해조류중 흔적량 망간의 전열원자흡수 분광광도법 정량을 위한 매트릭스 개선에 관한 연구

• 영문명: Matrix Modification for Electrothermal Atomic Absorption Spectrophotometric Determination of Trace Manganese in Seaweeds
• 발행기관: 한국환경보건학회
• 저자명: 최종문 강동수
• 간행물 정보: 『1. 한국환경보건학회지』제26권 제4호, 75~81쪽, 전체 7쪽
• 주제분류: 공학 > 환경공학
• 파일형태: PDF
• 발행일자: 2000.12.30

영문 초록

A matrix modification was studied for the determination of trace manganese in several seaweeds by electrothermal atomic absorption spectrophotometry(ETAAS). The type and quantity of modifiers were investigated to realize the efficient modification. Palladium was chosen as a single modifier. By the addition of palladium(5㎍/ mℓ) to 2ng/ mℓ manganese solution, the temperatures were raised from 1,000℃ to 1,200℃ for the charring and from 2,100℃ to 2,200℃ for the atomization as well as the sensitivity and reproducibility were improved. With such optimum conditions, the trace amount of manganese in several seaweeds(laver, tangle and brown seaweed) could be determined by a calibration curve method, and good recoveries of more than 965 were also obtained in the samples in which a given amount of manganese was spiked. The detection limit of this method was about 0.048ng/mℓ.

키워드

matrix modification manganese seaweeds electrothermal Atomic absorption spectrophotometry palladium calibration curve method