scholarly journals Comparative study on the chemical stability of Fe3O4 and NiFe2O4 in molten salts

2018 ◽  
Vol 228 ◽  
pp. 117-122 ◽  
Author(s):  
P. Meyer ◽  
M. Gibilaro ◽  
L. Massot ◽  
I. Pasquet ◽  
P. Tailhades ◽  
...  
Keyword(s):  
Comparative Study ◽  
Chemical Stability ◽  
Molten Salts

scholarly journals Comparative Study of Chemical Stability of Two H1Antihistaminic Drugs, Terfenadine and ItsIn VivoMetabolite Fexofenadine, Using LC-UV Methods

2019 ◽  
Vol 2019 ◽  
pp. 1-10
Author(s):  
Anna Gumieniczek ◽  
Anna Berecka-Rycerz ◽  
Rafał Pietraś ◽  
Izabela Kozak ◽  
Karolina Lejwoda ◽  
...  
Keyword(s):  
Comparative Study ◽  
Chemical Stability ◽  
First Order ◽  
First Order Kinetics ◽  
Kinetics Of Degradation ◽  
Effects Of Temperature ◽  
High Doses ◽  
Antihistaminic Drugs ◽  
Kinetics Of

A comparative study of chemical stability of terfenadine (TER) and itsin vivometabolite fexofenadine (FEX) was performed. Both TER and FEX were subjected to high temperature at different pH and UV/VIS light at different pH and then quantitatively analyzed using new validated LC-UV methods. These methods were used to monitor the degradation processes and to determine the kinetics of degradation for both the compounds. As far as the effects of temperature and pH were concerned, FEX occurred more sensitive to degradation than TER. As far as the effects of UV/VIS light and pH were concerned, the both drugs were similarly sensitive to high doses of light. Using all stress conditions, the processes of degradation of TER and FEX followed the first-order kinetics. The results obtained for these two antihistaminic drugs could be helpful in developing their new derivatives with higher activity and stability at the same time.

A comparative study of electrodes in the direct synthesis of CH4 from CO2 and H2O in molten salts

2017 ◽  
Vol 42 (29) ◽  
pp. 18156-18164 ◽  
Author(s):  
Deqiang Ji ◽  
Yue Liu ◽  
Zhida Li ◽  
Dandan Yuan ◽  
Guanjian Yang ◽  
...  
Keyword(s):  
Comparative Study ◽  
Molten Salts ◽  
Direct Synthesis

Thermo-mechano-chemical stability of ceramic materials during the electrowinning process using liquid metal electrodes in molten salts

2014 ◽  
Vol 52 (1) ◽  
pp. 85-95 ◽  
Author(s):  
Dae-Young Kim ◽  
Hong-Youl Ryu ◽  
Seung-Hyun Kim ◽  
Joon-Bo Shim ◽  
Seung-Woo Paek ◽  
...  
Keyword(s):  
Liquid Metal ◽  
Chemical Stability ◽  
Molten Salts ◽  
Ceramic Materials ◽  
Metal Electrodes

A Comparative Study of the Chemical Stability of Various Mitomycin C Solutions Used in Glaucoma Filtering Surgery

1999 ◽  
Vol 8 (4) ◽  
pp. 242???246 ◽  
Author(s):  
Ann-Mich??le Francoeur ◽  
Alfred Assalian ◽  
Mark R. Lesk ◽  
Isabelle Morin ◽  
Francine T??treault ◽  
...  
Keyword(s):  
Comparative Study ◽  
Mitomycin C ◽  
Chemical Stability ◽  
Filtering Surgery
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