Pregled bibliografske jedinice broj: 114160
TLC determination of aquatic humic acids
TLC determination of aquatic humic acids // Water science and technology, 26 (1992), 9-11; 2567-2570 doi:10.2166/wst.1992.0789 (međunarodna recenzija, članak, znanstveni)
CROSBI ID: 114160 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
TLC determination of aquatic humic acids
Autori
Kaštelan-Macan, Marija ; Cerjan-Stefanović, Štefica ; Jalšovec, Dražen
Izvornik
Water science and technology (0273-1223) 26
(1992), 9-11;
2567-2570
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
water ; aquatic humic acids ; TLC ; Amberlite XAD-4 ; quantitative determination
Sažetak
Humic acids are mostly determined by spectroscopic methods, although they are not accurate enough, because humic acids possess no maximum absorption at any wavelength in the ultraviolet and visible spectrum. In this contibution the accurate and precise method for aquatic humic acids determination, using thin layer chromatography, was worked out. Previously, humic acids were separated and preconcentrated from the river water, using macroreticular adsorption resin Amberlite XAD-4, and subsenquently determined by TLC. The chromatographic system was: silicagel HF254 (Merck, precoated plates 20x20 cm) and NH3-acetone (60:40, v/v) as a solvent system. Quantative determination was made by Camag-Turner ili Fluorimeter, by measuring UV-quenching.
Izvorni jezik
Engleski
Znanstvena područja
Kemija
POVEZANOST RADA
Ustanove:
Fakultet kemijskog inženjerstva i tehnologije, Zagreb
Citiraj ovu publikaciju:
Časopis indeksira:
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus
