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What is the boiling range detection method of ethanol and the boiling range of ethanol? Ethanol absolute, an aqueous solution of ethanol of high purity, is a mixture
of ethanol and water.
In general, an ethanol solution with a concentration of 99.
5% is called ethanol anhydrous
.
Ethanol is an important organic solvent, widely used in medicine, coatings, hygiene products, cosmetics, oils and other aspects, accounting for about
50% of the total consumption of ethanol.
Ethanol is an important basic chemical raw material, used in the manufacture of acetaldehyde, ethylene, ethylamine, ethyl acetate, acetic acid, chloroethane, etc.
, and derived from medicine, dyes, coatings, fragrances, synthetic rubber, detergents, pesticides and other products of many intermediates, its products as many as more than
300 kinds.
The first distillation point .
deg C: 77 °C or above dry point, deg C: not higher than 78.
3 °C boiling range range: not more than 1.
3 °C ethanol boiling range detection method is in accordance with GB/T7534 method to detect, automatic distillation boiling range instrument SH6536 is strictly in accordance with GB/T7534 this standard design and production, can completely detect the boiling range temperature
of ethanol.
The use of ethanol as an intermediate in chemical products is gradually decreasing, and many products such as acetaldehyde and acetic acid no longer use ethanol as raw materials and are replaced
by other raw materials.
75% ethanol aqueous solution has strong bactericidal ability and is a commonly used disinfectant
.
Specially refined ethanol can also be used to make beverages
.
Similar to methanol, ethanol can be used as an energy source
.
Some countries have begun to use ethanol alone as car fuel or mixed with gasoline (more than 10%) to save gasoline
.