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李盛弘(Seong Hong Rhee),鄭文植(Moon Shik Zong) 한국환경보건학회 1986 한국환경보건학회지 Vol.12 No.1
The contents of amino acid in alcoholic beverage-Cheongju, Beer, Makguli, grapewine were analyzed. Cheongju and Makguli were filtered with membrane filter paper. Beer and grapewine were also filtered after treatment with 5-Sulfosalicy1ic acid. Sample were analyzed by Amino Acid Analyzer (Hitach KLA-5). The results were as follow : 1. The kinds of Amino Acid in Cheongju were 18, those of Beer were 17 , Makguli 15 , and grape、씨ne 10. 2. The total amino acid in Cheongju was 54.0295 mg, Beer was 16.7172mg, Makguli was 12.3833mg and grape wine was 4.1480 mg in 100 ml volume.
Gas Chromatography에 依한 Ampicillin중의 殘留 溶媒 分析
李盛弘 ; 方起雄 김천대학교 1986 김천대학교 논문집 Vol.7 No.-
The residual organic solventsremained in ampicillin may be harmful and lessen the quality of antibiotics. Acetone and Isopropyl alcohol(1PA) in ampicillin were separted and de-termined by gass-liquid chromatography with flame ionization detector. A stainless steel column packed and with porapak Q was used. Samples were dissolved with IN-NaOH solution and injected directly into the GC system. The contents of acetone were 0.228~0.294% and those of IPA were 0.057~0.568%. This method makes it suitable for routine determination.