[online]대기오염 - 중금속 중 비소에 관해서
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작성일 23-02-16 21:17
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Download : 대기오염 - 중금속 중 비소에 관해서.hwp
2.2 인위적인 발생원
5.2 화학적 성질
3.1 비소오염 상황
1. 비소 ······························································································································· 1
4. 비소의 건강effect(영향) ······································································································ 6
1.2 비소의 역사
1.2 비소의 history
2.1 자연적인 발생원
설명
대기오염 - 중금속 중 비소에 관해서
3. 오염現況과 기준 ······································································································ 5
3.2 비소의 배출허용기출
4. 비소의 건강영향 ···················································
비소는 천연에서 원소 상태로 발견되기도 하나, 보통은 황, 철, 은, 코발트, 니켈 등 다른 원소와의 화합물로 존재한다. 이때 사용된 비소의 형태는 원소 자체가 아니라, 주로 황화물 상태의 천연 광물과 이를 가공하여 얻은 삼산화 비소(비상, As2O3 또는 As4O6)였다. 비소는 주로 구리를 제련할 때 부산물로 얻으나, 황비철광에서 직접 얻기도 한다.
6. 비소의 이용 ··············································································································· 8
2.2 인위적인 발생원
3.2 비소의 배출허용기출(己出)
대기오염,중금속,비소
2. 비소 발생원 ··············································································································· 3
1. 비소 ······························································································································· 1
2. 비소 발생원 ··············································································································· 3
1.1 비소의 정의
7. 출처 ······················································································································ 9
비소(砒素, Arsenic)1) 는 원자번호 33번의 원소로, 원소기호는 As이다. 원소 상태로 생산되는 양은 많지 않고, 주로 As2O3 형태로 생산되어 사용된다
5.1 물리적 성질
1.1 비소의 정이
5. 비소의 성질 ··············································································································· 7
레포트 > 자연과학계열
3.1 비소오염 現況
1. 비소 ······························································································································· 1 1.1 비소의 정의 1.2 비소의 역사 2. 비소 발생원 ··············································································································· 3 2.1 자연적인 발생원 2.2 인위적인 발생원 3. 오염현황과 기준 ······································································································ 5 3.1 비소오염 현황 3.2 비소의 배출허용기출 4. 비소의 건강영향 ···················································
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순서
2.1 자연적인 발생원
3. 오염상황과 기준 ······································································································ 5
다. 지각에서의 존재 비는 약 1.8 ppm (0.00018%)로, 대략 51번째로 풍부한 원소로 여겨지며, 생명체가 살고 있는 생물 생활권에서는 12번째로 풍부한 원소로 추정된다 주요 비소 광물은 계관석(鷄冠石, realgar: As4S4), 웅황(雄黃. orpiment: As2S3: 석웅황이라고도 함), 황비철광(黃砒鐵鑛, arsenopyrite 또는 mispickel: FeSAs) 등이다. 원소 상태의 비소는 1250년에 마그누스에 의해 처음 분리된 것으로 여겨진다. 회색, 노란색, 검정색의 3가지 비소 동소체가 있는데, 회색 비소(α-비소)가 가장 흔하고 주로 사용된다 비소는 고대부터 동서양 모두에 알려져 있었으며, 강한 독성 때문에 사람들을 독살하는데 사용되기도 한 반면, 암 등을 치료하는 의약품이나 안료로도 사용되었다. 주기율표에서 질소(N), 인(P), 안티모니(Sb), 비스무트(Bi)와 함께 15족(5A족)에 속하는 질소 족 원소로, 금속과 비금속의 중간 성질을 띠는 준금속이다.
