REACTIVI LABORATOR

1 Oxalat de sodiu 101192.0250 250 g Puritate pa ........................................1x 230.00 lei 2 Acid clorhidric concentrat indigen 1L Puritate pa 1 x 25.50 lei 3 Acid ortofosforic conc indigen 1L Puritate pa....................1 x 68.00 lei 4 Hidroxid de sodiu pa Lachner 3 Kg Puritate pa ........3 x 38.00 = 114.00 lei 5 Dicloroisocianurat de sodiu dihidrat ThermoFisher 100 gr Puritate pa 1 x 359.00 6 Azotat de argint titrofix 0.1 N indigen 1 fiola .............................................1 x 230.00 7 Mordant negru 11(eriocrom negru T) indigen 100 g Puritate pa...........1 x 159.00 8 Solutie standard nitrat 1000mg/l Certipur Cod:1.19811.0500 500 ml MR (material de referinta) ....................................1 x 190.00 lei 9 Solutie standard amoniu 1000mg/l Certipur Cod:1.19812.0500 500 ml MR (material de referinta) .....................................1 x 190.00 lei 10 Carbonat de calciu Certipur Cod:1.02410.0050 50 g MRC (material de referinta certificat))..................1 x 565.00 lei 11 MRC Solutie standard nitrit 0,2 mg/l Cod:1.25041.0100 100 ml MRC (material de referinta certificat) .............1 x 240.00 lei 12 MRC Solutie standard amoniu 0,4 mg/l Cod:1.25022.0100 100 ml MRC (material de referinta certificat) .................1 x 240.00 lei 13 Solutie tampon pH=10,01 Hanna 500 ml MR (material de referinta) ...........................1 x 120 lei TOTAL ....2730.50