化か学がく種しゅ同どう定てい

noun

chemical speciation

Technical term in chemistry for identifying and quantifying different chemical forms of an element in a sample.

• この研けん究きゅうでは、土ど壌じょう中ちゅうの重じゅう金きん属ぞくの化か学がく種しゅ同どう定ていを行おこなった。

  In this study, chemical speciation of heavy metals in the soil was performed.