低てい濃のう度ど

noun, noun which may take the genitive case particle 'no'

low concentration

Used in scientific, medical, and technical contexts to describe a substance present in a small amount relative to the total volume or mixture. Can also be used attributively with の.

• 低てい濃のう度どの塩しお水みずでうがいをする。

  Gargle with a low-concentration salt solution.

• この地ち域いきの地ち下か水すいは低てい濃のう度どのヒ素そを含ふくんでいる。

  The groundwater in this area contains low concentrations of arsenic.