نتایج جستجو برای: essential cations

تعداد نتایج: 381801  

Journal: :European journal of food science and technology 2023

Tomato belongs to the family, Solanaceae and genus Lycopersicon, is considered as one of best healthy foods in world due its rich source vitamin B phyto-nutrients abundant carotenoids lycopene. There has not been alternative means preservation asides refrigeration fast ripening disorder sets reduce shelf life level calcium potassium reduces during these processes. Post-harvest waxing proved be ...

K. Zare N. Osouleddini

The complexation of Alkali metal cations by the water-soluble p-sulfonic acid calix(4)arenewas thermodynamically characterized using spectrophotometeric data which are consistentwith the formation of a 1:1 complex resulting from electrostatic interactions between thesulfonato groups and alkali metal cations. In this study, we determined the formationconstants (log K) of the complexes and have c...

Journal: :journal of physical & theoretical chemistry 2009
k. zare n. osouleddini

the complexation of alkali metal cations by the water-soluble p-sulfonic acid calix(4)arenewas thermodynamically characterized using spectrophotometeric data which are consistentwith the formation of a 1:1 complex resulting from electrostatic interactions between thesulfonato groups and alkali metal cations. in this study, we determined the formationconstants (log k) of the complexes and have c...

Thermal behavior of various solid feldspars are different, namely those of bivalent cations show no change in the distribution of Al and Si atoms, whereas feldspars of univalent cations become more disordered with raising temperature. In the latter case Al atoms migrate from the sites they occupe at low temperatures and interchange positions with the Si atoms. At high temperatures (but stil...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 1991
gholam abbas parsafar y. ghayeb

thermal behavior of various solid feldspars are different, namely those of bivalent cations show no change in the distribution of al and si atoms, whereas feldspars of univalent cations become more disordered with raising temperature. in the latter case al atoms migrate from the sites they occupe at low temperatures and interchange positions with the si atoms. at high temperatures (but still be...

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