1822.] Metallic Ovides before the Blowpipe. 273 
RS Te FS a OS 
HEATED WITH FLUXEs. 
Assay. 
; Sopa. 
Alkalies.....-+-+++++: 
Baryta ..c-seeeeeese-s ee 
Fl yd rate ives i+ +--+» sorbed by the charcoal 
| Carbonate....... aid 
No action on caustic 
eMNITIRNEta -le'c'c co oa ces ol f 
strontita 
Hydrate... .e.vee-+-- 
Carbonate .. = parts, fuses into a 
| clear glass,becomes milky 
on cooling: in strong 
heat, bubbles, and ab- 
sorbed by the charcoal 
GOES «5 dei cath paises stave No sensible quantity 
dissolved 
Magnesia, .......... .-| No action 
Swells up; forms an 
infusible compound 
No action 
Alumina....... A ACh 
UCNERY. oc) cide stale se 
Like glucina 
Similar to glucina 
Yttria 
ro 
Fuses with brisk effer- 
vescence ; clear glass 
2 Ase P. W. _ effervesces, 
. clear glass; becomes 
milky on cooling. 
C. fuses, absorbed and 
reduced 
EE’ a'erarais aivid oieici0 
. 
Carbonate: .....2.0. 
Molybdic acid , 
Tungstic acid ......... 
\lowish 
C. and R. F. reduced 
P. W.and O.F. dark- 
opaque 
Oxide of chrome. ...... 
jerange glass ; 
and yellow on cooling. 
green on cooling 
reduced 
Antimony......... ints = 
Ovide of antimony. . 
white on cooling 
C. is reduced 
New Series, vou. tv. 
P. W. dark-yellow 
igiass, crystallizes on cool- 
jing ; Opaque white or yel- 
P. W. fuses ; clear co- ' V 
lourless glass becomes|quantity; glass, yellow-|yellowish, hot; 
Borax. [Saur orPHosrHoRts, 
SEE 
Fuse readily with 
effervescence into a 
clear glass, which be- 
comes opaque by Fl 
As with borax, but. 
foam and intumesce 5 
end in a clear glass 
Like baryta tto 
Clear glass; opaque 
Fl tity ; clear glass 
Fuses with efferves-| Fuses with 
cence; with more car- cence 
bonate clear glass; crys- 
tallizes on cooling 
Like lime 
Fuses in large quan 
by 
efferves- 
Fuses readily; clear 
iglass; saturated with 
magnesia, opaque on 
cooling 
Permanently 
glass 
As with borax 
Fuses slowly ; perma- 
nently clear glass 
Clear glass, with a 
large proportion of the 
assay ; opaque by Fl 
Like glucina 
Like glucina 
clear 
Like glucina 
Like glucina, but dis- 
solves more difficultly 
Very small portion 
dissolves ; clear glass 
P. W. and in O. F. 
greenish glass while hot ; 
colourless, cold 
In R. F._ becomes 
opaque; dull blue while 
hot ; clear and fine green 
on cooling 
C. same phenomena: 
O. F. yellowish glass 
R. F. fine blue glass 
Fuses very slowly; 
permanently clear glass 
P. W. clear glass in 
O. F. 
C, and in R. F. glass 
becomes _ dirty-brown, 
but not opaque 
P.W. and O. F, clear 
glass ;_ not opaque by Fl 
R. F. glass becomes 
C. fuses difficultly,| Green glass in both 
glass emerald-green ; on|flames 
P. W. and O. F. the 
R. F. opaque ; glass|colour flies, and glass be- 
comes brown-yellow ; on 
C. absorbed, but not/cooling, assumes a faint- 
green tinge 
P.W. and O.F, glass, 
colour 
C. dissolves in large 
ish, hot; almost colour-/flies on cooling 
less, cold. If saturated, 
part reduced and sub- 
limed; strong R. F., the 
glass becomesopaque and 
greyish 
T 
