Title of article :
Spectrophotometric Determination of Vanadium in Carbonaceous Shales (Stone Coal Ores) Using 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol
Author/Authors :
Cheng Xianzhong، نويسنده , , Kong Yun، نويسنده ,
Keywords :
Spectrophotometry , vanadium , 5-Br-PADAP , stone coal ores.
Journal title :
Astroparticle Physics