- 
T. S. Hunt on Chemical Classification. «178 
a 
same state of condensation As solid phosphorus, its specific gravity 
would be 790, water being 1000. 
M. Laurent ina late valuable memoir,* has made some very im- 
; . portant suggestions as to chemical oe age which if prope ‘ 
‘ carried out, will enable us ere long to reduce the immense num- 
ber of combinations to a few Seobie and well defined ty 
Water (H, O) he not only regards as the primitive type of all the 
oxyds (M, O) and (M®, O), of the nardhen a. ompounds 
like (KZn)O, and oe “corresponding sulphur — 
M, 8, (MH)S, but going still farther, reduces the : 
same form. Spirit of wine, which is a monobasic saline} com- 
pound capable of changing an equivalent of hydrogen for one of 
metal, e.g. C,(H, K)O, is made the type of the vinic acids, in 
tami of Mareen are replaced by t the same elements. ./ . 
G; H, O-HO= = Et, we hav. agt 
‘Water, OT ae" gt Me 
Alcohol, : 6k % .* (HBO = C4 Bg ¥- 
Ether O. : 
Ita appears to me that this view is i ees of still farther ex- 
tension and that we may include in the same type all those sa- 
~ combinations (acids). whigh | eeatals oxygen. For example, 
ving the formula C] OMO= 
Cl MO,, or in the French notation "el M) O, the acid being then 
6, a monobasic acid which comesponds to water in which 
Cl replaces H. . The so ted anhydrous hypochlorous acid of 
tion of dry chlorine upon oxyd of 
manned is t - : a e6P iplete Pi BME a In the same. 
nerynitric ac $4 monobasic salt corresponding to 
ites, in which ? NO. is jeatotitnted for H ; the capacity of the ele- 
ments NO, to r eplace H is abundantly exemplified in the mod- 
ern history of organic compounds. We have then, 
ACI 
oeehe sur les combinaisons azotés, Ann. de Ch. et de Phys. for No- 
vember, 184 
t As the a nd saline ge: several times used in this article, in an a 
sapiaiee a different from the ordinary one, it maybe well to pene 
that with M. Gerhardt I designate as a salt any compound which contains hydro- 
metallic derivatives of that compound; saline 
ed from the science, and that it were restricted 
2 qualities, for hydrate of potash, water, sugar and alcohol are as 
snits eo Pap op oe * hospberic.s siedainiiie many com- 
ote dine 
