Razvoj metode za HPLC-analizo izbranih fenolnih spojin lesa = Development of the HPLC method for separation of some phenolic compounds of wood
Poljanšek, Ida ; Vek, Viljem ; Oven, Primož
Preučevali smo vpliv sestave mobilne faze na ločitev enostavnih fenolnih spojin, kot so galna kislina, pirokatehol, floroglucinol, resorcinol, vanilin in flavonoida katehina s tekočinsko ...kromatografijo visoke ločljivosti (HPLC). Kot najbolj primerna metoda za ločitev komponent se je izkazala metoda gradientnega izpiranja s programiranim spreminjanjem sestave mobilne faze acetonitril in 2-odstotna vodna raztopina mravljinčne kisline od 2 : 98 do 25 : 75. Ločitev organskih spojin je bila učinkovitejša v mobilni fazi z manjšim deležem mravljinčne kisline. HPLC je primerna metoda za identifikacijo in kvantitativno analizo spojin v različnih tipih vzorcev na širokem področju verige gozdarstva, lesarstva in papirništva.
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