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- W2896979953 abstract "Byla vypracovĂĄna metoda plynovĂŠ chromatografie pro kvantitativnĂ stanovenĂ tÄkavĂ˝ch organickĂ˝ch kyselin v sulfitovĂ˝ch vĂ˝luzĂch a fermentaÄnĂch mĂŠdiĂch head space technikou. VolnĂŠ i vĂĄzanĂŠ formy kyseliny mravenÄĂ a octovĂŠ se pĹevedou pĹi 55 oC na etylestery tÄchto kyselin, kterĂŠ se dĂĄle dÄlĂ na Chrom 4-1 s FID a se sklenÄnou kolonou ( 2,5m .3mm ) plnÄnou 20 % PEG 400 na Chromosorbu W (60 -80 mesh) pĹi 80 oC . StatistickĂ˝m ovÄĹovĂĄnĂm reprodukovatelnosti metody byl nalezen pro kyselinu mravenÄĂ variaÄnĂ koeficient 6,74 % a pro kyselinu octovou 5,82 %. AnalĂ˝zou 41 vzorkĹŻ sulfitovĂ˝ch vĂ˝luhĹŻ tuzemskĂŠ i zahraniÄnĂ provenience byl zjiĹĄtÄn obsah kyseliny mravenÄĂ v rozmezĂ 0 aĹž 192,5 mg . l-1 a kyseliny octovĂŠ 2,38 aĹž 13,85 g. l-1." @default.
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- W2896979953 date "1978-07-01" @default.
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- W2896979953 title "Aplication of Gas Chromatography for the Determination of Formic and Acetic Acids in Sulphite Spent Liquor and Fermentation Media." @default.
- W2896979953 doi "https://doi.org/10.18832/kp1978024" @default.
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