Alkalipohjaiset

Alkalipohjaiset, which translates to "alkali-based" in English, refers to chemical compounds or processes that involve alkaline substances. Alkalis are a subset of bases that are soluble in water. Common examples of alkaline substances include sodium hydroxide (NaOH) and potassium hydroxide (KOH). These compounds are characterized by their high pH values, typically above 7.

In chemistry, alkali-based reactions often involve neutralization where an alkali reacts with an acid to form salt and water. This property makes alkalis useful in various industrial applications, such as soap making, where they react with fats to produce soap and glycerol. They are also employed in cleaning products due to their ability to break down grease and oils.

The term alkalipohjaiset can also describe materials or treatments that utilize alkaline solutions. For instance, in the textile industry, alkaline solutions might be used for scouring or mercerizing cotton. In some water treatment processes, alkalinity is important for buffering pH changes and for precipitating certain dissolved metals.

However, alkalis are generally corrosive and can be hazardous if not handled properly. Their strong reactivity necessitates careful use and appropriate safety measures in both laboratory and industrial settings. The term emphasizes the fundamental role of alkaline chemistry in the described substance or process.