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RISS 인기검색어
- 검색키워드
- 저자 : 安年衡 (검색결과 4 건)
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炭酸飮料水中의 Cyclohexylamine 定量에 關한硏究
안연형 圓光大學校 藥學大學學生會 1971 圓藥 Vol.- No.1
Study on the edtermination of Cyclohexylamine in Carbonaeed beverages containing Cyclamates. The use of non-caolric sweetness, cyclamates, in carbonated beverages, has increased rapidly during the last few yrear. However, recent investigations indicate that at least one possibly toxic metaborite, Cyclohexylamine, may be porduced in small amounts by some ind ividuals often ingestion of cyclamates. But, at the poresnt time there is also a lack of imformation on the levels of cyclohexylamine ingested directly in carbonated bevevages containing cyclamates. In this paper, the procedure for the determination of cyclohexylamine in carbonated beverages containing cyclamates has been developed. It was isolated by distillation and the distillate was collected in receiver containing HCI. It was concentrated and derterminde by spcetrophtometry. Recoveries were 98~100% at 2 PPM Level.
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ETHYNODIOLDIACETATE의 대사에 관한 연구(Ⅱ)
安年衡 圓光大學校 1986 論文集 Vol.20 No.2
Ethynodioldiacetate의 대사가 토끼의 간장, 신장, 혈액, 피부, 질에서 어떻게 이루어지는가를 시험관내에서 조사 비교하였다. Ethynodioldiacetate is metabolized by various rabbit tissues to norethindrone. A study was undertaken to determine in vitro metabolic norethindrone pattern of ethynodioldiacetate. Rabbit liver, kindney, blood an vagina were used as enzyme source.
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炭酸飮料水中의 Cyclohexylamine 定量에 關한 硏究
安榮根,安年衡 圓光大學校 1975 論文集 Vol.9 No.-
The use of non-caloric sweetness, cyclamtes, in carbonated beverages, has increased rapidly during the last few years. However, recent investigations indicate that at least one possibly toxic metaborite, cyclohexylamine, may be produced in small amounts by some individuals often ingestion of cyclamates. But, at the present time there is also lack of imformation on the levels of cyclohexytlamine ingested directly in carbornated beverages containing cyclamate. In this paper, the procedure for the determination of cyclohexylamine in carbonated beverages containing cyclamates has been developed. It was isolated by distillation and the distillate was collected in receiver containing HCI. It was concentrated and passed throught the cation exchange Resin(IRA 410). Cyclohexylamne was determined by spectrophtometry. Recoveries were 98∼100% at 2ppm Level.
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이리시 (裡里市) 일원 정수의 위생화학적 (衛生學的) 연구
홍사욱,안영식,나규환,안연형 ( Sa Uk Hong,Young Gun Ahn,Kyu Hwan Ra,Youn Hyoung Ahn ) 한국하천호수학회 1973 생태와 환경 Vol.6 No.3·4
Hygienic and chemical research were proceed in the several wells among the 4 areas of I-Ri city, such as Mokchun-dong near the Man gyoung bridge, Dongsan-dong upper side of Mokchun-dong along the Man gyoung river, Namchung-dong in the north side of this city and Mohyun-dung in the northwest side of this city in August during Summer, 1970. Compare with the drinking water standard in our country, nearly all the wells water in this 4 areas was unsuitable for drinking water. In especially the concentration of Cl^- in those wells water of 4 areas are higher than those of most another county in our country. The concentration of Fe, NH₃-N and KMnO₄ consumed in the wells water of Mokchun-dong and the concentration of Fe and KMnO₄, consumed in the wells water of Dongsan-dong are higher value than that of the drinking water standard. In some of the wells, both of Nam chun and Mohyun-dong, the concentration of KMnO₄, consumed, Fe were found also higher value than that of standard.
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