광주천 본천상의 N-hexane 추출물에 관한 조사 연구
Studies on contamination of N-hexane extraction matter in Kwangju river
광주보건전문대학논문집 1984년 9권 1호 p.1 ~ 8
소속 상세정보
류일광
이치영/강영식/노기환
KMID : 0615219840090010001
Abstract
Waste-water pollution of Kwangju river was examined for six months from May, 1983 to Oct, 1983. For checking the waste-water pollution, 5 sampling positions were selected from main river.
The obtained results were as followings.
1) The concentration of N-hexane extraction matter in Kwangju river were increased gradually from 31.9ppm in July.
2) The average concentration of N-hexane extraction matter in mid-stream (sampling position in Kwangju bridge, Yangdong bridge and Kwangcheon bridge) was 12.4∼17.7ppm and in down stream(sampling position in Yuduck dong) was 23.6ppm.
3) In the relationship between N-hexane extraction matter and COD a strong and significant correlation coefficient(r=0.65) was calculated and the frequency distribute very closely along- the straight line equation, y=23.39x- 325.44.
4) From above facts the author found out that as the N-hexane extraction matter concentration in general river water coexist closely with other pollutant it is likely to be considered as new water pollution index.
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