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Abstract
<img src="https://cdn-images-1.readmedium.com/v2/resize:fit:800/0*P0eQgfpkOS1IDKuQ.jpg"><figcaption>像這種。圖片來源︰<a href="https://commons.wikimedia.org/wiki/File:Distilled_water_(8782694759).jpg">wiki</a></figcaption></figure><p id="dff1">為什麼在這次清潔中反而不是最乾凈的水會更能保護布料呢？原來因為布料已經被細菌嚴重侵蝕，纖維的結構脆弱不堪。這時用完全無雜質的水接觸它的話，結構和清潔劑之間的細菌和鹽分含量實在差太遠，結構內的這些雜質便會一次過滲透出來（osmosis）。原來太乾凈也有太乾凈的問題，實在是長知識了！</p><p id="6b53">認真學習的考生或許會追問︰等等！既然題目已經p.s.說任何一種清潔劑都會造成損害，那最佳的答案不是什麼也不做最好嗎！</p><p id="ef63">Well，研究團隊確實也有考慮過「躺平」的做法，可是如果什麼也不做，這些衣服碎片也什麼用途都沒有了︰沒經過清洗消毒，既不能展出，又不能研究，至少現在這批碎片是用在「如何清潔長期浸於海水的十七世紀附有金屬線的絲綢織品」的論文研究啊！（團隊真的這樣說）</p><p id="c539">退一萬步講，即使想「躺平」，文物保存師也要考慮用什麼樣的水（礦物量、酸鹼度等）去保持碎布濕潤（就這樣風乾會影響結構），用什麼器具盛載，如何減低文物惡化的速度等問題，結果也是沒做少了功課啊。</p><p id="bbbd">順帶一題，研究團隊也有測試過直接用海水清洗的成效，畢竟用海水是最能降低滲透作用產生的結構破壞。可是，用海水根本完全沒有使布料變得乾凈哪怕一點點，清洗的原因本末倒置了。</p><p id="cffc">如有興趣了解更多可以去看原論文︰</p><p id="d9e6"><a href="https://doi.org/10.1080/19455224.2021.2017315">Telleman, S., de Groot, E., Joosten, I., Lugtigheid, R. and van Bommel, M., 2022. The Texel textile find revisited: the testing of cleaning and drying processes for historical wet rags. <i>Journal of the Institute of Conservation</i>, 45(1), pp.3–17.</a></p><p id="8555">加入Medium成為會員可以看不限量看所有作者的付費文章，按下面連結加入同時會給我少少的零用錢︰</p><div id="ecd3" class="link-block">
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