In order to prevent books from aging and embrittlement, the most important thing is to remove the acid from the paper. Now the most commonly used method is to soak books in magnesium bicarbonate or calcium bicarbonate solution and then dry them. This can remove the acid from the paper and prevent the acid reaction from happening again in the future.
2. Pest control.
(1) The articles in the warehouse should be clean, dry and well ventilated; There should be no cracks on bookshelves, walls or floors;
(2) The temperature of books and articles should always be kept at 6-20 degrees and the humidity should always be kept at 50%-60%;
(3) The collected books should be moved frequently, even books that are not commonly used should be turned regularly;
(4) On the bookshelf or bookcase, you can put some wrapped sanitary balls.
3. decontamination.
(1) Remove oil stains. Put a piece of absorbent paper on the oil stain and iron it gently for a few times to absorb all the oil. It can also be wiped off with a mixture of a few drops of gasoline and magnesium oxide.
(2) Remove ink marks. Put a piece of absorbent paper at the bottom of the page stained with ink marks, then soak the spots with 20% hydrogen peroxide solution or potassium permanganate solution, then put a piece of absorbent paper at the top of the page and press a heavy object, and the ink marks will disappear after drying. If there are brown spots when using potassium permanganate solution, oxalic acid or citric acid solution can be used to remove them.
(3) removing mildew spots. Soak the cotton in ammonia water and gently wipe the mildew spots until it is clean.
(4) In addition to fingerprints. Wipe off fingerprints with soap first, then wipe off soap traces with a wet cloth, and finally draw lines on the pages with absorbent paper to absorb water.
(5) remove flies. Dip cotton in vinegar or alcohol and gently rub it on the fly's excrement until the stain is removed.
Extended data:
The expression of ancient books:
(1) Qing Jian, Bian Wei and Qing Bian:
In ancient times, there was no paper, and the characters were written on bamboo slips, which were woven with leather ropes, so books were called "Green Slips" and "Bian Wei". "Reed" is a leather rope used to weave bamboo slips. "Clear the border" means "clear the border", which is woven with clear silk and used for taking notes, so ancient chronicle books are often called "clear the border".
(2) Yun Biao, Yunbian and Yunqian:
With paper, people often put "as fragrant as incense" in books to prevent insects from biting. Later generations used "cloud pen", "cloud edge" and "cloud front" to refer to books.
(3) light green, light green, light green:
"Pale green" is a blue-and-white silk fabric, and "Hua" is a light yellow silk fabric. The ancients often used these two kinds of silk fabrics as the covers and envelopes of books, so "light green" became synonymous with ancient books.
(4) Tomb raiding canon and tomb raiding records:
Legend has it that the early ancient books include Three Graves and Five Codes, Nine Hills and Eight Suos, etc. "Fendian" is the abbreviation of "Three Graves and Five Codes", and "Three Graves and Five Codes" and "Nine Hills and Eight Codes" are sometimes used to refer to ancient records, while "Fendian" and "Ji Fen" are often used as pronouns in ancient records.
(5) two ones:
Represents a wealth of books. "Yule" originally belonged to Judas Mountain and Xiaoyou Mountain in Hunan. According to legend, there are thousands of books in Xiaoyou Cave, which were left by Qin people and later used to refer to a rich collection of books.
Baidu encyclopedia-books
China News Network-Ancient books can be preserved for thousands of years, while modern publications only exist for decades.
China News Network-Can paper books really be preserved for thousands of years?