X1 in KH forms a couple about Oz, of moment F10.44.
Mitscherlich, in the case of the acid phosphate and acid arsenate of potassium, KH 2 P(As)04, who adopted the term isomorphism, and regarded phosphorus and arsenic as isomorphously related elements.
Ch is always to be sounded as in church, g is always hard; y always represents a consonant; whilst kh and gh stand for gutturals.