Matches in SemOpenAlex for { <https://semopenalex.org/work/W2009053669> ?p ?o ?g. }
Showing items 1 to 95 of
95
with 100 items per page.
- W2009053669 endingPage "85" @default.
- W2009053669 startingPage "72" @default.
- W2009053669 abstract "An examination of the “hydroxyl region” of the spectra of brucite, gibbsite, kaolin family minerals, and montmorillonites in various states of dehydration show the spectra to be much more complex than at first expected. The presence of multiple absorption bands even in powder spectra of minerals such as brucite, gibbsite, and the clay minerals, cannot yet be explained in terms of the X-ray structure. There is no simple correlation of OH− absorption frequencies with “types of OH−,” and extent of hydrogen bonding, based on the data obtained. OD− is shown to replace OH− approximately equally in the three maxima in kaolinite and dickite in the 2·7micron region, when the minerals are reacted with D2O at about 370°C and 20,000 p.s.i. The more common generalization that hydrogenbonded OH− ions show a bathochromic shift compared to the “free” or “symmetrical” OH− is also not borne out by our data, which show that, at least in part, the longer wavelength 2·9-μ maximum is the result of hydroxyls which remain in the structure of montmorillonite heated at elevated temperatures. Deuterium-exchange experiments indicate that the exchange of hydroxyls varies widely with temperature. Attempts of 1-month duration to exchange OD− for OH− at room temperature indicated practically no exchange in dickite and kaolinite, with only a small amount in montmorillonite. Under elevated pressures, a significant amount of exchange was observed in kaolinite at 190°C, and extensive exchange took place in kaolinite at 370°C (greater than 50%), somewhat less in montmorillonite, and the least in dickite. In all the OD− phases and in synthetic Mg(OD)2, the OD− absorption maxima are moved to greater wavelengths by a multiple of about 1·37 from the corresponding OH− maxima in the original minerals." @default.
- W2009053669 created "2016-06-24" @default.
- W2009053669 creator A5007942830 @default.
- W2009053669 creator A5088900896 @default.
- W2009053669 date "1957-01-01" @default.
- W2009053669 modified "2023-09-23" @default.
- W2009053669 title "Hydrogen-deuterium exchange in clays and problems in the assignment of infra-red frequencies in the hydroxyl region" @default.
- W2009053669 cites W1665007207 @default.
- W2009053669 cites W2000868006 @default.
- W2009053669 cites W2019111321 @default.
- W2009053669 cites W2039475652 @default.
- W2009053669 cites W2045270441 @default.
- W2009053669 cites W2070625559 @default.
- W2009053669 cites W2125205541 @default.
- W2009053669 cites W2172289905 @default.
- W2009053669 cites W2313900692 @default.
- W2009053669 cites W2314142351 @default.
- W2009053669 cites W2315336177 @default.
- W2009053669 cites W4254590450 @default.
- W2009053669 doi "https://doi.org/10.1016/0016-7037(57)90006-6" @default.
- W2009053669 hasPublicationYear "1957" @default.
- W2009053669 type Work @default.
- W2009053669 sameAs 2009053669 @default.
- W2009053669 citedByCount "39" @default.
- W2009053669 countsByYear W20090536692013 @default.
- W2009053669 countsByYear W20090536692015 @default.
- W2009053669 countsByYear W20090536692018 @default.
- W2009053669 crossrefType "journal-article" @default.
- W2009053669 hasAuthorship W2009053669A5007942830 @default.
- W2009053669 hasAuthorship W2009053669A5088900896 @default.
- W2009053669 hasConcept C107872376 @default.
- W2009053669 hasConcept C113196181 @default.
- W2009053669 hasConcept C117760992 @default.
- W2009053669 hasConcept C121332964 @default.
- W2009053669 hasConcept C125287762 @default.
- W2009053669 hasConcept C145148216 @default.
- W2009053669 hasConcept C159985019 @default.
- W2009053669 hasConcept C178790620 @default.
- W2009053669 hasConcept C179104552 @default.
- W2009053669 hasConcept C185592680 @default.
- W2009053669 hasConcept C192562407 @default.
- W2009053669 hasConcept C199289684 @default.
- W2009053669 hasConcept C2777216531 @default.
- W2009053669 hasConcept C2777515222 @default.
- W2009053669 hasConcept C2777975867 @default.
- W2009053669 hasConcept C2779899878 @default.
- W2009053669 hasConcept C40212044 @default.
- W2009053669 hasConcept C46051903 @default.
- W2009053669 hasConcept C512968161 @default.
- W2009053669 hasConcept C543218039 @default.
- W2009053669 hasConcept C62520636 @default.
- W2009053669 hasConcept C91881484 @default.
- W2009053669 hasConceptScore W2009053669C107872376 @default.
- W2009053669 hasConceptScore W2009053669C113196181 @default.
- W2009053669 hasConceptScore W2009053669C117760992 @default.
- W2009053669 hasConceptScore W2009053669C121332964 @default.
- W2009053669 hasConceptScore W2009053669C125287762 @default.
- W2009053669 hasConceptScore W2009053669C145148216 @default.
- W2009053669 hasConceptScore W2009053669C159985019 @default.
- W2009053669 hasConceptScore W2009053669C178790620 @default.
- W2009053669 hasConceptScore W2009053669C179104552 @default.
- W2009053669 hasConceptScore W2009053669C185592680 @default.
- W2009053669 hasConceptScore W2009053669C192562407 @default.
- W2009053669 hasConceptScore W2009053669C199289684 @default.
- W2009053669 hasConceptScore W2009053669C2777216531 @default.
- W2009053669 hasConceptScore W2009053669C2777515222 @default.
- W2009053669 hasConceptScore W2009053669C2777975867 @default.
- W2009053669 hasConceptScore W2009053669C2779899878 @default.
- W2009053669 hasConceptScore W2009053669C40212044 @default.
- W2009053669 hasConceptScore W2009053669C46051903 @default.
- W2009053669 hasConceptScore W2009053669C512968161 @default.
- W2009053669 hasConceptScore W2009053669C543218039 @default.
- W2009053669 hasConceptScore W2009053669C62520636 @default.
- W2009053669 hasConceptScore W2009053669C91881484 @default.
- W2009053669 hasIssue "1-2" @default.
- W2009053669 hasLocation W20090536691 @default.
- W2009053669 hasOpenAccess W2009053669 @default.
- W2009053669 hasPrimaryLocation W20090536691 @default.
- W2009053669 hasRelatedWork W1910330548 @default.
- W2009053669 hasRelatedWork W1967674412 @default.
- W2009053669 hasRelatedWork W1988202478 @default.
- W2009053669 hasRelatedWork W2074809662 @default.
- W2009053669 hasRelatedWork W2153779060 @default.
- W2009053669 hasRelatedWork W2188888449 @default.
- W2009053669 hasRelatedWork W2313630784 @default.
- W2009053669 hasRelatedWork W4283515277 @default.
- W2009053669 hasRelatedWork W994396214 @default.
- W2009053669 hasRelatedWork W2036034188 @default.
- W2009053669 hasVolume "11" @default.
- W2009053669 isParatext "false" @default.
- W2009053669 isRetracted "false" @default.
- W2009053669 magId "2009053669" @default.
- W2009053669 workType "article" @default.