Effect of hydrogen ion concentration on the photosynthesis of amino acids in presence of nickel or ferric chloride as catalyst

1963 ◽  
Vol 12 (6) ◽  
pp. 973-976
Author(s):  
Krishna Bahadur ◽  
Rajendra Bahadur Srivastava
Keyword(s):  
Amino Acids ◽  
Ferric Chloride ◽  
Hydrogen Ion ◽  
Ion Concentration ◽  
Hydrogen Ion Concentration

The Formation of 3-Phenyl-2-thiohydantoins from Phenylthiocarbamyl Amino Acids

1963 ◽  
Vol 16 (3) ◽  
pp. 411 ◽  
Author(s):  
D Ilse ◽  
P Edman
Keyword(s):  
Amino Acids ◽  
Hydrogen Ion ◽  
Ion Concentration ◽  
Hydrogen Ions ◽  
Hydrogen Ion Concentration ◽  
First Order ◽  
First Order Kinetics ◽  
Kinetics Of ◽  
Degradation Of Peptides

In an attempt to extend the application of the phenylisothiocyanate degradation of peptides it was found necessary to study the kinetics of the conversion of phenylthiocarbamyl amino acids into phenylthiohydantoins. The conversion was found to obey first-order kinetics and to be catalyzed by hydrogen ions. A set of conditions with regard to time, hydrogen ion concentration and temperature was found, which allowed the quantitative or near quantitative conversion of all phenylthiocarbamyl amino acids into phenylthiohydantoins with the only exception of the phenylthiohydantoin of serine, which was returned in a yield of 20%.

scholarly journals THE COLORIMETRIC ESTIMATION OF THE HYDROGEN ION CONCENTRATION OF URINE

1928 ◽  
Vol 78 (1) ◽  
pp. 225-242
Author(s):  
Victor C. Myers ◽  
Edward Muntwyler
Keyword(s):  
Hydrogen Ion ◽  
Ion Concentration ◽  
Hydrogen Ion Concentration ◽  
Colorimetric Estimation ◽  
Concentration Of Urine

scholarly journals THE EFFECT OF HYDROGEN ION CONCENTRATION ON THE LIQUEFACTION OF GELATIN

1919 ◽  
Vol 38 (1) ◽  
pp. 179-190
Author(s):  
Harrison E. Patten ◽  
Alfred J. Johnson
Keyword(s):  
Hydrogen Ion ◽  
Ion Concentration ◽  
Hydrogen Ion Concentration

scholarly journals THE EFFECT OF HYDROGEN ION CONCENTRATION UPON ADSORPTION OF THE ACTIVE FACTORS OF VITAMIN B COMPLEX BY FULLERS' EARTH

1928 ◽  
Vol 80 (1) ◽  
pp. 91-101
Author(s):  
W.D. Salmon ◽  
N.B. Guerrant ◽  
I.M. Hays
Keyword(s):  
Hydrogen Ion ◽  
Ion Concentration ◽  
Vitamin B ◽  
Hydrogen Ion Concentration
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