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by Jöns Jacob Berzelius
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Title: Nova analysis aquarum Medeviensium
Author: Jöns Jacob Berzelius
Release Date: November 16, 2003 [EBook #10054]
Language: Latin
Character set encoding: ISO Latin-1
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Regio Collegio Medico
Sacrum.
NOVA ANALYSIS
AQUARUM MEDEVIENSIUM
Quam
Venia ampliss. ord. philos.
p. p.
Præses
Mag. A. G. EKEBERG
chem. Adjunctus
Reg. Acad. Scient. Stockh. Membr.
ET
AUCTOR
JACOBUS BERZELIUS
Ostrog. Stip. Strandb.
In audit Gust. Maj. D. VI Decemb. MDCCC.
Upsaliæ
Litteris Joh. Fr. Edman, Reg. Acad. Typogr.
Table of Contents
Nova analysis aquarum Medeviensium
Vetus sive insimus fons
Fons Medius
Fons supremus
Limes Medeviensis
Fons Lokaënsis
Limus Lokaënsis
NOVA ANALYSIS AQUARUM MEDEVIENSIUM
Aquæ Medevienses a Cel. BERGMAN primum justa & consummata analysi
chemica exploratæ sunt. In actis Reg. Acad. Scient. Holm. An. 1783. P.
4, p. 218, hanc suam disquisitionem exposuit. Sed Cel. Medicus S. R.
M. Primarius etc. D. Doct. S. HEDIN, hujus institutionis præfenti
tempore curator (Brunns Intendent,) cum variare interdum naturam
fontium & elementorum rationem, assiduis nobilissimorum chemicorum
investigationibus confirmatum esse, & in recentissimis præterea chemiæ
profectibus majora ad disquisitiones hujus generis subtilius
instituendas subsidia esse posita reputaverit, æstate superiori novam
analysin suscipiendam esse censuit; eamque mihi, ad Medevi vices
Chirurgi, ejus auspicio, tunc gerenti, mandavit. Quam cura
diligentiaque quanta maxima potuerim peractam, propter magnam ab
experientia summi viri discrepantiam, eorum. qui his rebus student,
judicio esse submittendam existimavi. Et cum etjam celebratum Loka
fontem limumque, antea rite consummateque non examinatum, eadem hac
præterita æstate, ab ejus curatore D:o Doct. etc. ASCHAN sollicitatus,
adcurate sim perscrutatus, brevem ejus descriptionem, reservata in
aliam occasionem copiosiori experimentorum expositione, adjungere, ob
materiæ similitudinem, institui.
Ex tribus fontibus, quibus jam uti licet, unus tantum, & is infimus,
ante nostram ætatem scaturivit. Olim quidem tres etjam numero fuerunt
fontes; duo autem reliqui, quos Cel. BERGMAN Rödbrunn & Dahlbrunn
appellat, jam ita cessaverunt, ut ne locum quidem ubi siti fuerint,
reperire potuerim. At curante Cel. HEDIN alii duo nuper aperti sunt &
ædiculis belle superstructis hoc anno consummatis, tecti; ut
pauperibus usui essent, quibus antea circa horam tertiam matutinam
surgendi, necessitas erat, ne ex unica scaturigine petita aqua
opulentioribus ad horam sextam fontem adeuntibus deesset.
Vetus sive infimus fons.
Situs ejus est aliquanto depressior, ita tamen ut defluxus sit
facilis. Intra ædificium alto muro circumdatur, qui ad æquabile frigus
conservandum plurimum confert. Profundus est V pedes. Cantharos
circiter LX per horam effundit, cli temporisque varietate parum
affectus. Temperatura in superficie + 6,º5; ad fundum 6,º intra menses
æstivos non mutata. Sapor asper, multis nauseosus. Odor concussione
exprimitur hepaticus. In aperto vase sensim oxidum ferri demittit, &
odorem saporemque asperum perdit. Tincturam Heliotropii rubefacit, at
non post coctionem ferrive demissionem. Calce soluta turbatur, sed non
post coctionem. Acidum carbonicum in aqua ita prodi docent, si primo
calcis solutionem turbaverit, uberius autem adfusa solverit quæ
præcipitata erant; quod vero hic non incidit, cum ferrum etjam
præcipitetur, ex quo præcipitarum flavescit; in aqua autem nihil vel
parum adsir liberi acidi carbonici. Cum acido sulphurico forti nulla
effervescentia. Solutiones Fernambuci aut Curcumæ non mutatæ. Cum ac.
gallaceo color violaceus; prussiate kali cæruleus purissimus; ex quo
post quietem XXIV horarum prussias ferri depositus; utrumque in aqua
cocta inefficax. Acidum oxalicum paullulum permutavit, sed non in
cruda solum, verum etjam in cocta; quod sulphatem calcis prodit.
Carbonas kali nihil. Natrum purum post horas XXIV luteolum
præcipitatum effecit. Similiter ammoniacum. Aliquantulum ac. azotici
in aquæ portionem instillabatur, quæ dein azotate barytæ
præcipitabatur: pauxillum illud, quod post h. XXIV demissum erat, inde
separabatur, quo facto aqua azotate argenti præcipitabatur; hoc
præcipitatum suisse muriatem argenti exinde colligimus, quod luci
expositum nigrescebat; quod in carbonatibus argenti non accidit.
Azotas hydrargyri frigide præparatus album dedit & subtile
præcipitatum, ad labra vitri adhærens, & vix sensibile antequam aqua
effusa, vitrum aruisser. Azotas hydr. calide præparatus & azotas
plumbi præcipitata fecerunt e luteo candicantia. Ad detegendum in aqua
hydrogenium sulphuratum multa sunt a chemicis proposita, at pleraque
non nisi in aquis saturatoribus efficacia. Ejusmodi sunt: argentum
metallicum; sed in fonte suspensus nummus argenteus bene politus post
IIX dies æque splendebat; oxidum arsenici album; id vero in hac aqua
æquali tempore nihil passum est; acidum azoticum conc. quod,
hydrogenium oxidando sulphur præcipitare docent; illud autem heic
nihil tale effecit. Nihilominus olfactus hydrogenii sulphurati in hac
aqua index certissimus est. Azotas plumbi in forma sicca ad hydr.
sulph. valde sensibilis est; at solurus, propter suam ad aquam
attractionem, sulphure difficilius decomponitur. Scribebam autem hac
solutione in charta, quæ vasi, in quo aqua fontana evaporaretur,
superimponebatur: vas sensim calefactum est, ut gas hydr. sulph.
quantum fieri posset siccum eliceretur: qua re etjam factum est, ut
litteræ seriptæ, pro varia gasis siccitate, quibusdam in locis
metallice splenderent & nigrescerent; aliis magis minusve perspicuæ,
aliis non observabiles essent.
Post hæc experimenta præcursoria, nostra in eo verfat, est opera, ut
quæ in hac aqua soluta sint gasia fecernerentur. Quantum aquæ
Cantharus unus capere potest [1] in vas retortum vitreum instillabatur
ejus magnitudinis, ut tertia pars vacua maneret: orificium subere
obturabatur, per quod aptatus erat tubus vitreus; cui vesica arcte
adligabatur. Tubus ad apparatum pneumaticium ducebat. Aqua, qua hunc
appatatum impleveram, quartam horæ partem cocta erat, & jam intra
temperaturam + 85º & 100º, igne subtus facto, servabatur. Supra enim
in recipulo pneumatico olei stratum fluitabat, ne, experimento
peracto, gas ab aqua refrigerata imbiberetur. Quamquam aqua, ut
diximus, antea diu servisset, bullæ tamen aëris jam exinde per oleum
adscendentes animadvertebantur, ex cucurbita non venientes. Gas, quod
in apparatu pneumatico, postquam aqua in cucurbita horæ tres quartas
partes servisset, receptum erat, minoris aliquanto voluminis fuit eo,
quod supra aquam in cucurbita fuerat, utroque in eadem temperatura
menso; ex quo sequitur, vapores aquosos non omnem ex superiori
cucurbitæ parte aërem expulisse; quapropter hac methodo nihil certi de
quantitate naturave gasium in aqua fontana solutorum eruere
licet. Alia igitur utendum erat. Nec apparatum a Cel. BERGMAN (Om
Bitter-, Selzer-, Spa- och Pyrmontervattens halt och tillredning, §
8. Fig. 1.) comparare poteram. Hanc igitur, scopo, ut videtur, optime
inservientem experiundi rationem inveni. Orificium lagenæ vitreæ,
adcurate ejus capacitatem emensus, subere optimo obturabam, per quod
tubus vitreus, ut in experimentis pneumaticis solet, curvatus
ingerebatur ita, ut altera ejus extremitas ultra suber in lagena non
exstaret. Et lagena & huic ita adjunctus tubus aqua examinanda
implebantur, ne minima quidem aëris atmosphærici bulla observabili
relicta. Lagena ad commissuram luto vesicaque rite munita, in balneo
arenæ ponebatur. Apparatu pneumatico eodem as supra utebar; sed jam
aqua plus horam ante initium experimenti fervisser. (Vas, in quo
fervebat, ejus capacitatis erat, ut quod exhalaret cruda aqua
compensare opus non esset). In ipso recipulo apparatus aqua, ut ante,
oleo operiebatur. Huic methodo aliquis objicere forsitan posset,
aquam fontanam in lagena calore valde dilatari ante quam gasia exinde
abeant; ita partem expelli & amitti. Sed ubi hæc pars aquæ venerit in
aquam bullientem apparatus pneumatici sub recipulum, gasia, quibus
prægnans est, mox hujus calore in formam nativam restituta, effugere
nequeunt. Postquam horæ dimidium aqua in lagena fervisset,
summovebatur sensim ignis ad cautam refrigerationem. In temperatura
+17º volumen gasium dimensum fuit 6,5 pollicum cubicorum decimalium
pro quoque cantharo. Cel. BERGMAN 14 p. cub. ex. Cantharo
accepit. Hæc discrepantia experimentum pluries iterare jussit; idem
autem semper fuit eventus, si aberrationem 1/2 vel 3/4
p. c. exceperis, tribuendam temperaturæ , quam omnino æqualem obtinere
non poteram. Iuncturam autem nec rimis latentibus fefellisse, tum
illius post singula experimenta sollicita exploratio demonstravit, cum
regressus aquæ ex apparatu pneumatico in lagenam frigescentem.
[1] Hoc loco & in sequentibas mensura coronata & accurate explorata
utebar.
Ad vulgare præscriptum solutio calcis in gase his experimentis
collecto collocabatur. Post XXXVI horas ex 6,5 p. c. dimidius tantum
restabat, quam aëra esse atmosphæricum gas azoticum oxigenatum
indicavit. Quorsum igitur gas hydrogenium sulphuratum, quod aquæ
inesse certo sciebam? Id quo intëlligerem, lagenam, hoc gase,
præparato ex sulphureto ferri ac acido sulphurico diluto, impletam
supra calcem aqua solutam collocavi. Post XIV horas X p. c. absorpti
erant; supererat unus cum dimidio p. c., post XXIV horas nihil
diminutus; quem esse atmosphæricum, gase azotico oxigenato
exploravi. Gas hydr. sulph. & gas acidi carbonici ad æqualia volumina
commixta & eidem experimento subjecta, ab aqua calcarea, uno
p. c. relicto,. absorbebantur. Solutionis calcareæ in his
experimentis, & præcipue in superiori, color erat luteoalbidus, odor
saporque sulphureti calcarei; solutio sensim sulphatem calcis
deponendo turbabatur, quod tamen in posteriori propter carbonatem
calcis simul præcipitatum discerni non poterat. Ex quibus
intelligitur, diminutionem supra descriptam gasis aquæ examinandæ non
acido tantum carbonico sed gasi etjam hydr. sulph. esse tribuendam.
Horum igitur gasium quantitates alia via dignoscendæ sunt. Eum in
finem unum aquæ fontanæ Cantharum in vase operto calce præcipitabam;
præcipitatum, cujus pondus erat = 0,085 [2] ex oxido ferri = 0,020,
carbonate calcis magnesiæque aquæ proprio, aliis experimentis noto =
0,035, & carbonate calcis jam generato, cujus igitur pondus = 0,030,
constabat. Si pondera carbonatis calcis & acidi carb. quod continet,
sunt inter se = 100:43, oritur exinde pondus acidi carbonici ex aqua
fontana recepti = 0,014; ex quo tamen volumen gasis ejus haud facile
inveniri potest.
[2] Unitas ponderis per totam banc disfertationem = 1/4 lod
viktualie-vigt = 1 drachma 7 1/2 gr. = 1 centner prober-vigt.
Unde autem oritur hujus aquæ gas hydrogenium sulphuratum? In quibusdam
aquis non dubium est quin originem debeat sulphureto calcis, quod, dum
ex aqua oxidatur, ideoque gas hydrogenium generat, illi sulphuris
aliquid tradit; ipsum autem in sulphatem calcis transit, qui circum
tales fontes, forma pulveris albi, se manifestat. In aqua Medeviensi
sulphas quidem calcis adest, quem primo sulphuretum fuisse posse,
deinde vero oxidatum, hoc gas, ut diximus, produxisse, haud quidem
districte negaverim, vero tamen similius esse existimaverim, a stratis
corporum organicorum putrefactorum vel putrescentium, per quæ vena
transit, idem illud gas originem duxisse, quippe quod destructione
animalium vegetabiliumque generari, ideoque ex stagnosis limosisque
locis, præsertim commotione quadam facta, exhalari noverimus. Per hanc
hypothesin explicatur etjam ortus gasis hydrogenii carbonati, quod in
hoc & pluribus aliis Sveciæ fontibus adesse, cum alia fere desint
ipsius indicia, sapor peculiaris certe arguit; quamquam ejus
quantitas, propter minorem in aqua solubilitatem longe minor sit,
necesse est; nec determinari potest nisi combustione; quam experiri,
defectus instrumentorum prohibuit.
Ex quovis fonte V Cantharos, in vase vitreo, unum cum dimidio
cancharum capiente, singulos vaporare curavi. Massa sicca caute
colligebatur, & quod vitro arctius adhærebat, acido muriatico diluto
abluebatur & solutioni N. 5 addebatur. Massæ in temp. + 108 siccatæ
pondus =0,575.
1. Massa diligenter aqua eluebatur & liquidum siphone secernebatur,
quo colatio evitaretur. Hæc aqua deinceps ad siccum vaporabat, supra
infundebatur alcohol, qui non solutum reliquit album terrestre =
0,025, quod experimentis infra enarrandis sulphatem calcis esse
reperi.
2. Solutio alcoholina lente evaporabatur; fusca erat, & crystallos
muriatis natri facile agnoscibiles in reliqua massa fusca
deliquescibili dabat [3]. Pondus totius massæ = 0,150. In aqua
solvebatur, cui solutioni admistum ammoniacum purum nihil mutavit; sed
azotate barytæ præcipitatum efficiebatur, quod lotum siccatumque erat
= 0,01. & azotate argenti præcipitatum cinereum, in lamella vitrea
supra ignem odorem empyreumaticum spargens, quo manifestatur extractum
vegetabile: id igitur coctione cum acido azotico conc. destruebatur;
quod hujus acidi supererat, ammoniaco dein saturabatur, quod primo
præcipitatum faciebat, mox solvebat; quapropter acidum muriaticum ad
saporem acidulum addebatur. Murias argenti bene elotus & siccatus
niveo fuit colore & pondere = 0,240.
[3] Sales cum extracto conjunctos difficulter crystallisari, notisi
mum est.
3. Ex reliqua solutionis parte argentum superfluum muriate ammoniaci
præcipitabatur: dein inspissabatur, nihilque acido oxalico tartaricove
afficiebatur; quapropter nec kali nec calcem habebat.
4. Residuum ex lotione cum aqua N. 1 cum alcohole eluebatur, quod
evaporando dedit refinam odoram fuscam = 0,005.
5. Residuum ex massa alcohole elota N. 4 acido muriatico diluto
solvebatur; solutio secernebatur, & quod solutum non erat, aqua
eluebatur, quæ dein solutioni admiscebatur. Hæc ad dimidiam partem
evaporata ammoniaco præcipitabatur; præcipitatum elotum fuit = 0,15.
Reliqua solutio, cum aqua lotionis, carbonete ammoniaci
præcipitabatur, quod carbonatem calcis = 0,125 dedit. Calcem fuisse
inde colligitur, quod cum acido sulphurico sal difficulter solubile
efficiebat, nec carbonare ammoniaci solvebatur; ideoque magnesia non
erat.
6. Quod ammoniaco præcipitatum erat, in acido sulphurico solvebatur;
residua erat magnesia, quæ acid. sulph. dilato difficulter solvitur,
si pura est; pondus erat = 0,03. Acido muriatico soluta carbonate
ammoniaci procipitabatur [4] & mox ab eo solvebatur; quæ magnesiæ nota
est.
[4] BERGMAN & secundum eum plures alii, magnesiæ ad acida
attractionem majorem statuunt quam ammoniaci. Alii negant; cum ex
acid. sulphurico ammoniaco præcipitetur. BERGMAN (In Opusculis T. 3
p. 317 & 337) hoc præcipitatum inde oriri contendit quod in
solutione sal tripliciter compositum generaretur. Qua de re hæc
sequentia ipse sum expertus. Si Murias magnesiæ cum carbonate kali
præcipitatur, usque dum reagat alcali, & præcipitatum inde
separatur, præcipitari dein potest cum ammoniaco puro nova magnesiæ
portio. Idem evenit, si ordine inverso primo adhibetur ammoniacum
purum & deinde Carbonas kali. Sulphas magnesiæ carbonate kali totus
decomponitur; at si plus carbonatis kali additur, solvitur iterum
praecipitatum, & post horas quasdam crystalli formantur. Idem
evenit, si præcipitatio ope carbonatis ammoniaci perficitur. Etjam
ex muriate magnesiæ præcipitando formantur hi sales; si solutio
valde diluta est, nihil carbonate ammoniaci praecipitatur; si
aliquantom puri ammoniaci additur, præcipitatum oritur quod
carbonate ammoniaci, si sufficiens ejus quantitas adsit, solvitur &
crystallisatur eam in formam, quam BERGMAN, Opusc. T. 1 Tab. 1.
depinxit & carbonatis magnesiæ esse dixit; sed. ut ex allatis
sequitur, ammoniacum etjam continet, quod in auctiore calore
effugit, & magnesiæ carbonatem pulverulentum relinquit. Solutio
muriatis magnesiæ valde diluta non præcipitatur carbonate ammoniaci,
sed tantum si concentrata sit; tum autem præcipitatum est triplex
ille sal, cujus supra mentionem fecimus, sere difficulter
solubilis. Carbonates alcalium solvunt carbonatem magnesiæ, &
efficiunt sales crystallisabiles difficulter solubiles. Murias
ammoniaci carbonatem magnesiæ solvit, sed pars decomponitur & sal
triplex nascitur. Alcalia pura solvunt carbonatem magnesiæ ita, ut
se acido carbonico saturent, & quod superest carbonatis magnesiæ
solvant; quod de ammoniaco non valet; cum carbonas ammoniaci puram
magnesiam ita solvat, ut hæe primum ab ammoniaco rapiat ad se acidum
carbonicum. Fourcroy & Vauquelin, in analysi urinæ, Bulletin des
Sciences An. 1798 N. IX, propensitatem magnesiæ ad triplicem
conjunctionem cum ammoniaco & acido phosphorico memoraverunt. Hæc
magnesiæ proprietas accuratiore disquisitione digna esse vi detur.
Solutio in acido sulphurico facta, ad siccum evaporabatur; quod dum
fiebat, crystalli sulphatis calcis formabantur: massa sicca
ustulabatur donec effugisset ac. sulphuricum; residui pondus = 0,125;
quæ ponderis auctio majori ferri oxidationi tribuenda esse videretur,
quam etjam color & vapores acidi sulphurosi indicabant.
7. Massa usta lavabatur aqua, ex qua nec ammoniacum nec carbonates
alcalium aliquid præcipitabant. Dein ac. muriatico solvebatur, ex qua
solutione murias barytæ præcipitatum effecir, quod sulphatem calcis =
0,02 adhuc remansisse indicabat. Etjam oxalas kali calcis præsentiam
docebat. Puro ammoniaco oxidum ferri purum præcipitabatur = 0,10.
8. Solutio N. 5, ex qua calx carbonate ammoniaci præcipitate erat, in
siccum evaporabatur; cum acido sulphurico miscebatur & urebatur donec
acid, muriaticum effugisset; iterum solvebatur, & ammoniaco
præcipitabatur; quo secernebatur magnesia = 0,02.
9. Quod post solutionem in acido muriatico supererat, aqua difficulter
solvebatur; at aqua postquam diutius superinfusa mansisset, &
solutione barytæ & acid. oxalico præcipitabatur; coctum in carbonate
natri generavit sulphatem natri, & quod non solvebatur, effervescebat
aliquantulum, adfuso acido quodam; fuit igitur sulphas calcis = 0,140.
Hæ omnes rationes si conferuntur; animadvertitur auctio = 0,040, quæ
tribuenda est iis particulis, quæ ex vase, in quo facta erat
evaporatio, acido muriatico eluebantur.
Salis N. 2 pondus erat = 0,150; murias argenti = 0,240 continet ac.
muriaticum = 0,043, quod ad plenam saturarionem requirit natrum =
0,065 & aquam ad crystallisandum = 0,022, quo quantitas muratis narri
invenitur = 0,130. Sulphas barytæ, ibidiem, = 0,010 continet ac.
sulphuricum = 0,003; quod saturatur natro = 0,005, ex quo quantitas
sulphatis natri = 0,08. Residuum fuit extractum & aqua & alcohole
solubile = 0,012.
Sequens tabula exhiber, quantum ex meis quidem experimentis concludere
licuit, quantitates corporum in quovis hujus aquæ cantharo solutorum;
cui adjungitur tabula Cel. Prof. BERGMAN, loco supra citato allata.
Secundum experimenta Secundum mea
BERGMANNI
Gas acidi carbonici - 6 p. c. Gas ac. carb.
Gas hydr. sulph. - 8 cum gase hydr.
sulph. - 6 p. c.
Aër athmosph. - 0,5
----- -----
14 6 1/2
Murias natri - 0,005 Murias natri - 0,026
Oxidum ferri - 0,056 Oxid. ferri - 0,020
Extractum mucil. - 0,019 Extract. muc. - 0,003
- - - - Sulphas natri - 0,001
- - - - Sulphas calcis - 0,037
- - - - Carbonas calc. - 0,025
- - - - Carb. magnes. - 0,010
- - - - Resinæ - 0,001
Murias calcis - 0,009 - - -
----- -----
0,089 0,123
Fons Medius
In ipso fere plano soli circumjacentis scatet; reliqui duo
depressiores. Aqua per duo foramina crateris emittitur, ideoque fere
semper turbida est. Temperatura variat. D 1 Junii erat in fundo +7°;
in superficie 7,°5; in atmosphæra 8° vel 9° D. 30 Julii in fundo 9,5
in superficie 10,° in atmosphæra 19° vel 20°. Quantitas gasium per
cantharum aquæ hujus fontis est 1 1/2 p. cub. major, quam reliquorum;
odore hydrogenii sulph. fortiori & quadam virtute laxante prædita est.
Ejus partes constitutivæ eædem sunt, ac fontis supra descripti,
excepto, quod minus ferri (= 0,015) & carbonatis calcis (= 0,080)
habet, quod etjam quantitatem acidi carbonici minorem indicare
videtur.
Fons supremus.
Situs hujus fontis editior est, quam ceterorum. Sapor veteris fontis
sapori similis est. Reactio eadem. Temperatura variat. D. 1 Jun. erat
in fundo + 6,°5; in superficie 7.° D. 30 Jul. in fundo + 8° in
superficie 9.° Ferri quantitas eadem est ac in vetere fonte, sulphatis
calcis major (= 0,045); carbonatis calcis & magnesiæ minor. Sales
reliqui sunt iidem in omnibus his fontibus.
Limus Medeviensis.
Non admodum profunde sub ipsa soli superficie reperitur. Scripturam
azotate plumbi factam afficit. Schidiis & aliis reliquiis
vegetabilibus immixtus est. Ustione duas partes tertias ponderis
perdit; residuum constat ex ferro, silice & sulphate calcis. Sulphatem
ferri, ut limus Lokaënsis, non continet. Una ejus tertia pars est
extractiva, & alkohole & aqua solubilis.
Fons Lokaënsis.
Ejus partes constitutivas eadem fere ratione, qua fontium
Medeviensium, exploratas has sequentes reperi.
Gas Hydrog. sulph. & perpaullulum
Gasis acidi carbonici - - 2 p. c.
Aër atmospæricus - - 3,5
ex quo gas oxigenium - 0,5
& gas azotum - 3,0
------
5,5 p. c.
Carbonas calcis - - 0,0042
Carbonas magnesiæ - - 0,0035
Silex - - 0,0107
Sulphas calcis - - 0,0023
Murias natri - - 0,0055
Extractivum - - 0,0014
Aliquantulum resinæ - -
------
per Cantharum 0,0276
Limus Lokaënsis,
In quaque libra continentur
Gas ac. carb. & hydrog. sulph. - 2,6
Aër atmosphæricus - 0,3
Gas hydrogenium carbonatum - 0,8
-----
3,7 p. cub.
Aquosum - 9,5 lod.
Limus siccatus = 4, continet
Extractum - 0,045
Sulphas calcis - 0,010
Sulphas ferri - 0,005
Combustibilia - 1,402
Oxidum ferri - 0,172
Argilla - 0,075
Carbonas magnesiæ - 0,020
Silex - 2,232
Aliquantulum carb. calcis -
-----
3,961
Addito quod deficit 0,039
-----
4,000
End of text.
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