Rapid determination of the Mn average oxidation state of Mn oxides with a novel two-step colorimetric method

2017 ◽  
Vol 9 (1) ◽  
pp. 103-109 ◽  
Author(s):  
Yanhua Zhu ◽  
Xinran Liang ◽  
Huaiyan Zhao ◽  
Hui Yin ◽  
Mingming Liu ◽  
...  

The Mn average oxidation state (Mn AOS) of Mn oxides has a significant impact on their reactivity towards trace metals and organic contaminants via sorption, catalysis and oxidation processes.

1967 ◽  
Vol 13 (10) ◽  
pp. 900-908 ◽  
Author(s):  
Brigitta Mellerup

Abstract A method for the determination of serum arginase is given which combines the enzymatic formation of urea with the sensitive method of Coulombe (1) for measuring this substance. This procedure allows more accurate determinations in the normal range than do previous methods described and is convenient for clinical routine. Significant difference is found between the mean values of normal men and women, 3.9 units/L. for the former and 2.9 units/L. for the latter.


Author(s):  
George Stanley Wilkinson

A simple colorimetric method for the determination of plasma paracetamol in emergency cases of overdose is described. A comparison with an ultraviolet method was performed.


1981 ◽  
Vol 14 (3) ◽  
pp. 342-346 ◽  
Author(s):  
C Wallis ◽  
J L Melnick ◽  
C J Longoria

2004 ◽  
Vol 55 (2) ◽  
Author(s):  
Farooq Anwar ◽  
T. G. Kazi ◽  
Rubina Saleem ◽  
M. I. Bhanger

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