THE ACCURATE DETERMINATION OF COBALT. II. GRAVIMETRIC METHODS AND IN PARTICULAR THE PHOSPHATE METHOD

Journal Article · Sat Dec 31 23:00:00 EST 1960 · Analytica Chimica Acta (Netherlands)

DOI:https://doi.org/10.1016/0003-2670(61)80007-X· OSTI ID:4073513

Foster, A G; Williams, W J

Some gravimetric methods for determining cobalt were examined to assess their value for the accurate determination of the metal. The electrolytic method was found to give high resuits (about 1.4%), and the anthranilate method, slightly high resuits (0,2 to 0.3%). A modification of the phosphate method was developed in which a former drawback, the solubility of CoNH/sub 4/PO/sub 4/ H/ sub 2/O, was overcome by using a rapid spectrophotometric determination of residual cobalt. The final procedure developed was found to give accurate resuits ( plus or minus O.l to 0.2%), and its use is recommended where this degree of accuracy is required. (auth)

• Research Organization: Univ. of London, Eng.
• NSA Number: NSA-15-012851
• OSTI ID: 4073513
• Journal Information: Analytica Chimica Acta (Netherlands), Journal Name: Analytica Chimica Acta (Netherlands) Vol. Vol: 24; ISSN ACACA
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ANTHRANILIC ACID
CHEMISTRY
COBALT
ELECTROLYSIS
PHOSPHATES
PHOTOMETRY
QUANTITATIVE ANALYSIS
SPECTRA
USES