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TOF-SIMS analysis of corroding museum glass

机译：腐蚀博物馆玻璃的TOF-SIMS分析

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Corrosion salts form on the surface of vulnerable low lime glass as it corrodes and if left to develop, reduce the clarity of the object and ultimately permanently damage and stain the glass surface. The glass artefacts must therefore be cleaned to remove these corrosion products as they appear. The cleaning procedure used must not, of course, speed up the deterioration process. However, the effect of cleaning procedures on glass objects has not been monitored systematically to date. In this work, a replica museum glass was cleaned using a known surfactant (Synperonic N) and then aged at 40%RH and room temperature for 1 week. A sample which had not been cleaned was also aged under the same conditions. The glass was then analysed and imaged using an ION-TOF GmbH SIMS instrument (TOF.SIMS 5) fitted with a Bismuth ion source. The results showed that the corrosion salts were forming heterogeneously across the surface of the glass and analysis of these salts indicated the presence of formates and carbonates. (c) 2006 Elsevier B.V. All rights reserved.
机译：易腐蚀的低石灰玻璃在腐蚀时会在其表面形成腐蚀盐，如果任其发展，则会降低物体的清晰度，并最终永久性损坏并弄脏玻璃表面。因此，必须清洁玻璃制品，以清除出现的腐蚀产物。当然，所使用的清洁程序一定不能加快老化过程。然而，迄今为止，清洁程序对玻璃物体的影响尚未得到系统的监测。在这项工作中，使用已知的表面活性剂（Synperonic N）清洁复制品博物馆玻璃，然后在40％RH和室温下老化1周。未清洗的样品也要在相同条件下老化。然后使用装有铋离子源的ION-TOF GmbH SIMS仪器（TOF.SIMS 5）对玻璃进行分析和成像。结果表明，腐蚀盐在玻璃表面上异质形成，对这些盐的分析表明存在甲酸盐和碳酸盐。 （c）2006 Elsevier B.V.保留所有权利。

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