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최용정,이희식 한국생산성학회 2001 生産性論集 Vol.15 No.1
Many domestic companies have been acquired the ISO 9000 series certification ever since the quality assurance system of ISO(International Organization for Standardization) 9000 series introduced. This certification system means that a company can satisfy the minimum requirements for the quality assurance. And, eventually, ISO 9000 series is understood as quality assurance system for product by customers. A purpose of this study is to analyze the degree of product's quality improvement and productivity improvement by the effectiveness which is identified as worker's mindset improvement, a management ability improvement and quality system's establishment in the existing papers as well as the construction of a quality assurance system by acquiring the ISO 9000 series certification. In order to identify the product's quality improvement and productivity improvement, the analysis of a design quality improvement, a manufacturing quality improvement, a service quality improvement, and productivity improvement are conducted through this study.
근외분광분석법에 의한 옥배유, 팜유, 돈지의 산가, 요오드가, 비누화가 측정
홍진환,최재천,최현철,강명희,최장덕,양창숙,김광수,백성열,김보경,오해성,이희식,조래광 식품의약품안전청 1997 식품의약품안전청 연보 Vol.1 No.-
식용유지의 산가(AV), 비누차가(SV), 요오드가(Iv)를 신속 ·간편하게 출정하기 위해서 1,100nm에서 2,Soonm까지의 근적외 fNIR)툴과반사분광분석법을 응용하였다. 옥배유, 팜유, 돈지를 공기중에서 200·C로 가열산화 처리하여 가열처리하지 않은 유지와 동일종끼리 혼합하여 적정법에 의한 AV,통V,IV의 분석치가 고르게 분포되도록 시료를죠제하였다. 모든 시료는 검량선 작성용 시료군(Calibration set)과 미지시료군(Prediction set)으로 나누었다. Cali-bration ste에 대하여 NIR스펙트럼 데이터와 적정법에 의한 화학분석치 사이에 중회귀분석한 결과, ?거의 검량선이라고 판단되는 중희귀식의 중상관계수는 AV의 경우 0.936,SV는 0.903,IV는 0.979이었다. 이들 검량선으로부터 Prediction set의 AV, SV, IL'를 각각 산출하여 기존 적정법에 의한 화학분썩치와 비교한 결과, 각각의 측정오차는 0.156, 1.713, 1.259이었고, 기존의 적정법과 NIR분광분석법 사이의 상관계쓴(R)은 각각 9.942, 0.880, 0.980이었다. 이와같은 결과로부터 기존꽈 적정법을 대신하여 신속 ·간편하게 측정할 수 있는 NIR분광분석법의 이용가능성이 인정되었다. Near-infrared(NIR) transflectance spectroscopy scanning from 1100nm to 2500nm was applied for the analyses of acid value(AV) , saponification value (SV) and iodine value(IV) in corn oil, palm oil and lard. These samples were allowed to stand at 200℃ in air. Their treated samples mixed with untreated sanples onB the basis of maximum variation in the reference values analyzed by titration method. All samples were divided into calibration set and prediction set. The multiple regression equations(MREs) established for the calibration set between the reference data analyzed by titration method and the NlR spectrl data gave the multiple correlation coefficients(MCCs) of 0.936, 0.903 and 0.979 for AV, SV and IV, respectively. Standard errors of predictions(SEPs) between the data calculated from the best MREs and the reference data analyzed by titration method for the prediction samples were 0.156, 1.713 and 1.289, and the correlation coefficients(R) between those were 0.942, 0.886 and 0.980 for AV, SV and IV, respectively. The obtained results indicate that the NIR transflectance procedure can potentially be used as a nondestructive analysis method for the purpose of rapid and simple measurement of AV, SV and IV is corn oil, palm oil and lard.