Glossary Terms

May 3, 2017

sodium hydroxide (NaOH)

A strong alkaline compound used as a regenerant for anion exchange resin in deionization systems and for the pH modification of low pH (acid) water. Sodium […]
May 3, 2017

sodium hydrosulfite (Na2S2O4)

A crystalline salt which is a strong reducing agent and the main ingredient in several resin cleansers that are used to clean iron-fouled ion exchange resin […]
May 3, 2017

sodium cycle

The cation exchange process in which sodium on the ion exchange resin is exchanged for hardness and other ions in water. Sodium chloride is the common […]
May 3, 2017

sodium chloride (NaCl)

The chemical name for common salt, widely used in the regeneration of ion exchange water softeners.
May 3, 2017

sodium (Na+)

A metallic element found abundantly in compounds in nature, but never existing alone. Sodium compounds are highly soluble and do not form curds when used with […]
May 3, 2017

soda ash (Na2CO3)

the common name for sodium carbonate, a chemical compound used to neutralize acid water, and as an alkalinity builder in some soap and detergent formulations, and […]
May 3, 2017

soap curd

The insoluble precipitate that forms when soap is used in hard water.
May 3, 2017

soap

One of a class of chemical compounds which possesses cleansing properties; formed by the reaction of a fatty acid with a base or alkali. Sodium and […]
May 3, 2017

slug

An temporary abnormally high concentration of an undesirable substance which passes through a water system, usually brief or intermittent in nature, and often related to an […]