Abstract
A method for the simultaneous determination of molybdenum and tungsten in mixtures by first-derivative synchronous spectrofluorimetry is described. The method is based on the formation of fluorescent complexes with carminic acid at pH 5.1. The constant wavelength difference chosen to optimise the determination was Δλ=λem.-λex.= 50 nm. Molybdenum was measured at λex./λem.= 550/600 nm and tungsten at λex./λem.= 561/611 nm. The range of application is between 1 and 12 µM molybdenum and between 1 and 6 µM tungsten. The accuracy and precision of the method are reported.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
