分光光度计测定水体中微纤维浓度的方法研究

doi:10.19784/j.cnki.issn1672-0172.2023.03.016

家电科技 ›› 2023, Vol. 0 ›› Issue (3): 94-98.doi: 10.19784/j.cnki.issn1672-0172.2023.03.016

分光光度计测定水体中微纤维浓度的方法研究

韩其洋^1a,1b, 吴雄英², 丁雪梅^1a,1b

1.东华大学,a.服装与艺术设计学院;b.现代服装设计与技术教育部重点实验室上海 200051;
2.上海海关上海 200135

出版日期:2023-06-01 发布日期:2023-08-29
通讯作者: 丁雪梅,E-mail：fddingxm@dhu.edu.cn。
作者简介:韩其洋（1995—）,女,博士研究生。研究方向：洗涤释放微纤维方面研究。地址：上海市东华大学。
基金资助:
中央高校基本科研业务费专项基金（2232022G-08）

Research on the measurement of microfiber concentration with spectrophotometry

HAN Qiyang^1a,1b, WU Xiongying², DING Xuemei^1a,1b

1a. College of Fashion and Design; 1b. Key Laboratory of Clothing Design and Technology, Ministry of Education, Donghua University Shanghai 200051;
2. Shanghai Customs Shanghai 200135

Online:2023-06-01 Published:2023-08-29

摘要/Abstract

摘要： 为解决传统量化方法（包括称重法和显微计数法）测定水体中微纤维浓度过滤环节操作繁琐和费时费力等问题,针对家庭洗涤中释放的两类最常见微纤维（棉和涤纶）,提出一种通过吸光度来间接测定水体中微纤维浓度的方法。通过配置不同质量浓度的微纤维悬浮液,在波长500 nm条件下测定其对应的吸光度,研究质量浓度和吸光度两者的相关性。结果表明,两种微纤维悬浮液的吸光度与质量浓度之间呈线性相关,并建立了棉微纤维悬浮液浓度、涤纶微纤维悬浮液浓度与吸光度之间的线性回归方程式。

关键词: 微塑料, 微纤维, 水体, 浓度, 吸光度

Abstract: Traditional quantification methods for measuring microfibers in water, including weighing method and microscopic counting method, are time-consuming and laborious. To improve this, a UV-Vis method has been developed to measure the two most common types of microfibers (cotton and polyester) released in household washing. Microfiber suspensions was prepared with different mass concentrations, and then the corresponding absorbance was measured at a wavelength of 500 nm to study the correlation between concentration and absorbance. The results show that there is a linear correlation between the absorbance and the mass concentration, and build the linear regression equation for cotton and polyester.

Key words: Microplastics, Microfibers, Water, Concentration, Absorbance

中图分类号:

TS941.15

韩其洋, 吴雄英, 丁雪梅. 分光光度计测定水体中微纤维浓度的方法研究[J]. 家电科技, 2023, 0(3): 94-98.

HAN Qiyang, WU Xiongying, DING Xuemei. Research on the measurement of microfiber concentration with spectrophotometry[J]. Journal of Appliance Science & Technology, 2023, 0(3): 94-98.

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分光光度计测定水体中微纤维浓度的方法研究

Research on the measurement of microfiber concentration with spectrophotometry

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