Acid boric pa CHEM115313604 1kg 1*33=33 Acid citric monohidrat pa CHEM115382101 1kg 1*43=43 1090601000 Acid clorhidric c(HCl) = 0.1 mol/l (0.1 N) Titripur® Reag. Ph Eur,Reag. USP Merck 1L 2 *118=236 1090811000 Azotat de argint-solutie c(AgNO3) = 0.1 mol/l (0.1 N) Titripur Reag. Ph Eur Reag. USP Merck 1L 1*391=391 1091411000 Hidroxid de sodiu solutie c(NaOH) = 0.1 mol/l (0.1 N) Titripur Reag. Ph Eur,Reag. USP, Merck 1L 1*120=120 1099450001 Clorura de sodiu - solutie pentru 1000ml c(NaCl) = 0.1 mol/l (0.1 N) Titrisol Merck fiola 1*112=112 Bicarbonat de sodiu pa CHEM118105307 1kg 1*68=68 Citrat trisodic dihidrat pa CHEM117957800 1kg 1*69=69 1024260250 Cloramina T trihidrat ACS Reag. Ph Eur Merck 250g 1*180=180 Fenolftaleina CHEM214145003 50g 1*81=81 Hexacianoferat (II) de potasiu trihidrat pa CHEM117469804 250g 1*64=64 Hidroxid de sodiu 1N CHEM810953165 1L 1*58=58 Hidroxid de sodiu pa CHEM118109252 1kg 4*40=160 1062370025 N-(1-Naftil)-etilen-diamina 2HCl (diclorhidrat) reactiv calitate garantata pentru analiza ACS Merck 25g 1*263=263 A1224414 Stearic acid 98% Alfa Aesar 25g 1*473=473 1198110500 Solutie standard de azotat NaNO3 in H2O trasabila NIST 1000 mg/l NO3 CertiPUR Merck 500mL 1*144=144 1198990500 Solutie standard de azotit NaNO2 in H2O trasabila NIST 1000 mg/l NO2 Certipur Merck 500ml 1*148=148 1198970500 Solutie standard de clorura NaCl in H2O trasabila NIST 1000mg/l Cl Certipur Merck 500ml 1*142=142 1094391000 Solutie tampon (fosfat disodic/fosfat diacid de potasiu), tr