Evening journal. [volume] (Wilmington, Del.) 1888-1932, 1901-08-29

while they stand and cover with
| as was formerly done.
The native women then beatE
bark off the tree. which has bee
into short lengths, and the woS
: dried and used to heat the oves
which the bark is dried. The d
however, is largely done in the
{ before 1t is put into the ovens.
the bark has been thoroughly drH
is rough ground, and then III
Tightly in bags of 100 kilos each.
bags are then sent to AmsterdaE
the Bandoeng quinine factories
people know that the manufactuiS
lqmnine has always been treated
very profound secret, and there
a quinine mandatory in the
outside of Java where a stranger i,
be permitted to learn ANYTHING a
Il process Of manufacture. After the
! reaches the factory every partiI
assayed as to the amount of the
GUS alkalOids it contains. and thI
ltives mix the different lots SO tn
average strength of alkaloid is n
scented in each days work. Tod
bark are ground up every day and
ed by improved machinery.
which it is moistened with an Il
and pumped into immense digt|
containing hot crude petroleum. Il
are agitators inside the digesters Il
I mix the bark well with the OIL
thus the oil dissolves the alkaloid
the bark. The bark is then allowI
settle out. and the oil is washed
sulphuric acid water, which in
takes the alkaloids from the oil: II
lis returned to the storage tanks |
used over again, and the crude quI
crystallizes from the hot acid VI
when it is cooled.
] When a boiling solution Of
water is saturated with alkaloids il
hold many times more than i'll
when it is cool, and in this way nj
all Of the euinine is thrown out |
Iout aeutralizing the acid. The md
liquor which is left is then neutral
and the remaining crude quinineI
ten out and added to the first cryI
when they are purified by washinaI
rewaShing. and dissolved with disI
water until the pure, white sulphs|
finally drawn off in solution andI
away in porcelain lined pans toI
land crystalline.
After the crystals have formed
these pans and the solution is
oughly cooled, their contents
dumped into centrifugal extrad
which throw the water out and
THE quinine crystals nearly dry.
last crystallizing solution or disl
water, with a trace Of quinine dissI
in it. is returned to the main bull
through underground pipes. acid
added to it, and it becomes theI
washing solution, as above descrI
THE quinine is then taken out oI
centrifugal machines and spread
trays to dry. Nearly every dru|
knows that quinine sulphate SD
contain between IA and 16 per cerI
water of capitalization; one of
most delicate operations in the nd
facture of quinine is to produce
article without too much or too
moisture in the finished product.
The quinine. after being weighed
the cans. is sent to the stockli
where it is put in cases, which
manufactured by natives right on
ground. After the goods are all pI
in the cases there is a sample extr.
from each lot that is represented il
finished product, and the Directc
the Dutch Government cinchona
tation, who has spent twenty-five
in the service. and who is a disinte
ed party. comes to the laboratory
applies tests to every sample. v
Shows that in every instance the
) nine is above the standard laid
, in the pharmacopoeia.
The quinine then goes to Bat
the principal business city and DO
the island of Java. where it is so
public auction once a month. The
tory has no interest in the sale.
does no commercial business e,
with the planter himself, who pay
! factory a stated sum (Which amt
to 81 for every thirty-five ounces
manufacturing costs, for it will b
membered that the planter owns
= bark and sends it to the factory 81
. to have the quinine taken from
r. which is lone on a guaranty tia
= shall receive the quinine that the
a assays, and he is at liberty to
D assays made on his own account
t fore he sends the bark to the fac
e The Quinine which comes from
e bark belongs to the planter until
{ sold at public auction. He simply
e the factory the cost Of manufaC
v and the factory agrees not to
e into the manufacture of quinn
r its own account.
The quinine is bid for by va
T brokers. who act for anyone that "
/, to employ them; they charge S
v commission for their work, but d.
S speculate in any sense of the woI