Spectrophotometric Determination of Trace Amounts of Nickel ion By Using Tetra(4-hydroxyphenyl) Porphyrin (THPP) and Tetra(4-bromo phenyl)Porphyrin (TBPP)
Spectrophotometric Determination of Trace Amounts of Nickel ion By Using Tetra(4-hydroxyphenyl) Porphyrin (THPP) and Tetra(4-bromo phenyl)Porphyrin (TBPP)

Jihad A. Taies; Satar Gobier; Nisreen A. Jassam

Volume 9, Issue 1 , April 2015, , Page 12-17

https://doi.org/10.37652/juaps.2015.124202

Abstract
  this work , the reaction of THPP and TBPP with nickel ion was studied Spectrophotometrically and kinetics as well as the thermodecomposition of NiTHPP complex with increasing the heating ...  Read More ...
Simultaneous determination of tryptophan and tyrosine in binary mixture by zero-crossing second derivative spectrophotometry.
Simultaneous determination of tryptophan and tyrosine in binary mixture by zero-crossing second derivative spectrophotometry.

Riyadh Mohammed Jihad

Volume 4, Issue 1 , April 2010, , Page 35-39

https://doi.org/10.37652/juaps.2010.15419

Abstract
  Rapid and accurate binary mixture resolution of tryptophan and tyrosine was performed. Differential-derivative spectrophotometry with a zero-crossing measurement technique was used ...  Read More ...