当代化工
噹代化工
당대화공
CONTEMPORARY CHEMICAL INDUSTRY
2015年
6期
1432-1434,1437
,共4页
火焰原子吸收分光光度计%硒%纯化水
火燄原子吸收分光光度計%硒%純化水
화염원자흡수분광광도계%서%순화수
Flame atomic absorption spectrophotometer%Selenium%Purified water
采用火焰原子吸收分光光度计测定了纯化水中硒的含量。实验优化了仪器测量参数，分别考察燃烧器温度、燃烧器的高度、元素灵敏线、灯电流、火焰及狭缝宽度等对测定的影响。结果：仪器检出限为0.0045μg/L，样品的吸光度为0.169，水样中硒平均含量为6.68μg/L，标准偏差为0.0153。样品的测得结果(6.68±0.0153)μg/L，样品曲线回归线 y=0.0256x+0.171，r=0.998。结论：火焰原子法操作简便、灵敏度高，适合快速测定水中的微量硒。
採用火燄原子吸收分光光度計測定瞭純化水中硒的含量。實驗優化瞭儀器測量參數，分彆攷察燃燒器溫度、燃燒器的高度、元素靈敏線、燈電流、火燄及狹縫寬度等對測定的影響。結果：儀器檢齣限為0.0045μg/L，樣品的吸光度為0.169，水樣中硒平均含量為6.68μg/L，標準偏差為0.0153。樣品的測得結果(6.68±0.0153)μg/L，樣品麯線迴歸線 y=0.0256x+0.171，r=0.998。結論：火燄原子法操作簡便、靈敏度高，適閤快速測定水中的微量硒。
채용화염원자흡수분광광도계측정료순화수중서적함량。실험우화료의기측량삼수，분별고찰연소기온도、연소기적고도、원소령민선、등전류、화염급협봉관도등대측정적영향。결과：의기검출한위0.0045μg/L，양품적흡광도위0.169，수양중서평균함량위6.68μg/L，표준편차위0.0153。양품적측득결과(6.68±0.0153)μg/L，양품곡선회귀선 y=0.0256x+0.171，r=0.998。결론：화염원자법조작간편、령민도고，괄합쾌속측정수중적미량서。
The flame atomic absorption spectrophotometer was used to determine the total selenium content in water. The instrument survey parameters in the experiment were optimized, effect of burner temperature, burner height, element line sensitivity, lamp current, flamboyance and slit width on the determination was investigated. The results show that the detection limit is 0.004 5 μg/L, sample absorbance is 0.169, the average content of Se is 6.68 μg/L, sample standard deviation is 0.0153, the measurement results are 6.68±0.015 3 μg/L, the sample regression line y=0.0256x+0.171, r=0.998. So the experimental technique operation is simple, the sensitivity is high, the result is satisfying.
