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.
Since I =KH, we have KH I-KNI =KHo, (30) or H =Ho-NI, NI being the demagnetizing force H i.
It may seem at first that so many as 44 consonants can scarcely be necessary, but the explanation is that several of them express each a slightly different intonation of what is practically the same consonant, the sound of" kh,"for instance, being represented by six different letters and the sound of" t "by eight.
o h; in Coptic ~iy (sh) orJ~ (kh) correspond to it.