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[1]周桂海*,王德智.紫外分光光度法测定电镀锡板表面涂油量[J].电镀与精饰,2024,(7):116-119.[doi:10.3969/j.issn.1001-3849.2024.07.018]
　Zhou Guihai *,Wang Dezhi.Determination of surface oil on electrolytic tinplate by ultraviolet photometry[J].Plating & Finishing,2024,(7):116-119.[doi:10.3969/j.issn.1001-3849.2024.07.018]

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紫外分光光度法测定电镀锡板表面涂油量

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG] 卷: 期数: 2024年7 页码: 116-119 栏目: 出版日期: 2024-07-15

Title:: Determination of surface oil on electrolytic tinplate by ultraviolet photometry

作者:: 周桂海*; 王德智; （上海梅山钢铁股份有限公司技术中心，江苏南京 210039）

Author(s):: Zhou Guihai * ; Wang Dezhi; （Technology Center， Shanghai Meishan Iron and Steel Co.， Ltd.， Nanjing 210039， China）

关键词:: 紫外光度法; 镀锡板; 涂油量; 测量

Keywords:: ultraviolet photometry ; tin plate ; oil content ; determination

分类号:: O0657.31

DOI:: 10.3969/j.issn.1001-3849.2024.07.018

文献标志码:: A

摘要:: 涂油量是电镀锡板产品关键指标之一。通过对有机萃取剂、吸收波长、校准曲线等研究，建立了紫外光度法测定电镀锡板表面涂油量检测方法。选择正庚烷作为有机萃取剂，吸收波长为 270 nm ，油质量浓度在 10.00~ 100.00 mg/L 范围内，吸光度与涂油质量呈线性关系，线性回归方程为 y= 121.710 x+ 0.965 。应用该方法检测电镀锡板表面涂油量，检测结果相对标准偏差为 ? 2.81% ～ 2.57%% ，加标回收实验回收率为 97.2% ～ 103.2% 。该方法与重量法比对，检测结果无显著性差异，完全满足电镀锡板表面涂油量指标监控要求。

Abstract:: ： Surface oil is one of the key indexes of electrolytic tinplate products. Determination of surface oil content on electrolytic tinplate by ultraviolet photometry was established based on the study of organic extraction agent ， absorption wavelength and calibration curve. N-heptane was selected as the organic solvent ， and the wavelength of 270 nm was selected as absorption wavelength. The oil mass concentration was in the range of 10.00 to 100.00 mg/L ， Linear relationship between values of the absorbance and the coated oil quality was obtained as shown by the linear regression equation of y= 121.710 x+ 0.965. The proposed method was applied to the determination of surface oil in actual sample. The relative standard deviation was ?2.81% to 2.57% ， and the recovery was between 97.2% and 103.2%. Compared with gravimetric analysis ， there was no significant difference. The method meets the monitoring requirements of surface oil on electrolytic tinplate production.

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备注/Memo

收稿日期： 2023-09-10 修回日期： 2023-10-08 作者简介：周桂海（ 1979 ―），男，硕士，高级工程师， email ： 1736414942@qq.com?/html>

更新日期/Last Update: 2024-07-09