Enthalpimetric flow analysis of urea using immobilized urease

Richard K Owusu; Martin J Trewhella; Arthur Finch

Enthalpimetric flow analysis of urea using immobilized urease

Richard K Owusu, Martin J Trewhella, Arthur Finch

Faculty Of Life & Health Sciences

Research output: Contribution to journal › Article

4 Citations (Scopus)

Abstract

An enthalpimetric determination of urea using immobilized urease in a flow system is described. Sensitivity of analysis is related to the mole reaction enthalpy (dHR). This is estimated as (61 ±3 kJ mol−1 and 20 ±1 kJ mol−1 in sodium phosphate and tris-HCl buffer respectively. Factors affecting the minimum amount of urea detected, linearity range and rate of analysis are discussed.

Original language	English
Pages (from-to)	1-7
Journal	Thermochimica Acta
Volume	111
Publication status	Published - 15 Feb 1987

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http://www.sciencedirect.com/science/article/pii/0040603187880280

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Owusu, R. K., Trewhella, M. J., & Finch, A. (1987). Enthalpimetric flow analysis of urea using immobilized urease. Thermochimica Acta, 111, 1-7. http://www.sciencedirect.com/science/article/pii/0040603187880280

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abstract = "An enthalpimetric determination of urea using immobilized urease in a flow system is described. Sensitivity of analysis is related to the mole reaction enthalpy (dHR). This is estimated as (61 ±3 kJ mol−1 and 20 ±1 kJ mol−1 in sodium phosphate and tris-HCl buffer respectively. Factors affecting the minimum amount of urea detected, linearity range and rate of analysis are discussed.",

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AU - Owusu, Richard K

AU - Trewhella, Martin J

AU - Finch, Arthur

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N2 - An enthalpimetric determination of urea using immobilized urease in a flow system is described. Sensitivity of analysis is related to the mole reaction enthalpy (dHR). This is estimated as (61 ±3 kJ mol−1 and 20 ±1 kJ mol−1 in sodium phosphate and tris-HCl buffer respectively. Factors affecting the minimum amount of urea detected, linearity range and rate of analysis are discussed.

AB - An enthalpimetric determination of urea using immobilized urease in a flow system is described. Sensitivity of analysis is related to the mole reaction enthalpy (dHR). This is estimated as (61 ±3 kJ mol−1 and 20 ±1 kJ mol−1 in sodium phosphate and tris-HCl buffer respectively. Factors affecting the minimum amount of urea detected, linearity range and rate of analysis are discussed.

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VL - 111

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EP - 7

JO - Thermochimica Acta

JF - Thermochimica Acta

SN - 0040-6031

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