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author:

齐国敏 (齐国敏.) [1]

Indexed by:

PKU

Abstract:

以含巯基葡聚糖凝胶的吸附柱手控注射萃取,结合偏最小二乘方法(PLS)开展萃取富集-可见光谱多元校正分析,建立Pb(Ⅱ)、Cd(Ⅱ)和Cu(Ⅱ)金属离子多组分识别数学模型;优化注射吸附柱萃取参数,研究不同组分的光谱相关性、识别模型主成分数和预测准确性.在最佳条件下,Pb(Ⅱ)、Cd(Ⅱ)和Cu(Ⅱ)离子可以被同时测定,最低理论检出限分别可达0.6、0.2和0.2 ng?mL-1;Pb、Cd和Cu的PLS分析与原子吸收光谱法比较,测定偏差为-8.2%~1.8%,-2.0%~-12.9%和-1.5%~8.4%;水样中Pb、Cd和Cu组分均能得到良好的检测,检测回收率为82.5%~112.5%,结果良好.

Keyword:

偏最小二乘法 可见光谱 同时测定 手控注射萃取 金属离子

Community:

  • [ 1 ] [齐国敏]福州大学

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 2022

Issue: 2

Volume: 50

Page: 258-263

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 0

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