scholarly journals Defined Criterion Group Composition Relationship Pause Quantity

2020 ◽  
Author(s):  
Keyword(s):  
Group Composition ◽  
Criterion Group

APPLICATION OF IR SPECTROSCOPY IN THE STUDY OF MINERAL OIL

2017 ◽  
pp. 91-95
Author(s):  
E. I. Grushova ◽  
A. .. Al Razuqi ◽  
E. S. Chaiko ◽  
O. A. Miloserdova
Keyword(s):  
Ir Spectroscopy ◽  
Group Composition ◽  
Mineral Oil ◽  
Vacuum Distillate ◽  
Methyl Tertiary Butyl Ether ◽  
Butyl Ether ◽  
Tertiary Butyl ◽  
Mineral Oils ◽  
Modifying Additive

IR spectroscopy investigated structural and group composition of base mineral oils isolated from the vacuum distillate by selective purification of N-methylpyrrolidone and the low temperature dewaxing in the presence of a solvent. The role of the latter was carried out by the systems acetone - toluene, acetone - methyl tertiary butyl ether, methyl ethyl ketone - toluene, acetone - toluene - modifying additive. It was shown that the chemical composition of the group of base oils and slack waxes is defined as the nature of the solvent to the dewaxing, and oils sequence of purification steps.

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