The cleanability of stainless steel as determined by X-ray photoelectron spectroscopy

被引:40
作者
Boyd, RD
Verran, J
Hall, KE
Underhill, C
Hibbert, S
West, R
机构
[1] Manchester Metropolitan Univ, Dept Chem & Mat, Manchester M1 5GD, Lancs, England
[2] Campden & Chorleywood FRA, Chipping Campden GL55 6LD, Glos, England
[3] CSMA Ltd, Manchester M1 7ED, Lancs, England
关键词
XPS; cleanability; carbohydrate; Staphylococcus aureus;
D O I
10.1016/S0169-4332(00)00840-0
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The cleanability of stainless steel using a starch soil was investigated using X-ray photoelectron spectroscopy and atomic force microscopy. Two cleaning regimes were examined: high pressure spray system removed absorbed material much more effectively than mechanical action. Surface defects on the stainless steel acted as sites: for soil retention. When starch was combined with the Staphylococcus aureus bacterium the two components were removed at different rates from the surface caused by difference in size between the starch molecules and bacterium cells. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:135 / 143
页数:9
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