ABOUT DPPH ASSAY

Composed English consists of the digraphs: ch ci ck gh ng ph qu rh sc sh th ti wh wr zh. They are not considered individual letters on the alphabet.English is currently the only Germanic language to productively use "hard" ⟨c⟩ (exterior the digraph ⟨ck⟩) as an alternative to ⟨k⟩ (Though Dutch makes use of it in loan words and phrases of