What does the chemical reagent sulfuric acid certification unit mean

The purity of the reagent sulfuric acid is high, and the impurity content is almost zero.

It is specially used for chemical experiments and chemical analysis.

Generally, industrial sulfuric acid is divided into three types, the purity is not very high, the impurity content is higher, and the impurity composition is also very complex, but it can be widely used in industrial use, such as fertilizer, metal refining, leather neutralization, electroplating and pickling and other industries.

Sulfuric acid (chemical formula: HSO), the most important oxygenated acid of sulfur.

Anhydrous sulfuric acid is a colorless oily liquid, when crystallized, it is usually used in various concentrations of aqueous solutions, using the tower method and contact method.

The former is crude dilute sulfuric acid, and the mass fraction is generally about 75%;

The latter can obtain pure concentrated sulfuric acid with a boiling point of 338 and a relative density.

Sulfuric acid is one of the most reactive binary inorganic acids that reacts with many metals.

High concentration of sulfuric acid has strong water absorption, can be used as a dehydrating agent, carbonized wood, paper, cotton and linen fabrics and biological skin and other carbohydrate-containing substances.

When mixed with water, a large amount of heat energy is also emitted.

It is highly corrosive and oxidizing, so it should be used with caution.

It is an important industrial raw material, which can be used to make fertilizers, medicines, explosives, pigments, detergents, batteries, etc., and is also widely used in purifying petroleum, metal smelting and dyes and other industries.

It is often used as a chemical reagent and can be used as a dehydrating agent and sulfonating agent in organic synthesis.

I want to buy sulfuric acid, can anyone help me get sulfuric acid in Hebei area, or Hengshui City, urgently!!

AC is the acetic acid group, AC- is the acetate group, and HAC is the acetic acid compound.

Acids and alkalis are fine.

Aluminum alloy is the most widely used non-ferrous metal structural material in industry, and has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industries. With the rapid development of the industrial economy, the demand for aluminum alloy welded structural parts is increasing, which makes the research on the weldability of aluminum alloy also deepen. At present, aluminum alloy is the most widely used alloy.

It is estimated that only mercury is dissolved alone, and the reaction should be aqua regia.

Potassium, calcium, sodium, magnesium, aluminum, zinc, iron, normal soluble sulfate hydrochloric acid.

Cyclopropylchlorprogesterone is a chemical substance. Detailed parameter Chinese name Cyclopropylchlorobestrel alias 6-chloro-1,2-methylene-4,6-pregnendien-17-hydroxy-3,20-dione-17-acetate.

Etoac, ET ethanol, AC acetic acid, so this is the ester that high school chemistry focuses on: ethyl acetate.