Important paper is sprinkled with coffee and turns yellow, what do you want to make it white?

It is impossible to leave no traces completely and completely, because the pigment has completely penetrated deep into the fibers of the paper.

Solution: According to your paper situation, you can first put a little neutral laundry detergent in hot water (30-40 degrees), and then dip the yellowing part in, hold the lower part with one hand, and wipe it with a brush, and decide the length of time according to the effect and the condition of the paper.

If you feel still not satisfied after processing, you can use the printing and dyeing brightener to adjust it to a degree close to your paper color, dip the yellow part of the paper into it, and take it out to dry.

First use a small drop of ethanol on the corners of the paper, repeat twice, to see if there is an obvious effect, if you can let the color of the inside volatilize with ethanol, it is better, if not, it is recommended that the landlord use tape to slowly stick the colored place of the layer, or stick to the general, with a little modification solution! That's all there is to it!

I don't have a better way to clean up the paper, but coffee stains are one of the most difficult stains to clean, and I believe that no matter how good the way is, there will be traces.

Since the landlord has said that the corners have turned yellow, it is ugly, personal advice, can be fixed by frame decoration to cover up and protect, if you need to use but want to beautify to a certain extent, you can paste some edge flowers, color and pattern can be adjusted with the landlord personally.

Use a little ethanol to wash it and try it, ethanol is volatile, and even if you use a little less, it will not have a negative effect.

Effect. It is recommended to wash it several times.

Take it to copy black and white color.

This is fancy coffee, which is made of espresso with milk foam, and the espresso is also black with a layer of yellow grease on top, and with milk foam, it is ** This kind of single black coffee and Italian coffee are completely different two kinds of coffee.

You buy instant black coffee, and you can have a similar color with milk, and instant coffee is strictly not coffee, it's just a coffee-flavored drink.

Because the exclusive secret recipe is different.

Someone else's fancy coffee is brewed, yours is coffee powder, can it be the same?

If you take the chalk and put it on top without drying thoroughly, you can suck the coffee on top of the chalk.

It's hard in general.

However, if the paper is not dry, immediately clamp the napkin inside each sheet and press a weight on the book to wait for it to dry completely, so as to prevent the book from wrinkling due to water immersion. This one I've tried works very well, but be careful when clipping paper!

What is the problem? It's the same reason I asked what kind of bleaching can be used when the fungus is black...

It can be bleached with sulfur dioxide, but it can't be done at home, and sulfur dioxide is toxic.

The yellowing of the paper is due to the fact that the paper is bleached with sulfur dioxide, which is bleached by the formation of unstable compounds that are easy to decompose.

After the selection of the type and specification of the paper used, the quality grade of the paper should be carefully selected. In other words, it is necessary to be familiar with the characteristics and quality status of various products in each paper mill, and to keep abreast of and grasp their changes.

The yellowing of the paper is due to the fact that the paper is bleached with sulfur dioxide, which is bleached by the formation of unstable compounds that are easy to decompose. So you can bleach it with sulfur dioxide again, but you can't do it at home, and sulfur dioxide is toxic.

Yellowing of the paper is the cause of oxidation. Oxidation can be avoided as much as possible, and the paper can be avoided from turning yellow. As long as the following three points can be guaranteed, the yellowing of the paper can basically be avoided.

Solution: Reduce contact with air, reduce contact with moisture, and reduce contact with sunlight.

Human beings cannot resist the influence of time on things. The same goes for paper.

Smoked with sulfur, but it's very troublesome, page by page.

Forget it, don't get it, it's even worse if you break it carefully, it's best to make a design block.

Generally speaking, it will not be disposed of, because there is no way to clean it up, and it can only be used and replaced or replaced directly! Hope it helps, hope!

Rinse with water or light detergent.

Take 84 disinfectant solution and mix it with water bubbles, it will be much whiter.

Method steps.

1. Pre-coating method of drying clothes: When the clothes are dry, gently press the pump head on the coffee stain area, squeeze out an appropriate amount of laundry detergent and apply it to the coffee stain (in order to avoid the spread of coffee stains, you can use your fingers to circle from the outside to the inside, and apply it evenly). Let it sit for 3-5 minutes before regular hand washing.

2. If step 1 fails to solve the problem of "how to wash coffee", do not panic, you can use the "color stain soaking method". First, take half a basin of water (about 2L), take a cap of blue moonshine and white clothes (600g specification) stock solution and pour it into water to dilute (that is, 40g stock solution to 2L water). (Blue moonshine has a stricter use method and range, and is only suitable for white cotton, linen, and polyester clothing, see [Warm Tips] below).

3. After the dilution is completed, soak the original washed and wrung out clothes in a basin, soak for about 40 minutes (pay attention to avoid light), if there are coffee stains, you can extend the soaking time appropriately, and after 2 hours, add an additional amount (per 2L of water, add 40g of blue moonshine and white clothes to the color stain of the original solution), but the longest can not exceed 6 hours.

4. After the coffee stains on the clothes are completely gone, rinse the clothes with clean water.

5. After washing and drying, the clothes are as white as new. Do you still need to worry about how to wash coffee!

Tips.

11. The longer the stains on the clothes, the more difficult it is to deal with. Therefore, it is necessary to wash dirty clothes in time.

2. White clothes are suitable for white cotton, linen, polyester, polyester cotton, cotton and linen fabrics, do not use silk wool spandex nylon and other non-chlorine bleaching clothes, do not directly use the original solution. White clothing or colored clothing not made of cotton, linen or polyester can be treated with blue moonshine colored clothing.

Washing with vinegar, or with baking soda will be better.

Yellowing of clothes can be washed with lemon boiling water.

Do you mean coffee-colored potion? The wallpaper is accidentally dyed with color, don't worry, there are many ways to deal with it. The first is to divide the wallpaper that has been splashed with the potion and put it on the new wallpaper that has been re-pasted with the specified wallpaper, and the second is to attach a picture or hang a picture frame if the part that has been splashed with the potion is in the middle of the wall or in a prominent place that can be seen by the eye.

to cover up the unsightly part of this wallpaper. The third way, the watercolor of the same color is used to cover the wallpaper with the potion that looks good, and the fourth way, the ink can be removed by wiping it with a detergent.

It is difficult to remove coffee from paper for a long time, but you can use a clean towel, dip it in a little water, and then use our usual cleansing facial cleanser.

Rub it gently on it until the color disappears, and be sure to put less water and facial cleanser, otherwise it will form water stains or yellowing marks. Try.

You can buy a special shoe wash for washing shoes and wipe it with a rag! You can also wipe it with a brush dipped in soapy water or laundry detergent water! Let it be covered with toilet paper and bask in the sun!

White shoes can easily get tanned, so you can put a white napkin on your shoes to cover them when you dry them. For shoes that have been yellowed, you can add bleach to bleach, or wash them several times, and cover them with a white paper towel after each wash, and they will slowly turn white back.

If the shoes have turned yellow, you can buy lead powder in the store to brush them, wash them, brush them when they are wet, and then wrap them in paper to dry to ensure that your shoes are as white as new. If you pay attention to the boots of the Peking Opera actors, the boots are absolutely white, that is, they are painted with lead stucco.

84 and other water with bleaching effect should be used with caution and is corrosive.

1. Wrap a tissue on the shoes when washing and bringing water, it is best to let the facial tissue stick to the wet shoes, the paper on the shoes is yellow, and the shoes become very white.

2. Wash the shoes first, then dilute the bleach with water according to the instructions, then soak the shoes in about 20 minutes and take them out, rinse them with water again, and then paste a paper towel to dry them when drying.

3. You can use whitening toothpaste to brush your shoes and dry, and then wash them again to dry.

4. Dissolve a spoonful of baking soda in a small basin of water, then soak the shoes to be washed for a while, and then apply soap to wash.

5. After the shoes are washed, soak them in the rice washing water for a while and then dry them, and the shoes will be white.

Re-wash it, put on white toilet paper and dry it again!