Tip 1: How to get sulfuric acid

Chemistry is one of the most important fields of natural science, and one of its main materials, without which this science - is sulfuric acid.It finds application in virtually any chemical process.Simply put, sulfuric acid - is the queen of chemistry.
you need
  • Battery electrolyte jar, pot, engine oil, electric.
Guide
1
In the industry it is prepared by dissolving sulfuric anhydride (sulfur trioxide) in the water.For obtaining anhydride, sulfur dioxide is formed, for example, after roasting sulphide ores, or prepared by direct method (burning sulfur in oxygen) is oxidized to sulfur trioxide at a temperature of 500 degrees Celsius on the catalysts of platinum, vanadium oxide, and the like.But that would be a concentrated sulfuric acid artisanal necessarily use the above trick.In the automotive shop buy battery electrolyte take ordinary glass jar and pour it in there, and then take the pan, pour motor oil in it (quite come down and working out) and put it to the bank.Then we put it all o
n the electric stove.
2
Thus, there is evaporation of water from the electrolyte.The trick of the oil bath is an oil the boiling point slightly higher than the boiling point of water, and thus water boils quietly and oil boils and jar whole remains, sinceheated uniformly over the entire area.Even hot concentrated sulfuric acid does not interact with the glass, so the amount of impurities therein is minimal.The process may be carried out at temperatures ranging from 100 to 300 degrees, but it is better not to exceed the boiling point of the oil.Continue the process as long as the water boils away.In principle, the enrichment of sulfuric acid can be produced in a good metallic container, but then be acid heavily contaminated by impurities and will have a darker color, and besides, there is a possibility that the capacity of the process will leak.

Tip 2: How to evaporate the electrolyte

There are situations when the car owner does not want to or can not afford to repair or replace a car battery.If the electrolyte level has dropped to the level of threatening?Add electrolyte faulty branch in such a situation is vital.We'll have to arm themselves with knowledge of chemistry and simple device.
Repair car battery
you need
  • - acid-proof cookware capacity of 4-5 liters (heat-resistant glass flask, ceramics, lead or ebony)
  • - pick-up tube with a hydrometer, thermometer
  • - stick of hard rubber orGlass
  • - rubber pear with a tip which is resistant to acid
  • - capacity of 1 liter and a few with small deletions in the 0.1-0.2 liter
  • - Distilled water intended for accumulators
  • - sulfuric acid rechargeable
Guide
1
Pour into the prepared acid resistant container with distilled water.The amount determined in advance by means of the table.
2
Add to the sulfuric acid.The amount should also be carefully calculated.Be sure to do it in a thin stream while stirring continuously with a glass rod or ebony.
3
Cool electrolyte to + 25 ° C and check the density of the substance.Adjust the number to the required density.This is done in distilled water or sulfuric acid.
Note
When mixing the components necessary to remember that in the process of a huge amount of heat is released.It is better to carry out the evaporation process is not in the room and in the courtyard or on the balcony.Otherwise, the risk of getting respiratory tract burns unreasonably high.Do not be amiss to have on hand a ready solution of 10% of baking soda to neutralize the spilled acid.Ideally, you want to protect hands with gloves, an apron and a body.The electrolyte should be kept for 15-20 hours in a closed vessel for precipitation of solids.
Helpful Hint
Evaporation produces a very low heat.The amount of water and sulfuric acid is calculated with the help of a special table.It is expedient to prepare the electrolyte initially density of 1.4 g / cm3.Subsequently, it was adjusted to 1.26 g / cm3 or other figures.The necessary density of the final product turns out in advance of the tables, taking into account the climatic zone.The activity depends on the temperature of the electrolyte.When used in cold temperatures the density of electrolyte increases and at higher - on the contrary, decreases.
Sources:
  • Electrical
  • electrolyte for the battery - the basis of preparation
Note
Avoid sudden changes in temperature, it concerns a glass jar, ieDo not place a cold jar into the hot oil and hot jars on a cold surface, allow to cool completely, otherwise it will certainly burst.Be sure to protect the eyes, skin, clothing, wear gloves, goggles and other means.Hot concentrated sulfuric acid is quite a scary thing.
Helpful Hint
in automotive stores besides the standard electrolyte density of 1.27 density has sold 1.4, take it, will yield more.Doing things like this, it is desirable in the air, aswhile heating oil will be a little smoke.
Sources:
  • sulfuric acid

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