Sulphides and polysulphides; whether or not chemically defined, other than sulphides of sodium

HS code 283090 covers a diverse range of sulphur-containing compounds, excluding sodium sulphides. These compounds play a crucial role in various industries, from chemical manufacturing to mining and agriculture. Their unique properties and applications make them an essential part of the global economy, contributing to the production of a wide array of products that we use in our daily lives.

The production of sulphides and polysulphides covered under HS code 283090 typically involves chemical synthesis processes. This may include the reaction of elemental sulphur with other elements or compounds, as well as the treatment of metal ores and minerals to extract and purify the desired sulphur-containing compounds. The specific production techniques can vary depending on the target compound and the desired purity level.

The main inputs required for the production of sulphides and polysulphides under HS code 283090 include elemental sulphur, various metal ores and minerals, and a range of chemical reagents and catalysts. Specialized equipment, such as reactors, distillation columns, and purification systems, are also essential for the manufacturing process. Additionally, energy sources, such as electricity or steam, are needed to power the production facilities.

The sulphides and polysulphides covered under HS code 283090 have a wide range of applications, including the production of 283010 Sulphides; polysulphides, whether or not chemically defined, 283020 Sulphites; thiosulphates, and 283030 (Sulphates; alums; peroxosulphates (persulphates)). These compounds are used in various industries, such as chemical manufacturing, mining, agriculture, and pharmaceuticals.