Citric Acid is a tricarboxylic acid found in citrus fruits. Citric acid is used as an excipient in pharmaceutical preparations due to its antioxidant properties. It maintains stability of active ingredients and is used as a preservative. It is also used as an acidulant to control pH and acts as an anticoagulant by chelating calcium in blood.

Magnesium chloride is a chemical compound represented by the formula MgCl₂, indicating its chemical structure composed of magnesium (Mg) and two chloride ions (Cl). It is widely used in various fields, including medicine, agriculture, and water treatment.

Chloramine is a chemical compound composed of nitrogen and chlorine. There are several types of chloramines, but the most common is monochloramine, which has the chemical formula NH₂Cl. Chloramine is often used as a disinfectant in water treatment, especially in drinking water distribution systems.

Sodium Bicarbonate is odorless and salty, easily soluble in water, insoluble in alcohol, with a slight alkalinity. It decomposes when heated and in humid air.

Polyphosphates are chemical compounds belonging to the polyphosphate family. They are used in various industrial applications, including the food industry.

In diluted solution, potassium permanganate is used for water treatment. It also serves as a disinfectant at a concentration of 0.5 grams per liter, commonly employed for washing vegetables in tropical countries.

Sulfuric acid, formerly known as oil of vitriol or fuming sulfuric acid, is a mineral acid whose strength is surpassed by only a few superacids. It is miscible with water in all proportions.

Hydrogen peroxide is a chemical compound composed of two hydrogen atoms and two oxygen atoms. Its chemical formula is H₂O₂.

Bromine is a chemical element of the halogen family, symbol Br and atomic number 35. Other halogens are fluorine, chlorine, iodine and astatine. Its name derives from the Greek word "bromos" (stench) due to its pungent odor.

Sodium silicate, also known as water glass or liquid glass, is a solution of silicon dioxide (SiO₂) and sodium oxide (Na₂O) dissolved in water. 

The term "active chlorine powder" is generally used to designate chlorine powder ( ), which is a solid form of chlorine gas. Powdered active chlorine is used as a disinfectant in a variety of industrial and commercial applications, including drinking water, swimming pool and wastewater treatment.