Results 111 to 120 of about 5,286,924 (174)

Revaluing optical techniques in the light of vortex- and ultrasound-assisted microextraction

open access: yesAdvances in Sample Preparation
The main objective of this review is to provide an overview of the coupling between microextraction techniques (mainly based on the use of vortex and ultrasound) and different optical techniques in order to demonstrate that their combination can be a ...
Natalia A. Gomez   +7 more
doaj   +1 more source

Green solvent microextraction

open access: yes
Nowadays, green analytical chemistry plays an important role in the field of analytical chemistry to minimize the use of solvents and other factors (e.g., time for preparation of each sample, sample volume, and solvent volume), which could increase ...
R. Pirro   +13 more
core   +1 more source

Classification of sheep category using chemical analysis and statistical classification algorithms [PDF]

open access: yes, 2011
In Australia, dentition (eruption of permanent incisors) is used as a proxy for age to define sheep meat quality. Lamb is defined as having no permanent incisors, hogget as having at least one incisor and mutton is defined as having two or more incisors.
Watkins, Peter
core  

Ionic liquids in microextraction techniques

open access: yesOpen Chemistry, 2012
Vičkačkaitė Vida, Padarauskas Audrius
doaj   +1 more source

Recent Advances in Dispersive Liquid-Liquid Microextraction for Organic Compounds Analysis in Environmental Water: A Review

open access: yes, 2012
Dispersive liquid-liquid microextraction (DLLME) is a novel microextraction technique with a great potential in sample pretreatment, which has been increasingly used for preconcentration of diverse analytes.
Chen, Lingxin, Ma, Jiping, Lu, Wenhui
core  

Application of various microextraction techniques for essential oils analysis in herbs

open access: yes, 2008
Diplomová práce se zabývá analýzou silic s využitím mikroextrakčních technik a destilace s vodní parou. Pro analýzu extraktů byla využita plynová chromatografie s plamenově – ionizačním detektorem.
Korčáková, Jitka
core   +1 more source

Novel microextraction techniques in pretreatment of complex samples

open access: yes, 2015
Fundamental considerations and practical applications of various microextraction techniques for pretreatment of samples with complex matrices are summarized in this lecture.
Kubáň, Pavel
core  

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