Conductometric and microcalorimetric analysis of the alkaline-earth/alkali-metal ion exchange onto polyacrylic acid

1999 ◽  
Vol 277 (9) ◽  
pp. 818-826 ◽  
Author(s):  
I. Pochard ◽  
A. Foissy ◽  
P. Couchot
Keyword(s):  
Ion Exchange ◽  
Alkali Metal ◽  
Polyacrylic Acid ◽  
Metal Ion ◽  
Alkaline Earth ◽  
Alkali Metal Ion ◽  
Metal Ion Exchange

Kinetics of Alkali Metal Ion Exchange into Nanotubular and Nanofibrous Titanates

2007 ◽  
Vol 111 (40) ◽  
pp. 14644-14651 ◽  
Author(s):  
Dmitry V. Bavykin ◽  
Frank C. Walsh
Keyword(s):  
Ion Exchange ◽  
Alkali Metal ◽  
Metal Ion ◽  
Alkali Metal Ion ◽  
Metal Ion Exchange ◽  
Kinetics Of

ChemInform Abstract: ALKALI-ALKALI METAL ION EXCHANGE ON CRYSTALLINE ZIRKONIUM PHOSPHATE

1974 ◽  
Vol 5 (26) ◽  
pp. no-no
Author(s):  
GIULIO ALBERTI ◽  
SERGIO ALLULLI ◽  
UMBERTO COSTANTINO ◽  
MARIA A. MASSUCCI
Keyword(s):  
Ion Exchange ◽  
Alkali Metal ◽  
Metal Ion ◽  
Alkali Metal Ion ◽  
Metal Ion Exchange

Alkali metal ion exchange selectivity of Al-substituted tobermorite

1989 ◽  
Vol 4 (3) ◽  
pp. 698-703 ◽  
Author(s):  
Masamichi Tsuji ◽  
Sridhar Komarneni
Keyword(s):  
Ion Exchange ◽  
Alkali Metal ◽  
Cation Exchange ◽  
Separation Factor ◽  
Metal Ion ◽  
Infinite Dilution ◽  
Exchange Reactions ◽  
Alkali Metal Ion ◽  
Metal Ion Exchange ◽  
Exchange Selectivity

Alkali metal ion exchange isotherms at a total ionic strength of 0.001 M were determined at 25 °C on a 1.13 nm anomalous [Al3+ + Na+]-substituted tobermorite with the formula, Ca5Na0.75Al0.9Si5.1O16(OH)2 · 6.03H2O. The Kielland plots of Na+/K+, Na+/Rb+, and Na+/Cs+ exchange reactions showed straight lines. The slopes were steeper for Cs+ and Rb+ exchange reactions, as compared to K+ exchange. The cation-exchange selectivity for alkali metals was found to increase as follows: Cs+>Rb+>K+>Na+. A new evaluation method of the separation factor (αMN/KMd/KNd,Kd: distribution coefficient) for a combination of two cations at infinite dilution was proposed in terms of the selectivity coefficient (KMNa) which can be easily determined from the Kielland plot. An extremely large separation factor for Cs (αCsNa = 112) was found at infinite dilution. These basic studies of cation exchange selectivity are of relevance in cation separation and purification and nuclear waste disposal.

Tubular Titanates: Alkali-Metal Ion-Exchange Features and Carbon Dioxide Adsorption at Room Temperature

2019 ◽  
Vol 58 (13) ◽  
pp. 5168-5174 ◽  
Author(s):  
Eri Uematsu ◽  
Atsushi Itadani ◽  
Hideki Hashimoto ◽  
Kazuyoshi Uematsu ◽  
Kenji Toda ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Ion Exchange ◽  
Alkali Metal ◽  
Metal Ion ◽  
Room Temperature ◽  
Carbon Dioxide Adsorption ◽  
Alkali Metal Ion ◽  
Metal Ion Exchange
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