PACHET REACTIVI DE LABORATOR

1 Soluţie standard nitraţi 1000 mg/L 104613.0500 1 500 ml 355 2 Soluţie standard nitriţi 1000 mg/L 104659.0500 1 500 ml 355 3 Soluţie standard amoniu 1000 mg/L 104622.0500 1 500 ml 355 4. Hidroxid de sodiu (pellets, granule) Merck 10649810000 3x 68 1000g 204 5 di- hydrogen phosphate de potasiu 1.04873.0250 8x139 250 g 1112 6 Titriplex III (sarea disodica ac.Etilendinitrilotetracetic) 1.08418.0500 8x399 250 g 3192 7 4- aminobenzensulfonamide (sulfanil-amida) cod. 1.11799.0100 3x920 100 g 2760 8 Tiosulfat de sodiu 0,1 n cod: 1.09147.1000 2x165 1000ml 330 9 Hidroxid de sodiu soluţie 0,1N 1. 09141. 1000 3x155 1000ml 465 10 Acid clorhidric soluţie 1N 1. 09057. 1000 1x 1000ml 165 11 Citrat trisodic dihidrat – pa puritate 99,6%,, 1.06448.1000 3 x395 1000g 1185 12 Arsenit de sodiu 0,05 mol/l (0,1 N) Cod: 1062771000 1 1000 ml 370 13 Iodat de potasiu cod : PO04000100 1x 100 g 254 14 Azida de sodiu, Cod: 8.22335.0250 1 250 g 399 15 Salicilat de sodiu, p.a. ( C7H5NaO3 ) cod 1.06601.1000 ) 2x595 1000g 1190 16 Acid oxalic 0,1 N indigen 1x 1000 ml 39 17 Nitrat test Cod 110020 4x180 100 teste 720 18 Kit Solutie standard turbiditate 0,02 ; 10; 1000 NTU/FNU WTW 1 x 125 ml KIT 2080 19 NN-dietilfenilen-1,4 diamina (DPD) cod. 1.03121.0100 1 100g 590 20 Acetonapa indigen 3x24 1000 ml 72 22 Iodura de potasiu p.a. import 1* 500g 698 23 Eter de petrol Specificatii tehnice:40-60ºC, idigen 1 900 ml 26 24 Hydrogen peroxid 30%, , import, cod:HI01361000.. 1 1000 ml 169 25 Soluţie standard conductivitate 1