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书籍一旦沾染污迹,不仅会缩短书的使用寿命,而且也会影响看书的效果。除污的方法是:①除油迹在油迹上放一张吸水纸,用熨斗轻轻地熨几遍,便可以把油分吸尽。也可以用几滴汽油和氧化镁的混合剂擦除。②除墨水迹在染有墨水迹的书页下边,先垫一张吸水纸,再用20%的双氧水溶液或高锰酸钾溶液浸湿污斑,然后在书页上边放一张吸水纸,并压上重物,等干后墨水迹就会消失。如果用
Once stained books, books will not only shorten the life of the book, but also affect the reading effect. Decontamination method is: ① In addition to the oil trail Put a piece of absorbent paper on the oil, iron gently iron several times, you can put the oil to exhaust. You can also use a few drops of gasoline and magnesium oxide mixture to erase. ② In addition to the ink traces in the pages of ink stained with ink, pad a piece of absorbent paper, then 20% aqueous solution of hydrogen peroxide or potassium permanganate soak stains, and then put a piece of absorbent paper on the page, and pressure On the heavy objects, dry ink traces will disappear. If used