Reactivi de laborator: 1.Acetat de amoniu p.a. cod: 1.01116.1000, producator Merck, 5 kg. 2.Acid sulfuric 95-97% p.a., producator Merck, 1 litru. 3.Schimbator de ioni Amberlite IR-120, 500 ml, cod:1151310500, producator Merck, 1 flacon. 4.Sulfanilamida, cod:1117990100, producator Merck, 1 flacon. 5.N-(1-naphtyl)-ethylenediamine dihydrochloride, cod:1062370025, producator Merck, 1 flacon. 6.Agar coliform pentru microbiologie...
Reactivi de laborator: 1.Acetat de amoniu p.a. cod: 1.01116.1000, producator Merck, 5 kg. 2.Acid sulfuric 95-97% p.a., producator Merck, 1 litru. 3.Schimbator de ioni Amberlite IR-120, 500 ml, cod:1151310500, producator Merck, 1 flacon. 4.Sulfanilamida, cod:1117990100, producator Merck, 1 flacon. 5.N-(1-naphtyl)-ethylenediamine dihydrochloride, cod:1062370025, producator Merck, 1 flacon. 6.Agar coliform pentru microbiologie, Chromocult, cod:1.10426.0500, 500g, producator Merck, 1 flacon.