scholarly journals Selected magnesium compounds as possible inhibitors of ammonium nitrate decomposition

2020 ◽  
Vol 22 (2) ◽  
pp. 1-8
Author(s):  
Józef Hoffmann ◽  
Maciej Kaniewski ◽  
Dominik Nieweś ◽  
Krystyna Hoffmann
Keyword(s):  
Mass Spectrometry ◽  
Thermal Analysis ◽  
Ammonium Nitrate ◽  
Mineral Fertilizers ◽  
Nitrate Hexahydrate ◽  
Inhibiting Effect ◽  
Chloride Hexahydrate ◽  
Magnesium Compounds ◽  
Exothermic Decomposition ◽  
Thermal Stability Of

AbstractAmmonium nitrate (AN) is considered to be a very hazardous and difficult to handle component of mineral fertilizers. Differential thermal analysis coupled with thermogravimetry and mass spectrometry was used to determine the possible inhibiting effect of selected magnesium compounds on thermal decomposition of AN. Each additive was mixed with AN to create samples with AN:magnesium compound mass ratios of 4:1, 9:1 and 49:1. Most of analyzed compounds enhanced thermal stability of ammonium nitrate, increasing the temperature of the beginning of exothermic decomposition and decreasing the amount of generated heat. Magnesium chloride hexahydrate was determined to accelerate the decomposition of AN while magnesium sulphate, sulphate heptahydrate, nitrate hexahydrate together with magnesite and dolomite minerals were defined as inhibiting agents.

[O71] Study of thermal stability of advanced thermoelectrics by means of thermal analysis and Knudsen effusion mass spectrometry

Calphad ◽  
2015 ◽  
Vol 51 ◽  
pp. 367
Author(s):  
Pavel Broz ◽  
Frantisek Zelenka ◽  
Jan Vřešťál ◽  
Jiri Bursik ◽  
Isolde Zeiringer ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Thermal Stability ◽  
Thermal Analysis ◽  
Knudsen Effusion ◽  
Knudsen Effusion Mass Spectrometry ◽  
Thermal Stability Of

Zeolites Fit For A Crown: Probing Host-Guest Interactions with Thermogravimetric Methods

2018 ◽  
Author(s):  
Asel Sartbaeva ◽  
Paul R. Raithby ◽  
Remi Castaing ◽  
Antony Nearchou
Keyword(s):  
Mass Spectrometry ◽  
Thermal Analysis ◽  
Differential Thermal Analysis ◽  
Petrochemical Industry ◽  
Rational Use ◽  
New Methodologies ◽  
First Time ◽  
Kinetics Of

Through a combination of thermogravimetry, mass spectrometry and differential thermal analysis, we demonstrate for the first time that all four zeolites show experimental differences in their host-guest interactions with 18C6. In addition, we have estimated the kinetics of 18C6 decomposition, which is a technique that has not been applied to zeolites previously. Using these findings as a toolkit, a more rational use of OSDAs can be utilised to prepare designer zeolites. Furthermore, the new methodologies presented herein can be applied to current zeolites, such as MFI-type zeolites used in the petrochemical industry.

Study of thermal stability of n-type skutterudites Sr0.07Ba0.07Yb0.07Co4Sb12 by differential thermal analysis and Knudsen effusion method

Calphad ◽  
2021 ◽  
Vol 73 ◽  
pp. 102258
Author(s):  
František Zelenka ◽  
Jakub Strádal ◽  
Pavel Brož ◽  
Jan Vřešťál ◽  
Jiří Buršík ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Thermal Analysis ◽  
Differential Thermal Analysis ◽  
Knudsen Effusion ◽  
Knudsen Effusion Method ◽  
Effusion Method ◽  
Thermal Stability Of

Organic solvent-free synthesis of phosphorus-containing polymers

2007 ◽  
Vol 79 (11) ◽  
pp. 1879-1884 ◽  
Author(s):  
Smaranda Iliescu ◽  
Gheorghe Ilia ◽  
Aurelia Pascariu ◽  
Adriana Popa ◽  
Nicoleta Plesu
Keyword(s):  
Thermal Stability ◽  
Thermal Analysis ◽  
Bisphenol A ◽  
Organic Solvent ◽  
Molar Mass ◽  
Interfacial Polycondensation ◽  
H Nmr ◽  
Phosphorus Containing ◽  
Solvent Free Synthesis ◽  
Thermal Stability Of

Direct, efficient, organic solvent- and catalyst-free synthesis of a series of polyphosphates was accomplished. The reaction involved a gas-liquid interfacial polycondensation between arylphosphoric dichlorides and bisphenol A. The polyphosphates were characterized by IR, 1H NMR, 31P NMR, inherent viscosity, thermal analysis, and molar mass. Yields in the range 70-90 % and inherent viscosities in the range 0.30-0.40 dl/g were obtained. The thermal stability of the polyphosphates was investigated by using thermogravimetry.

Molecular Insights into the Thermal Stability of mAbs with Variable-Temperature Ion-Mobility Mass Spectrometry

ChemBioChem ◽  
2015 ◽  
Vol 17 (1) ◽  
pp. 46-51 ◽  
Author(s):  
Kamila J. Pacholarz ◽  
Shirley J. Peters ◽  
Rachel A. Garlish ◽  
Alistair J. Henry ◽  
Richard J. Taylor ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Thermal Stability ◽  
Ion Mobility ◽  
Variable Temperature ◽  
Ion Mobility Mass Spectrometry ◽  
Thermal Stability Of
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