New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1904-02-07
RADIUM IN COLORADO.
III Erists in About T5ccnty-trc
Square Miles Of Territory.

Denver. FEB. cspeciaD.-That radlum is oe-
ros,ted IN Colorado IN such quantities as 10 foaNe
/. 81 use commercially seems 20 10 posluNeIs
1000 nv she expe-ireuts made by Dr. ". ID
rnrje professor OF chemistry al the university oi
-enve- and Justine Haynes. a Denver chemist
me raoiurn differs from that discovered pN tIe
curies IN the fact that q Is discovered IN oafioe
ore while that discovered by the turles j y"
fained from u!tchblende. % which there are lho'-
-s,,,,,. a, large deposits near GlenwOod Springs
The e,rneriuenfs MADE BY Dr. Ergle ana nj
HAYNES have. advanced so far that photographs
were taken wsth the radium. the articles plo'o-
graphed being a key, clock vince %
co,n and a pair Of scissors They were placed on
,ensirizes plate which was put under plate box
,ben q glass tube in which were Few crystals
containing radium wac suspended ABOUT me-
inches above the plate box The exposure was Aoi
sortv-eight hours. each test being made IN oarA
room. -
Lead glass is as opaque as glass can De
--he rsvs emitted from the radium had 70 pene-
trate the glass and pass through TWO thlohhesses
% heavy pasteboard. in addition 10 the covering
of the plate box BEFORE coming iii N'''N00' ~
the selsitlzed plate.
Mr. HAYNES secured the ore from which the
radium was extracted in Paradox Valley. Montrose
County. Col where IL is known 10 exist in about
twenty-five square miles OF territory. ABOUT Que
hundred tons Of ths ore have been located II was
discovered about four years ago and the name
Il bears was given . IL in honor OF PRESIDENT Gar
not OF France. Abo-t ten pounds OF the carnoute
was brought Denver by Mr.. Haynes ana 1-1oo
OF a grain Of radium was secured from il. with
which the experiments were made No attempt
was made 70 reduce the crystals 10 pure radium
The CRYSTALS were reduced so that 100 OF grain
OF ra6ium was contained in one-cuarter OF a grain
Of barium chloride. and with this the photograph
was taken.
The ore was first dissolved by means or hydro
ehlorac acid then through the OF sulphurc
scid a precipitate compound OF barium chloride and
Yndiun was secured The precipitate was fused
with sodium ca-bonte. this process yielding cIgs-
tails containing radium- The quantity OF rao.Im
snd bRrium chloride which Dr. Engle ana 4Ar
HAYNES secured from the ten pounds OF carnotlte
No attempt was made 70 put cornmeTclal Naiue
upon Il -, -, 49, a..
Tests are being made to prove that the Coioraoo
rafium contains al the qualities claimed Tor t1at
discovered by the CURES The Colorado racluin Is
rhosphorescent in a dark room. and imparS u
similar quality 10 diamonds. Mr.. Haynes carries
the vial containing the radium IN his Walstcoat
pocket without serious Inconvenience II is sara
OF the Curie radium that persons are seriously
burned By Il II II is kept near the flesh tor an hodr
more
= About one hundred pounds Of the carnotte has
heen brought 10 Denver for further experiment.
Because the ore yields uranium. which IN tafn
likely 20 become important IN This state
DR.. G. n. Slower. OF Denver, has a bottle OF me
Cure radu1n which contains less than that secured
bv Dr. Fngle and Mr.. Haynes. and the Slower "a
dium IS said 20 be worth 500 That the Enele ard
HAYNES radium is not weak is shown by The clear
ness OF the photograph and the fact that the pate
was exposed comparatively short time IL is or'en