1941
DOI: 10.1002/hlca.19410240120
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Über die Bildungsenergie und Löslichkeit von Eisen(II)‐sulfid

Abstract: Sachdruck verboten -Tous droits rkserves. -Printed in Switzerland. -16. Uber die Bildungsenergie und Losliehkeit von Eisen(I1)-sulfid von W. D. Treadwell und 0. GUbeli. (2. I. 41.)Die genaue Bestimmung der Loslichkeit eines Salzes ist haufig wegen mange1haft)er Einstellung des S%ttigungsgl(:ichgewichtes und wegen Veranderung des Bodenkorpers durch Alterung nicht moglich. In solchen Fallen kann nur eine von den besondern Srbeit'sbedingungen abhangige und meist nicht sehr genau reproduzierbare Loslichkeit ermitt… Show more

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Cited by 5 publications
(4 citation statements)
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“…According to Pohl,3 precipitation of FeS is by reaction between Fe2+ and HS~, if (as we have shown to be the case) dissolution of FeS is first order with respect to [H+], We evaluated the rate constant at 25 °C for this precipitation reaction from the equilibrium constant of the reaction FeS + H+ <=> Fe2+ + HS~ (10) kb and the dissolution rate of FeS (2.7 X 10 6 m s 4). This was done using K io = The value obtained, 0.05 m s-1 (1-atm/mol)-1, shows that the rate of precipitation of FeS is fairly fast as compared to the dissolution process.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…According to Pohl,3 precipitation of FeS is by reaction between Fe2+ and HS~, if (as we have shown to be the case) dissolution of FeS is first order with respect to [H+], We evaluated the rate constant at 25 °C for this precipitation reaction from the equilibrium constant of the reaction FeS + H+ <=> Fe2+ + HS~ (10) kb and the dissolution rate of FeS (2.7 X 10 6 m s 4). This was done using K io = The value obtained, 0.05 m s-1 (1-atm/mol)-1, shows that the rate of precipitation of FeS is fairly fast as compared to the dissolution process.…”
Section: Discussionmentioning
confidence: 99%
“…•SH + RSH -H2S + RS- RSH ^RS-+ H+ (10) RS. + RS-^RSS-R (11) RS-+ RSS-R -» RS" + RSSR (12) The abbreviated formula RSH (R = CH2CH(NH3+)COOH) is used here, since the observed chemical changes involve only the sulfhydryl group.…”
Section: Methodsmentioning
confidence: 99%
“…Kapustinsky (13) calculated newer values for the free energy of formation of sulfide ion. Treadwell and Gubeli (27)…”
Section: Equations For Solubility Of Fes In Systems Containing Added ...mentioning
confidence: 99%
“…Method I Fe + H2S(g)=FeS + H2(g) H2(g) = 2H+ + 2e FeT2+ 2e = Fe (a) H2S (aq) = H2S (g) °(298.1) =-16.28 (25) °(298.1) = 0.00 (27) °(298.1) = 20.30 (25) °(298.1) = -1.35 (14) Fe+2 +H2S(aq)= FeS ( ) +2H+(aq)AF°(298.1) = 2.67 kcal./moie (15)…”
Section: Equations For Solubility Of Fes In Systems Containing Added ...mentioning
confidence: 99%