Pachet reactivi chimici conform ofertei :1.Bicromat de potasiu p.a., 98%,250 g; 3. Sulfat de Fe(II) şi amoniu,p.a., > 97% 500 g; 4.Potasiu hidrogen ftalatp.a., > 95% 250 g ;5. o-fenantrolină monohidratp.a., > 97% 5 g ;6. Soluţii etalon de turbiditate4000 NTU100 mL ,800 NTU 100 mL,100 NTU 100 mL 1 NTU100 mL;7.Acetat de sodiu p.a., ≥ 97% 1 kg ;12. Clorură de amoniu p.a., ≥ 95% 1 kg ;14. Sulfat de fier (II) heptahidratat p.a....
Pachet reactivi chimici conform ofertei :1.Bicromat de potasiu p.a., 98%,250 g; 3. Sulfat de Fe(II) şi amoniu,p.a., > 97% 500 g; 4.Potasiu hidrogen ftalatp.a., > 95% 250 g ;5. o-fenantrolină monohidratp.a., > 97% 5 g ;6. Soluţii etalon de turbiditate4000 NTU100 mL ,800 NTU 100 mL,100 NTU 100 mL 1 NTU100 mL;7.Acetat de sodiu p.a., ≥ 97% 1 kg ;12. Clorură de amoniu p.a., ≥ 95% 1 kg ;14. Sulfat de fier (II) heptahidratat p.a., 99%1 kg ;15.Clorură de calciu p.a. 500 g;18. Clorură de potasiu p.a., 99%1 kg ;21.Solutie standard cloruri 1000 mg/L 500 ml Merck;23.Hidroxid de sodiu p.a. 1 Kg ;25.Solutie standard azotiti 1000 mg/L500 ml ;28.Tri-Natriumcitrat dihydratatp.a. 250 g. Nitroprusiat de sodiu dihidrat p.a. 100 g 30. Sodium dichloroisocyanurate dihydrate p.a. 100 g . Solutie standard azotati 1000 mg/L 500 ml 36. Hydrogen Peroxide 30% Normapur for trace p.a. 1L 37. Hydrochloric Acid 37% max. 0.005 ppm Hg p.a. 2.5L 39. Nitric Acid 65% max. 0.005 ppm Hg p.a. 1L 42. Para cauciuc tip bulb (Fisher), 25ml, 50 ml, 100 ml buc 3 612-2701 Avantor 15.68 47.04 buc 3 612-2702 Avantor 47.93 143.79 43. Hartie de filtru ROTH 1507, Ø 125 mm, filtrare lenta, 100 buc – DP 1507 125, Type 1100 buc – DP 1507 125, Type 1507, Quantative, hardened filter paper 100 buc 2 207012 Macherey Nage; Piseta ROTH Rotilabo cu tub integrat, 500 ml 1 buc .