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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a Boclair, J W
|e verfasserin
|4 aut
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|a Layered double hydroxide stability. 2. Formation of Cr(III)-containing layered double hydroxides directly from solution
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|c 1999
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 27.09.1999
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|a Date Revised 27.10.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a Solutions containing divalent metal [M(II) = Mg2+, Zn2+, Co2+, Ni2+, Mn2+] chlorides and CrCl3 6H2O were titrated with NaOH to yield, for M(II) = Zn, Co, and Ni, hydrotalcite-like layered double hydroxides (LDHs), [[M(II)]1-z[Cr(III)]z(OH)2][Cl]z yH2O, in a single step, without intermediate formation of chromium hydroxide. Analysis of the resultant titration curves yields solubility constants for these compounds. These are in the order Zn < Ni approximately Co, with a clear preference for formation of the phase with z = 1/3. With Mg2+ as chloride, titration gives a mixture of Cr(OH)3 and Mg(OH)2, but the metal sulfates give Mg2Cr(OH)6 1/2(SO4) by a two-step process. Titrimetric and spectroscopic evidence suggests short-range cation order in the one-step LDH systems
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a NASA Discipline Exobiology
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|a Non-NASA Center
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|a Anions
|2 NLM
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|a Cations
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|a Chlorides
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|a Chromium Compounds
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|a Hydroxides
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|a Metals
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|a Solutions
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|a Sulfates
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|a Chromium
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|a 0R0008Q3JB
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|a chromium sulfate
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|a 14489-25-9
|2 NLM
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|a Cobalt
|2 NLM
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|a 3G0H8C9362
|2 NLM
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|a Manganese
|2 NLM
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|a 42Z2K6ZL8P
|2 NLM
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|a Nickel
|2 NLM
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|a 7OV03QG267
|2 NLM
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|a Magnesium
|2 NLM
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|a I38ZP9992A
|2 NLM
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|a Zinc
|2 NLM
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|a J41CSQ7QDS
|2 NLM
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|a chromic chloride
|2 NLM
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|a KB1PCR9DMW
|2 NLM
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| 700 |
1 |
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|a Braterman, P S
|e verfasserin
|4 aut
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1 |
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|a Jiang, J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lou, S
|e verfasserin
|4 aut
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|a Yarberry, F
|e verfasserin
|4 aut
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| 700 |
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|a Braterman, P S
|e investigator
|4 oth
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| 773 |
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8 |
|i Enthalten in
|t Chemistry of materials : a publication of the American Chemical Society
|d 1998
|g 11(1999), 2 vom: 20., Seite 303-7
|w (DE-627)NLM098194763
|x 0897-4756
|7 nnas
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| 773 |
1 |
8 |
|g volume:11
|g year:1999
|g number:2
|g day:20
|g pages:303-7
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|a GBV_USEFLAG_A
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|a SYSFLAG_A
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|a GBV_ILN_350
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|a AR
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|d 11
|j 1999
|e 2
|b 20
|h 303-7
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