A practical methodology to measure unbiased gas chromatographic retention factor vs. temperature relationships
نویسندگان
چکیده
منابع مشابه
Molecular structure retention relationships in comprehensive two-dimensional gas chromatography.
Comprehensive two-dimensional gas chromatography (GC x GC) offers new opportunities to develop relationships between molecular structure and retentions in the two dimensional (2D) separation space defined by the GC x GC retention in each dimension. Whereas single dimension GC provides only one retention property for a solute, and hence the specific relationship between retention and chemical pr...
متن کاملDeveloping a Novel Temperature Model in Gas Lifted Wells to Enhance the Gas Lift Design
In the continuous gas lift operation, compressed gas is injected into the lower section of tubing through annulus. The produced liquid flow rate is a function of gas injection rate and injection depth. All the equations to determine depth of injection assumes constant density for gas based on an average temperature of surface and bottomhole that decreases the accuracy of gas lift design. Also g...
متن کاملA methodology to measure the software process
This paper proposes a method to measure the software process that is based on a model of the software process. Object oriented concepts and techniques are used to build the model, measures are defined as an extension of the model. The method consists of 1) modelling the software process using an object oriented formalism, 2) defining goals for the project, 3) formalizing goals in process measur...
متن کاملA Practical Methodology
A methodology was developed to analyze components of all positions in the library system at the University of Iowa in order to identify staffing needs. Current job activities and levels were examined, and staff were asked to indicate how the activities making up their positions might change over the next three to five years-the time period for the full implementation of OASIS, the automated lib...
متن کاملGas-liquid chromatographic determination
A method for the determination of total bile acids in human feces that is suitable for routine application is described and discussed. Bile acids are extracted from freezedried feces with acetic acid and toluene, in the presence of the i?ternal standard 23-nordeoxycholic acid. After saponification of the extract, bile acids and the internal standard are methylated and converted by mild chromic ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Chromatography A
سال: 2014
ISSN: 0021-9673
DOI: 10.1016/j.chroma.2014.11.018