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H2SO4 Dehydration Sulphuric Acid for Dehydrating Agent

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  • sulphuric acid

  • XLW

Product Description


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Sulfuric acid/Sul phuric Acid  H2SO4

Sulfuric acid (Chemical formula :H2SO4), the most important oxygenated acid of sulfur. Anhydrous sulfuric acid is colorless oil liquid, 10.36ºC crystallization, usually used is its various concentrations of aqueous solution, by the tower method and contact method. The former is crude dilute sulfuric acid, the mass fraction is generally about 75%; The latter results in pure concentrated sulfuric acid with a mass fraction of 98.3%, boiling point of 338ºC and relative density of 1.84.


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Product Specification

Our sulfuric acid meets Chinese national standards, as well as European and American standards.

Item Reagent Grade Battery Grade Industrial Grade
H2SO4 content %≥ 98.0 98.0 98.0
Ash %≤ 0.003 0.003 0.1
Fe %≤ 0.0001 0.0002 0.01
As%≤ 0.0001 0.005 -
Pb%≤ 0.005 0.002 -
Transparency(mm) %≥ 80 50 50
Chromaticity (ml) %≥ 2.0 2.0 2.0

PHYSICAL PROPERTIES

Sulfuric acid (alternative spelling sulphuric acid), also known as vitriol, is a mineral acid composed of the elements sulfur, oxygen and hydrogen, with molecular formula H2SO4. It is a colorless, odorless, and viscous liquid that is soluble in water and is synthesized in reactions that are highly exothermic.

Its corrosiveness can be mainly ascribed to its strong acidic nature, and, if at a high concentration, its dehydrating and oxidizing properties. It is also hygroscopic, readily absorbing water vapor from the air.Upon contact, sulfuric acid can cause severe chemical burns and even secondary thermal burns; it is very dangerous even at lower concentrations.


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Sulfuric Acid concentrations are used for different purposes. 

Some common concentrations are:

Mass fraction
H2SO4
Density
(kg/L)
Concentration
(mol/L)
Common name
<29% 1.00-1.25 <4.2 diluted sulfuric acid
29-32% 1.25-1.28 4.2-5.0 battery acid
(used in lead-acid batteries)
62-70% 1.52-1.60 9.6-11.5 chamber acid
fertilizer acid
78-80% 1.70-1.73 13.5-14.0 tower acid
Glover acid
98.3% 1.84 18.4 concentrated sulfuric acid

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