السلام عليكم ورحمة الله وبركاته
اريد هذه الابحاث بشده لو سمحتم (1)
The spectrophotometric determination of Cerium with Methylene Blue
Analytica Chimica Acta, 48(1969) 425
(2)
Liquid-solid extraction system based on between 40-salt-H2O without organic solvents
Talanta, 37(9), (1990) 885.
(3)
Physico-chemical Studies on Vanadium(V), Niobium(V) and Tantalum(V) Complexes with Eriochrome Cyanine-R and Methylene Blue
R.M. Awadallah, M.T. El-Haty and A.A.M. Belal
Asian J. Chem., Vol. 2, pp. 155-167 (1990)