Savannah morning news. [volume] (Savannah) 1868-1887, 1885-10-05
BITS OF SCIENCE.

Alizarine oils are found by p Loukrau-
of to consist chiefly Of basic salts of
common fatty, and In less amount sulpho-
fatty, acids.
NJ. Outer has proved experimentally
that the magnetism of fat steel magnets
whose surfaces are thelr poles does not
disappear when they are removed from
the magnetic field.
PeTscite,a saccharine substance so close
" analogous to mannite that until recent
ly it has been confourded with it, occurs,
say NJ. NJ. A. Munta and Marcano, in the
fruit of Taurus persea.
Prof. f. II. StOrer maintains that the
action Of she'll and rock boring mOlluses
is not drilling or any other mechanical
operation. but distinctly chemical pro-
cess, the solvent being probably free mu-
ratio acid.
Canarine, a new tinctorial substance
discovered by Miller and Markovnikoff, is
not soluble in water, ether, spirit, or ben
zine, but only in bases according to the
strength Of which IT gives different cOlOrs
from pale yellow TO red.
Discussing the occurrence of alkalies in
beryl d. Samuel L. Penfeld maintains,
that the results OF humorous investiga-
tons show that alkalies are always pres
ent, undoubtedly replacing the beryllium,
and that water Is also present and cannot
be disintegrated il the formula.
In the preparation Of farm-yard man
ure NJ. j. +. Duherain states that straw is
oxidized in contact with the air only I'M
der the influence of q ''fgured" ierment.
There may be distinguished in dung a
neutral fermentation producing carb0nic
acid and f0rmene, and an acid fermenta-
ton in which are produced butyrlc, acid,
hydrogen and formene.
A new electric battery has been made
by Tomassi and RadIguet. Both OF the
electrodes consist OF plates Of coke, the
one surrounded by a paste OF lead perOx-
ide, and the other covered on it's horizon
tai upper surface with fragments Of plat
inized coke. The two are separated by
means Of parchment paper. The exciting
fluid Is a saturated solution of sodium
chloride.
G. schmitt and A. Cobienzi have made
n careful investigation Of the unfermenta-
BILE substances found I'm commercial
starch-sugars, and have succeeded IN
isolatlng definite compound. to which
they give the name OF "gallisin." Ply
sioiogical experiments on the lower ant
malls and on human beings demonstrated
clearly that gallisin he's, neither directly
nor indirectly, any bad effect on health.
When purified wood charcoal is thor
OuRhly hutufateu VIVID gaseous chloride,
and then treated with hydrogen yes. nv
drochloric acid is formed with a fail Of
temperature. Berthelot and Guntz ex-
plain this anomaly by the consideration
tnat the absorption Of heat results not
from the chemical action, properly speak
Ing. but from the simultaneous evapOra-
ton OF the chlorine condensed upon tho
charcoal.
TO prevent the cracking OF tho glass
tubes that are connected with steam boil
ers 20 show toe height Of the water
within II a. recommended that two glass
tubes be used, one within the other, The
air that Is confined between the two
serves AS protection 10 the inner tube
against outside cold and the outer one
against the high temperature Of the inner
one. Both tubes are packed IN the same
brass couplings. But this device is hard
~ new.