Simultaneous Determination of REEs in Coal Samples Using the Combination of Microwave-Assisted Ashing and Ultrasound-Assisted Extraction Methods Followed by ICP-OES Analysis

A Comprehensive Review of Rare Earth Elements Recovery from Coal-Related Materials

(2020) Wencai Zhang et al.   Minerals

Optimization of ultrasound‐assisted solvent extraction of hemp ( Cannabis sativa L.) seed oil using RSM: Evaluation of oxidative stability and physicochemical properties of oil

(2020) Reza Esmaeilzadeh Kenari et al.   Food Science & Nutrition

An improved microwave assisted sequential extraction method followed by spectrometric analysis for metal distribution determination in South African coal samples

(2020) Nomvano Mketo et al.   Scientific Reports

Study on the determination of rare earth elements in coal ash by ICP-MS

(2019) Shu Wu et al.   INTEGRATED FERROELECTRICS

Feasibility of Rare Earth Element Determination in Low Concentration in Crude Oil: Direct Sampling Electrothermal Vaporization-Inductively Coupled Plasma Mass Spectrometry

(2018) Jussiane Souza Silva et al.   ANALYTICAL CHEMISTRY

Study on Influence Factors of Leaching of Rare Earth Elements from Coal Fly Ash

(2018) Shanshan Cao et al.   ENERGY & FUELS

Determination of Eu concentrations in coal, fly ash and sedimentary rocks using a cation exchange resin and inductively coupled plasma mass spectrometry (ICP-MS)

(2018) Xiaoyun Yan et al.   INTERNATIONAL JOURNAL OF COAL GEOLOGY

A greener microwave-assisted extraction method for rapid spectroscopic determination of selected metals in river and freshwater sediment certified reference materials

(2018) Ntombenhle M. Masanabo et al.   INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY

Distribution of rare earth elements in coal combustion fly ash, determined by SHRIMP-RG ion microprobe

(2017) Allan Kolker et al.   INTERNATIONAL JOURNAL OF COAL GEOLOGY

An Improved Ultrasonic-Assisted Extraction Method by Optimizing the Ultrasonic Frequency for Enhancing the Extraction Efficiency of Lycopene from Tomatoes

(2016) Jianqing Liao et al.   Food Analytical Methods

Detection of rare earth elements in Powder River Basin sub-bituminous coal ash using laser-induced breakdown spectroscopy (LIBS)

(2016) Tran X. Phuoc et al.   FUEL

Rare earth element determination in heavy crude oil by USN-ICP-MS after digestion using a microwave-assisted single reaction chamber

(2016) Gabriel T. Druzian et al.   JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY

An innovative microwave-assisted digestion method with diluted hydrogen peroxide for rapid extraction of trace elements in coal samples followed by inductively coupled plasma-mass spectrometry

(2016) Nomvano Mketo et al.   MICROCHEMICAL JOURNAL

Determination of rare earth and concomitant elements in magnesium alloys by inductively coupled plasma optical emission spectrometry

(2016) Juan C. Fariñas et al.   TALANTA

An overview on analytical methods for quantitative determination of multi-element in coal samples

(2016) Nomvano Mketo et al.   TRAC-TRENDS IN ANALYTICAL CHEMISTRY

A simple design for microwave assisted digestion vessel with low reagent consumption suitable for food and environmental samples

(2016) Mehrdad Gholami et al.   Scientific Reports

Multielemental Analysis of Camellia Oil by Microwave Dry Ashing and Inductively Coupled Plasma Mass Spectrometry

(2015) Zhanglin Ni et al.   ANALYTICAL LETTERS

Optimisation of ultrasound-assisted extraction conditions for maximal recovery of active monacolins and removal of toxic citrinin from red yeast rice by a full factorial design coupled with response surface methodology

(2015) Guisheng Zhou et al.   FOOD CHEMISTRY

A rapid microwave-assisted acid extraction method based on the use of diluted HNO3-H2O2followed by ICP-MS analysis for simultaneous determination of trace elements in coal samples

(2015) Nomvano Mketo et al.   INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY

Determination of rare earth elements in graphite by solid sampling electrothermal vaporization-inductively coupled plasma mass spectrometry

(2015) P. A. Mello et al.   JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY

Optimization of ultrasound-assisted extraction of polyphenols from spruce wood bark

(2015) Roxana-Elena Ghitescu et al.   ULTRASONICS SONOCHEMISTRY

Development of a novel and green microwave-assisted hydrogen peroxide digestion method for total sulphur quantitative extraction in coal samples prior to inductively coupled plasma-optical emission spectroscopy and ion-chromatography determination

(2015) Nomvano Mketo et al.   RSC Advances

Microwave-induced combustion of crude oil for further rare earth elements determination by USN–ICP-MS

(2014) J.S.F. Pereira et al.   ANALYTICA CHIMICA ACTA

Simple and Fast Sample Preparation Procedure Prior to Multi-element Analysis of Slim Teas by ICP OES

(2014) Anna Szymczycha-Madeja et al.   Food Analytical Methods

Optimization of Ultrasonic-Assisted Extraction of Cordycepin from Cordyceps militaris Using Orthogonal Experimental Design

(2014) Hsiu-Ju Wang et al.   MOLECULES

Determination of rare earth elements in saline matrices using dispersed particle extraction and inductively coupled plasma mass spectrometry

(2014) Rafael Janski et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Sample preparation methods for subsequent determination of metals and non-metals in crude oil—A review

(2012) Paola A. Mello et al.   ANALYTICA CHIMICA ACTA

Modeling and optimization of ultrasound-assisted extraction of polysaccharide from Cucurbita moschata

(2012) J. Prakash Maran et al.   CARBOHYDRATE POLYMERS

Determination of Rare Earth Elements and Thorium at Nanogram Levels in Ultramafic Samples by Inductively Coupled Plasma-Mass Spectrometry Combined with Chemical Separation and Pre-concentration

(2012) Yali Sun et al.   GEOSTANDARDS AND GEOANALYTICAL RESEARCH

Determination of rare earth elements in Indian kimberlite using inductively coupled plasma mass spectrometer (ICP-MS)

(2012) Sanjukta A. Kumar et al.   JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY

Evaluation of signal-to-background and Mg II/Mg I ratios as response for the optimization of rare earth elements determination by inductively coupled plasma optical emission spectrometry

(2012) Aline K. Guimarães-Silva et al.   JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY

Influence of sonication treatments and extraction solvents on the phenolics and antioxidants in star fruits

(2011) H. V. Annegowda et al.   JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE

Applications of Ultrasound to the Synthesis of Nanostructured Materials

(2010) Jin Ho Bang et al.   ADVANCED MATERIALS

Comparison of inductively coupled plasma spectrometry techniques for the direct determination of rare earth elements in digests from geological samples

(2010) Francisco Ardini et al.   ANALYTICA CHIMICA ACTA

Determination of metals in coal fly ashes using ultrasound-assisted digestion followed by inductively coupled plasma optical emission spectrometry

(2009) Fernanda V.M. Pontes et al.   ANALYTICA CHIMICA ACTA

Optimization of ultrasonic-assisted extraction (UAE) of betulin from white birch bark using response surface methodology

(2008) Qi-he Chen et al.   ULTRASONICS SONOCHEMISTRY