Acetic acid in everyday life

There are dif­fer­ent types of vine­gar, but the most pop­u­lar are:

• ta­ble or syn­thet­ic vine­gar;

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• nat­u­ral vine­gar;

• ap­ple vine­gar ob­tained from the fer­men­ta­tion of ap­ples.

Mak­ing ta­ble vine­gar

We of­ten want to know how to di­lute vine­gar essence with wa­ter, in or­der to ob­tain a cer­tain so­lu­tion that is suit­able for use. Vine­gar essence is a high­ly con­cen­trat­ed so­lu­tion of acetic acid with a con­cen­tra­tion of 70-80%, while or­di­nary vine­gar has an acid con­cen­tra­tion of 3 to 15%. You can make or­di­nary vine­gar from vine­gar essence in the home, but you need to ob­serve one rule: keep safe!

For the ex­per­i­ment, you will need:

• 70% vine­gar essence;

• a glass ves­sel;

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  cold boiled wa­ter;

• a ta­ble­spoon;

• also use gloves while mak­ing the so­lu­tion.

When there’s only essence in the home, but a 9% vine­gar so­lu­tion is re­quired, this presents an im­pos­si­ble prob­lem for cooks. But mak­ing a low-con­cen­tra­tion so­lu­tion at home is quite sim­ple: even a per­son who is in­ex­pe­ri­enced in chem­istry may achieve the re­quired re­sult.

To make a weak 3% so­lu­tion, you will need 20 ta­ble­spoons of wa­ter per one ta­ble­spoon of essence. A 6% so­lu­tion can be ob­tained as fol­lows: per one ta­ble­spoon of essence, add 11 ta­ble­spoons of wa­ter.

For a 9% so­lu­tion, use 7 ta­ble­spoons. By adding a lot of wa­ter to a small amount of vine­gar, you will get a weak con­cen­trate.

Why you should be care­ful when work­ing with vine­gar

Vine­gar is an or­gan­ic acid and as we know when this sub­stance touch­es the skin, you may get a mild chem­i­cal burn, es­pe­cial­ly if you’re work­ing with an essence. But some­times skin lay­ers are so bad­ly in­jured that ur­gent med­i­cal at­ten­tion is re­quired. So you shouldn’t keep a bot­tle of acetic acid where small chil­dren can reach it: kids are al­ways cu­ri­ous. In di­lut­ing the essence, we rec­om­mend that you wear gloves, and that the room is well aired.

If undi­lut­ed vine­gar does get on your skin, then wa­ter with soda or a soap so­lu­tion may help. If the burn is se­vere, call a doc­tor.

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When vine­gar gets on to the mu­cous mem­brane, it caus­es a burn. So in this case you must rinse the mu­cous mem­brane and eyes with cold wa­ter, and if the con­di­tion is crit­i­cal, im­me­di­ate­ly call a doc­tor. You should also call a doc­tor if you suf­fer food poi­son­ing from vine­gar.

An in­ter­est­ing ex­per­i­ment with vine­gar

You can show this ex­per­i­ment to chil­dren, they’ll love the ef­fect: a chick­en egg turns rub­bery!

You will need:

• vine­gar essence;

• a raw chick­en egg;

• a glass;

• and of course pa­tience!

You can do this trick at home, but make sure that the child con­ducts the ex­per­i­ment with an adult present! Put the egg in the glass and cov­er it with vine­gar. You can see lit­tle bub­bles of gas form­ing on the eggshell im­me­di­ate­ly. This re­ac­tion takes place be­cause of the vine­gar dis­solves the cal­ci­um that the eggshell is made of. Leave the egg in the vine­gar for 24 hours. Then re­move the egg with a spoon and place it on a plate, and rinse it with cold wa­ter. But you can get the re­sult 10x times faster! Click here to find out how.

Source: https://en.congthucvatly.com
Category: Cook