• 제목/요약/키워드: The contents of heavy metals

검색결과 706건 처리시간 0.029초

진해만 표층수와 표층 퇴적물 중의 중금속 분포 (Heavy metals in the surface waters and sediments of Jinhae Bay, Korea)

  • 김경태;김은수;조성록;김종근;박준건
    • 해양환경안전학회:학술대회논문집
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    • 해양환경안전학회 2007년도 춘계학술발표회
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    • pp.27-33
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    • 2007
  • 진해만 표층수 중의 중금속은 육지에 가까운 정점에서 높은 분포를 나타내었으며, 이들의 분포에는 조사 해역의 염분에 근거한 물리적 혼합은 크게 작용하지 않았다. 그리고 Pb은 제외한 다른 중금속은 과거와 큰 차이를 나타내지 않았다. 표층 퇴적물의 중금속 함량은 거제도 혹은 가덕도에 인접한 정점에서 높게 나타났으며, 이들 해역의 Zn, Cu 와 Pb 함량은 과거에 비해 약간 상승하여 인위적인 영향이 있는 것으로 판단된다. Hg과 Pb을 제외한 중금속은 상호간에 양호한 상관성을 보였으며, Co, Ni, Zn, Cu, As와 Cd 는 IL 및 COD와도 좋은 상관성을 보였다. 농축계수는 As>Cd>Pb>Zn>Co>Cu>Hg>Ni의 순이었으며, As, Cd, Pb, Zn 은 1이상이었다.

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군산.장항 해안지역 해수, 해안저질토 및 어패류 중 중금속함량 (Contents of Heavy Metals in Sea Water, Sediments, Fishes and Shellfishes From Kunsan.Changhang Coastal Areas)

  • 한강완;조재영;이진하
    • Applied Biological Chemistry
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    • 제40권4호
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    • pp.347-351
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    • 1997
  • 군산 장항 해안지역의 중금속 오염실태를 파악하기 위하여 해수, 해안저질토 및 어패류중 중금속함량을 조사한 결과는 다음과 같다. 해수중 중금속 평균함량은 Pb 2.35, Cd 0.52, Cu 2.09, Zn 13.65, $Hg\;0.24\;{\mu}g/l$이었다. 해안저질토중 중금속 평균함량은 Pb 19.49, Cd 0.15, Cu 9.31, Zn 20.07, Hg 0.136 mg/kg이었으며, 각 조사지점 별로 중금속함량간에 차이를 나타내고 있었다. 어류의 건물중 Pb, Cd, Cu, Zn, Hg평균함량은 풀망독(Acantogobius hasta)에서 각각 1.08, 0.05, 2.24, 58.14, 0.151 mg/kg이었으며, 숭어(Mugil cephalus)에서 각각 1.63, 0.05, 1.51, 32.69, 0.065 mg/kg으로 나타났다. 풀망독 및 숭어에서 Pb, Cu의 경우는 비슷한 축적률을 보이고 있으나 풀망독이 숭어에 비해 Zn과 Hg에서 2배 이상 높은 축적률을 보였다. 패류의 건물중 Pb, Cd, Cu, Zn, Hg 평균함량은 가무락(Cyclina sinensis)에서 각각 1.03, 1.23, 6.83, 75.83, 0.071 mg/kg이었으며, 반지락(Ruditpes philippinarum)에서 각각 0.93, 0.86, 5.90, 52.16, 0.074 mg/kg으로 나타났다. 인근 해수중 평균 중금속함량을 기준으로 계산된 중금속 축적률 순위는 패류종에 관계없이 Cu>Cd>Zn>Pb>Hg 순이었다.

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전라북도내 서해안 지역의 하천에 서식하는 붕어의 중금속 함량에 관한 연구 (A Study on the Heavy Metal Contents in Carassius auratus of Jeonlabuk-do Areas)

  • 김인숙;한성희;오성기
    • 한국식품영양과학회지
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    • 제22권4호
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    • pp.484-488
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    • 1993
  • 본 연구는 전라북도내 서해안 농촌지역 저수지나 강에서 서식하는 붕어의 중금속 함량을 측정하여 다음과 같은 결과를 얻었다. 1 . Hg, Cu의 함량은 동림저수지에서 0.0167ppm, 0.1094ppm으로 가장 낮았고 As의 함량은 지산저수지 에서 0.0018ppm, 만경강에서 0.0012ppm으로 검출되었으나 다른 지역에서는 검출되지 않았다. Pb은 탑천강에서 0.3536ppm, Cd은 동림저수지에서 0.1094ppm, Mn은 만경강에서 2.9059ppm, Zn은 동진강에서 14.3096ppm으로 가장 낮았다. 2. Hg, Pb의 함량은 지산저수지에서 0.0407ppm, 0.6593pm으로 가장 높았고 Cd은 옥구 저수지에서 0.1935ppm, Cu는 탑천강에서 0.3792ppm, Mn은 동림저수지에서 6.9335ppm, Zn은 가천강에서 48.1615ppm으로 가장 높았다. 3. FAO/WHO의 최대허용량과 비교할 때 모두가 훨씬 낮았지만 그 안전성 여부는 다른 식품과 연관시켜 판단되어야 할 문제라고 생각된다. 4. 중금속 함량 측정을 주로 서해안 지역에 위치하고 있는 담수어중 가장 많은 붕어만을 채취하여 측정하였는데 앞으로는 여러 종류의 담수어와 더불어 계절별로 또 전라남북도 지방과 함께 계속 연구를 하고자 한다.

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갯벌생물에서의 미량성분 함량 (Contents of Inorganic Metals from Halophyte and shellfish Living in the Beach Sediment)

  • 박희연;김연계;이두석;송기철;임치원
    • Applied Biological Chemistry
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    • 제50권2호
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    • pp.121-126
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    • 2007
  • Halophyte and shellfish are functional and favorite foods in Korea. This study was conducted to survey the contents of inorganic metals to elucidate seafood hygiene & safety. The average concentrations of heavy metals in the halophyte and shellfish were 1.73, and 1.54 ppb of Cd and 47.37, 25.06ppm of Cu, respectively. Average contents of Hg in halophytes was 0.26 ppb and 50.43 ppb in shellfish. In case of minerals, the average concentrations were 4,475.62, 4,440.54 ppm of Ca, and 3,936.16, 1,227.09 ppm of Fe, 2,145.36, 6.170.60 ppm of P. and 314.53, 162.11 ppm of Zn, respectively. The average values of heavy metals were all below the permissible amounts in food but minerals showed high levels in halophyte and shellfish.

일부 河川流域의 淡水魚와 沈積土의 중금속 함량에 관한 연구 (A Study on the Heavy Metal Contents in Fish and Sediments of the Mankyung River)

  • 황인담;기노석;양기승;이재형;김남송
    • 한국환경보건학회지
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    • 제15권1호
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    • pp.33-49
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    • 1989
  • Pollution in the rivers has received considerable attention in recent years, particullary with reference to the effect due to increasing concentration of heavy metals. The metals are toxic to the ecosystem as a whole and to man in particular, since he is at the end of a variety of food chains by virture of his varigated diet. In addition, numerous laboratory tests have established that certain metals, such as Cd, pose a threat to a wide variety of aquatic organisms at concentrations as low as a few $\mu$g/1. Before the biological effects of heavy metals in impacted ecosystems can be completely assessed, however it is necessary to provide data on the concentration of heavy metals in such systems. This study was performed to investigate the concentration level of heavy metals in water, fish and sediments from upstream ($S_1-S_4$) to downstream ($S_5-S_9$) of the Mankyung river. Samples of water, fish, and sediments were collected along the tributaries of the Mankyung from September to October in 1987 and analyzed for lead, cadmium, copper, and zinc by atomic absorption spectrophotometer. From the data presented in this study, we can infer that the concentrations of the heavy metals investigated both in water and sediments are similar to those found in literature for unpolluted regions. The results obtained from the analysis of the edible tissue of the C. auratus show low concentration levels of the four heavy metals investigated. We conclude that the area is still relatively unpolluted and recommended continuing the monitoring of heavy metal concentrations to improve our understanding of their cycle in the river environment.

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만경강유역 농작물의 중금속함량에 관한 연구 (Studies on the Contents of Heavy Metals in Crops at the Mankyung River Area)

  • 유일수;최창진;황은희
    • 한국식품영양과학회지
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    • 제15권1호
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    • pp.1-8
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    • 1986
  • Authors investigatigated the analysis heavy metals in corps at the Mankyung river area. Samples were digested with Cone. nitric acid and Cone. hydroc hrorico acid and analyzed by Varian 875 Atomic Absorption Atomic Absorption Spectrophotometer in 1984. The results were as follows: The contents of heavy metals in rice were in the range of $0.41{\sim}5.15,\;1.12{\sim}5.18,\;10.65{\sim}14.54,\;24.15{\sim}35.41ppm$ for Pb, Cu, Mn, Zn respectively. Those in barley were in the range of $0.48{\sim}0.8,\;1.39{\sim}2.81,\;9.69{\sim}14.89,\;30.14{\sim}34.84ppm$ for Pb, Cu, Mn, Zn respectively. Those in kidney bean were in the range of $0.06{\sim}0.13,\;3.65{\sim}6.25,\;.65{\sim}12.15,\;51.25{\sim}65.69\;ppm$ for Pb, Cu, Mn, Zn respectively. Those in corn were in the range of $0.59{\sim}0.89,\;2.15{\sim}2.83,\;6.01{\sim}10.15,\;29.31{\sim}36.15ppm$for Pb, Cu, Mn, Zn respectively. We might be concluded that the above values of heavy metals contained in crop at the sites near to Mankyung river were serious partially.

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경남 온산면 일대의 해조류에 관한 연구 1. 중금속 함량 (On the Marine Algae in Onsan Area, East Coast of Korea 1. The Contents of Heavy Metals)

  • 김영환
    • Journal of Plant Biology
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    • 제23권2호
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    • pp.55-60
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    • 1980
  • The quantity of heavy metals (As, Cd, Cu, Pb, Zn) contained in marine algae collected in Onsan-myon on the east coast of Korea from March to December 1978 was determined as a part of the environmental base line survey of the Onsan Industrial Base. In general, green algae have a higher Cu content than either brown or red algae, and brown algae have higher As and lower Cu contents, while red algae have a higher Zn content. Significant differences between algal species in either Cd or Pb content were however not found.

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영산강에 서식하는 담수어의 중금속 함유량에 관하여 (A Study on the Contents of Heavy Metals in Freshwater Fishes of Yeong San River)

  • 서중화;홍석순;김충모
    • 한국식품영양과학회지
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    • 제20권6호
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    • pp.615-620
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    • 1991
  • This study was performed to investigate the contamination level of harmful metals in 4 species of freshwater fishes collected at the three sampling sites of Yeong san river from January to October in 1990. The levels of total mercury, lead, zinc, manganese, copper and cadmium were ditermined and the results were summarized as follows : The overall range(ppm) were Hg, 0.022~0.139 ; Pb, 0.666~0.984 ; Zn, 8.673~15.214 ; Mn, 2.751~5.049 ; Cu, 0.328~1.174 ; Cd, 0.017~0.052. Among the six heavy metals contents, the highest was zinc and the lowest was cadmium. The results showed that all the 4 species of freshwater fishes of Yeong san river studied have not yet dangerous levels enough to pose a health problem.

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화장품 유형별 유해 중금속 함량 비교 연구 (Comparative Study of Hazardous Heavy Metal Contents by Cosmetic Type)

  • 이진희;김지연;박상규;이재호;윤종호;김경태;김혜정
    • 한국환경보건학회지
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    • 제45권2호
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    • pp.154-163
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    • 2019
  • Objectives: The hazardous heavy metal contents of cosmetics were investigated and the resulting values were compared by type of cosmetics: skin care preparations (SCP), hair preparations (HP), makeup preparations (MP), and eye makeup preparations (EMP). Methods: The hazardous heavy metal contents (Pb, As, Cd, Sb, Ni and Hg) were analyzed for 358 cosmetics products (187 SCP, 82 HP, 56 MP, and 33 EMP). Hg was measured by the amalgamation method, and other hazardous heavy metals were measured by inductively coupled plasma optical emission spectrometer (ICP-OES) after decomposition using the microwave method. Results: The mean contents of Pb, As, Cd, Sb, Ni, and Hg in cosmetics were 0.424, 0.068, 0.024, 0.398, $0.567{\mu}/g$, and Not Detected, respectively. All of the hazardous heavy metals were detected in most products, but below the recommended maximums of the Ministry of Food and Drug Safety. The level of Cd was the lowest at 14.8%, and Sb was the highest at 41.2%. Pb, Sb and Ni showed the highest mean value and detection rate in EMP. As, Cd, and Hg showed the highest in SCP, HP, and MP, respectively. Conclusion: Hazardous heavy metals were detected in most products. In particular, Pb, Sb, and Ni were broadly detected in EMP, meaning more stringent quality control is required.

서울시내 가로수목의 수용성유황 및 중금속 함량에 관한 연구 (A Study on the Contents of Soluble Sulfur and Heavy Metals in the Leaves of the Roadside Tree in Seoul Area)

  • 김면섭;이광국
    • 한국대기환경학회지
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    • 제4권1호
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    • pp.1-12
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    • 1988
  • This study was carried out to measure the contents of soluble sulfur and heavy metals in the leaves of roadside tree at 34 sampling sites of Seoul area from the Sep. 1 to Sep. 30 during 1985 and 1986. The results were as follows; 1. Average contents of soluble sulfur at all sampling sites were; Plantanus orientalis 0.474%, Ginkgobioloba 0.562%, and Salix pseudolasiogyne 0.566%. 2. Correlation between sulfur dioxide concentration in the air and soluble sulfur in the leaves by area were; Green belt area R = 0.985, Residential area R = 0.856, Commercial area R = 0.668, Industrial area R = 0.886. Correlation by species were ; Platanus orientalis R = 0.817, Ginkgobiloba R = 0.771, Salix pseudo-lasiogyne R = 0.824. 3. Correlation between $SO_X$ concentration in the air and sulfur contents in the leaves showed positive significance. 4. Contents of soluble sulfur in the heavy traffic area were higher than that of light traffic area. 5. Heavy metal contents of 1986 were higher than that of 1985; Fe> Mn > Zn > Pb > Cu > Cd > Cr. 6. Lead contents in the leaves of 1986 were; Platanus orientalis 16, 701 ppm, Gingobiloba 21,729ppm, Salix Pseudo-lasiogyne 12.418 ppm.

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