HTTAHawaii Technology Trade Association
HTTAHalf-Time Teaching Assistantship (India)
HTTAHouston Table Tennis Association (Texas)
HTTAHeader Tag Title All
HTTAHonda Transverse Twins Association (motorcycle group)
HTTAHeat Treatable Tungsten Alloy
HTTAHaryana Table Tennis Association (India)
HTTAHawaii Table Tennis Association
HTTAHellenic Table Tennis Association (Greece)
HTTAHampshire Table Tennis Association (UK)
HTTAHighway and Traffic Technicians Association
HTTAHarlow Town Twinning Association (Harlow, Essex UK)
HTTAHighways and Transportation Technicians Association (Hong Kong)
HTTAHow to Travel America (website and book)
HTTAHolier Than Thou Attitude
HTTAHighlands Trout Triangle Association (South Africa)
HTTAHaving Taken Title As (real estate transactions)
References in periodicals archive ?
P] are the distribution coefficients due to the lanthanoid extraction with HTTA or HP alone under the same experimental conditions).
853] that a combination of one weak and one strong [beta]-diketone can produce the extraction of a mixed adduct accompanied by a synergistic effect as well as with the statement of Hala [24] that the weaker acid is involved in the mixed adduct as a neutral molecule (the pKa values of HTTA, HP, and PAR are 6.
Taking into account that the partition of HP [14], HTTA [15], and PAR [17] toward the aqueous phase is very low and on the basis of the slope analysis data, the overall equilibrium constants [K.
It can be seen that the curves of HTTA and HP vary practically in the same manner as those including a synergistic agent.
The separation factors and the synergistic coefficients (given also in Table 2) show that the addition of PAR to the chelating extractants HTTA and HP not only enhances the extraction efficiency but improves the selectivity among the lanthanoids as well although it has been generally believed that synergistic extraction makes the separation of metals worse, compared with the extraction with a chelating ligand only.