Se doreste achizitia la pachet a urmatorilor reactivi : 1)-Iodat de potasiu-min.99,7%,insolubile in apa,max.0,005%;pH(5%,H2O)-55.0-8.0;termen de valabilitate min.2 ani/100 grame; 2)-Hexametilen tetraamina(min.99.5) Pb (min.10ppm),cloruri (min.20 ppm),amoniu (min.100 ppm),valabilitate min.2 ani/1 kg,; 3)-Amoniac sol.25%,densitate-0.901-0.907;Calciu max.0.001%,magneziu max.0.001%,termen de valabilitate min.2 ani/2 litri; 4)-A...
Se doreste achizitia la pachet a urmatorilor reactivi : 1)-Iodat de potasiu-min.99,7%,insolubile in apa,max.0,005%;pH(5%,H2O)-55.0-8.0;termen de valabilitate min.2 ani/100 grame; 2)-Hexametilen tetraamina(min.99.5) Pb (min.10ppm),cloruri (min.20 ppm),amoniu (min.100 ppm),valabilitate min.2 ani/1 kg,; 3)-Amoniac sol.25%,densitate-0.901-0.907;Calciu max.0.001%,magneziu max.0.001%,termen de valabilitate min.2 ani/2 litri; 4)-Acid sulfuric 95-97%,culoare min.10 Hazen,nitrati min.0.2 ppm,subst.red.KMnO4 min.2 ppm,ambalaj 2.5 L,termen de valabilitate min.2 an/5 litrii; 5)-Hidroxid de sodiu,perle,pa.min.99%,Na2CO3 max.1.5%,cloruri max.0.0005%,total azot(N) min.0.0005%,termen de valabilitate min.2 ani/3 kg.; 6)-Hidroxid de potasiu,min.85%,metale grele min.0.0005%,valabilitate 2 ani/1 kg.; 7)-iod,99.5%,materii nevolatile min.0.05%/50 grame; 8)-Formaldehida 37%,metale grale min.0.001%,metanol max.15%,valabilitate 2 ani/0,5 litri; 9)- Fenilhidrazina,min.95%,cenusa sulfat 0.0005%,valabilitate 2 ani/50 gr.
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