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den nederste Glaskugle slutter godt, vil den gjennem a
passerende Luft spaltes i en Mængde meget fine Blærer,
som ved at stige op mellem de af Barytvand omgivne
Glaskugler bliver fuldstændig kulsyrefri. Det uformige Ror G
indeholder Barytvand, H fører til Aspiratoren.
may be immersed in baryta water. Now, assuming the
large glass ball to fit well, the air wiil pass a in the form
of minute bubbles, which, having to ascend between the*
glass balls surrounded by baryta water, must part with the
whole of its carbonic acid. The tube G contains baryta
water; H leads to the aspirator.
Den af Classen foreslaaede Kjøler virker saa
udmærket, at man i meget lang Tid kan koge fortyndet Saltsyre
i Kolben, uden at det.mindste Spor af Chlor kan paavises
i Forlaget, forudsat at den gjennemledede Luftstrøm ikke
gives for stor Hastighed, hvad der imidlertid heller ikke er
fornødent.
The cooler devised by Classen is so excellent, that
diluted hydrochloric acid may be boiled in the matrass for
a very considerable length of time without a trace of acid
being detected in the receiver, provided that too great
rapidity be not given to the current of air; this, however,
is quite unnecessary.
Fig. 3.
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