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VOL. 72 (3), 463-487, 2006 SPECTROPHOTOMETRIC CHARACTERISATION OF THE...

(14) ERIKSSON, J.; KARAMOHAMED, S. and NYREN, P. (2001): Method for renal-time
detection of inorganic pyrophosphatase activity. Anal Biochem. 293: 67-70.

(15) WEBB, M. R. (1992): A continuous spectrophotometric assay for inorganic
phosphate and for measuring phosphate release kinetics in biological systems.
Proc. Natl. Acad. Sci. USA 89: 4884-4887.

(16) LOZANO CEREZO, M. L.; FERNÁNDEZ MARCOS, M. L. and ÁLVAREZ RODRÍGUEZ, E.
(1999): Heavy metals in mine soils amended with sewage sludge. Land
Degradation Development. 10: 555-560.

(17) SNYDER, D. L. Copper plating. http://www.pfonline.com/articles/pdf0014.html.
(18) TEWARI, K. K. and KRISHAN, P. S. (1960): The colorimetric determination of

ortophosphate in the presence of condensed phosphates. Anal. Chim. Acta.
22: 111-117.
(19) HAJ-HUSSEIN, A. T. (1996): Ultraviolet spectrophotometric determination of
copper in copper ores by flow-injection analysis. Talanta. 43: 1909-1914.
(20) MANNERVIK, B. (1982): Regression analysis, experimental error and statistical
criteria in the design and analysis of experiments for discrimination between
rival kinetic models. Meth. Enzymol. 87: 370-390.
(21) BARDSLEY, W. G.; BUKHARI, N. A. J.; FERGUSON, M. W. J.; CACHAZA, J. A. and
BURGUILLO, F. J. (1995): Evaluation of model discrimination, parameter
stimation and goodness of fin in nonlinear regression problems by test
statistics distributions. Computers Chem. 19: 75-84.
(22) KRUGER, N. J. (1995): Errors and artifacts in coupled spectrophotometric
assays of enzyme activity. Phytochemistry. 38: 1065-1071.

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