1. N-(3-Dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride, 5g 1 g 279.84 279.84 2. Poly(propylene glycol) bis(2-aminopropyl ether) average Mn ~230, 500mL 1 mL 444.48 444.48 3. Poly(propylene glycol) bis(2-aminopropyl ether) average Mn ~400, 500mL 1 mL 798 798 4. Poly(propylene glycol) bis(2-aminopropyl ether) average Mn ~2000, 250 mL 1 mL 452.4 452.4 5. Chloroform EMPLURA, 2,5 L 2 L 152.15 304.3 6. L-Ascorbic acid, 250g 1 g 112.62 112.62 7. Acid clorhidric solutie volumetrica 1.0 M (1.0 N) 1 L 1 L 34.15 34.15 8. N,N-Dimethylformamide, 1L 1 L 236.71 236.71 9. Copper(II) nitrate hemi(pentahydrate), 500g 1 g 365.76 365.76 10. Titanium(IV) oxide , nanopowder, 21 nm primary particle size (TEM), 100g 1 g 927.36 927.36 11. Zinc acetate dihydrate ≥99.0%, AnalaR NORMAPUR® analytical reagent, 1Kg 2 kg 91.24 182.48 Methanol, for HPLC, ≥99.9%, CAS Number: 67-56-1 cantitate 4*2.5 l (155.19 / buc) la pretul ofertat de 155,19 lei fara TVA ACID ACETIC GLACIAL 99.5% GLR 2,5 L, cantitatea : 4 buc X 2.5 L la pretul unitar de 78 lei fara TVA = 312 lei