Iron oxides and hydroxides

HS v2022 Code: 282110

About iron oxides and hydroxides

HS code 282110 covers a group of important inorganic compounds known as iron oxides and hydroxides. These materials play a crucial role in various industries, including pigments, catalysts, and water treatment. As essential raw materials, iron oxides and hydroxides contribute significantly to the global economy, finding applications in diverse sectors such as construction, manufacturing, and environmental remediation.

Production process

The production of iron oxides and hydroxides typically involves the oxidation of iron or the precipitation of iron salts. Common methods include the thermal decomposition of iron salts, the hydrolysis of iron salts, and the direct oxidation of iron metal. These processes yield a range of iron oxide and hydroxide products, each with distinct physical and chemical properties that cater to specific industrial needs.

Production inputs

The primary inputs for the production of iron oxides and hydroxides include iron ore, iron salts (such as ferrous sulfate or ferric chloride), and various chemical reagents. Depending on the desired product, additional inputs may include reducing agents, oxidizing agents, and other additives. The manufacturing process also requires specialized equipment, such as reactors, filtration systems, and drying units, to ensure efficient and consistent production.

Production outputs

The main outputs of HS code 282110 are a diverse range of iron oxide and hydroxide products, including 282120 Ferric oxide, 282130 Ferric hydroxide, and 282110 Iron oxides and hydroxides. These materials find applications in numerous industries, such as 321210 Paints and varnishes, 284410 Nuclear fuel, and 281512 Caustic soda. The versatility of iron oxides and hydroxides ensures a steady demand across various sectors, contributing to their importance in the global trade landscape.

Revisions to 282110

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 282110. The most recent 1 version of this code (282110) is in the HS v2022 system (this version):

This page shows the most recent version of code 282110.

Older versions

Family tree for iron oxides and hydroxides

    graph LR
    A["<a href='/classifications/hs/v2022/28'>28: Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes</a>"]
A --> B["<a href='/classifications/hs/v2022/2821'>2821: Iron oxides and hydroxides; earth colours containing 70% or more by weight of combined iron evaluated as Fe2o3</a>"]
B --> C["<a href='/classifications/hs/v2022/282110'>282110: Iron oxides and hydroxides</a>"]

    B --> D["<a href='/classifications/hs/v2022/282120'>282120: Earth colours; containing 70% or more by weight of combined iron evaluated as Fe2o3</a>"]

    

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