg/L (Fe), Spectroquant ®. Caracteristicil