Synthesis and application of a novel core-shell-shell ...

2017-8-21 · Ion-imprinted polymer (IIP) technology has received considerable attention for its greatest potential application. In this work, a novel magnetic nano ion-imprinted polymer (MIIP) for the selective and sensitive pre-concentration of silver (I) ions were …

[I] XRD

2009-2-28 · 0.05 ng and consistent with the measured total loading blank of 0.04 ng. While, currently, the blank sets a limit of -- 10-log Mg per parti- cle, improved blanks along with the current mass spectrometer sensitivity can certainly permit analysis on -- of Mg corresponding to a particle size of -- 4 um. The data on EK1-4-1 are in agreement with ...

Elevated dust depositions in West Asia linked to ocean ...

2020-8-4 · For X-ray diffraction (XRD) analysis, 12 samples each with about 1 g weight were measured on a Philips X′Pert Pro multipurpose diffractometer equipped with a Cu-tube (k′′ 1.541, 45 kV, 40 mA), a fixed divergence slit of 1/4°, a 16-sample changer, a secondary Ni-Filter, and the …

Characterization of palm kernel shell for materials ...

2015-9-22 · diffraction (XRD) was used to measure PKS crystalinity and to reveal the compositional structure of the sample. XRD patterns were obtained on a Rigaku Rotaflex 200B diffractometer equipped with copper Kα X-ray radiation and a curved crystal graphite …

(PDF) Physical and Chemical Analysis of Outdoor Dust ...

Physical and Chemical Analysis of Outdoor Dust Deposited on Photovoltaic Panels Installed in Rabat. ... (XRD) and X-Ray Fluorescence Analysis (XF). ... during the heati ng and cooling phase of the ...

SILICA, CRYSTALLINE, by XRD (filter redeposition) 7500

2018-10-11 · Prepare area dust sample or settled dust bulk sample for XRD analysis by mounting the col lect ion sample d irectl y on a n XRD sam ple ho lder, or by de posit ing or redeposi ting the dust on another filter for mounting, or by packing an X RD powde r …

Isolation and characterization of cellulose and α ...

2019-12-24 · 2.3.5 X-ray diffraction (XRD) analysis The degrees of crystallinity of the isolated cellulose and α-cellulose were determined by the X-ray diffraction method. The samples were scanned using Cu K radiation with the parameters of the working lamp set as follows: v = …

Powder Diffraction Journal – Volume 34 – ICDD

Powder Diffraction – Vol. 34 Number 3 – Supplement 1 – September 2019. Abstracts, Editorials, and International Reports from Powder Diffraction are now available online free of charge. To view the abstracts with option to purchase articles or login if you have a …

INTRODUCING CEMENT KILN DUST AS A …

2018-7-17 · 3.4.5 X-ray Diffraction (XRD) 41 3.4.6 Loss On Ignition (LOI) 42 3.4.7 Thermogravimetric Analysis (TGA) 43 3.4.8 Fourier Transform Infrared Spectroscopy (FTIR) 44 3.5 Early-age Behaviours of Cement Kiln Dust (CKD) 45 3.5.1 Standard Consistency Test (SCT) and Setting Time Tests (STT) 47 4 DATA AND ANALYSIS 50 4.1 Introduction 50

Crystalline microstructure of boehmites studied by multi ...

Figure 5, Tables II and III collect the main results of application of the XRD analysis of crystalline microstructure. The results shown follow from the analysis of the diffraction line profiles corresponding to reflections 020, 120, 031, 131, 220, 151, and 080 (from B0 samples) or 020, 120, 031, 151, and 080 (from BM and BT samples).

Study on regeneration of spent activated carbon by using …

2017-3-2 · The XRD pattern of the RAC by MRM at 900°C was shown in Figure 9B. It was matched with that of the spent catalyst XRD pattern (Figure 9 A). The results showed that the peak for carbon (C) is enhanced significantly, and the peaks for both C 49 H 66 O 33, …

XRF Technology | Thermo Fisher Scientific

XRF is an acronym for X-ray fluorescence spectroscopy. XRF is a non-destructive analytical technique used to determine the elemental composition of materials. Handheld XRF analyzers work by measuring the fluorescent (or secondary) X-rays emitted from a sample when excited by a primary X-ray source. Each of the elements present in a sample ...

(PDF) Mineralogy (XRD)

Mineralogy (XRD) May 2021. DOI: 10.1007/978-3-030-66977-5_4. In book: Atlas of Fallen Dust in Kuwait (pp.95-119) Projects: Health Impacts of PM10 - Morbidity and Mortality Rates. characterization ...

Dust Agglomeration in an Electrostatic Precipitator ...

2021-6-15 · ABSTRACT Dust agglomeration in an electrostatic precipitator (EP) during the sintering process taking place in an ironmaking plant was investigated. The dust agglomeration in the high sulfur flue gas dust hopper of the EP was very serious and did affect the removal of the dust from the hopper. The size of the agglomerate ranged from approximately 30–50 cm and was found to exhibit strong ...

A Novel Pathway of Atmospheric Sulfate Formation …

2021-8-2 · 1 A Novel Pathway of Atmospheric Sulfate Formation Through Carbonate Radical Yangyang Liu 1,2, Yue Deng 1,2, Jiarong Liu 3, Xiaozhong Fang 1, Tao Wang 1, Kejian Li 1, Kedong Gong 1, Aziz U. Bacha 1, Iqra Nabi 1, Xiuhui Zhang 3, Christian George 4, and Liwu Zhang 1,2 5 1Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, Department of Environmental Science and

Mineralogical and geochemical compositions of the eolian ...

2005-2-12 · The extracted eolian dust samples were freeze-dried for the future analysis and inspected with SEM to make sure of the near complete removal of undesired components. [13] An XRD analysis for the eolian dust fraction revealed mineral composition not significantly different from the bulk counterpart in amounts of smectite and phillipsite.

I N T E R I M R E P O R T

2020-8-24 · mass-ratio plot in internal reference XRD analysis. Figure 3. Calibration curve for quartz quantification by XRD. Figure 4. Meteorological data for Pilot Study. Figure 5. Lidar horizontal scan data: (a) horizontal scans (b) fugitive dust plume vectors (c) plume relative intensities and orientations of plume centerlines originating from Main Plant.

6. ANALYTICAL METHODS

2012-1-20 · X-ray diffraction (XRD) phase analysis in conjunction with x-ray florescence (XRF) elemental analysis is an extremely effective method for characterizing waste incineration by-products, particularly crankcase oil incineration residues. XRD is a useful technique for determining the phase of the

Persistent Provenance of South Asian Monsoon‐Induced ...

2021-2-17 · A centrifuge based Atterberg method was used to separate the clay-size fraction (<2 µm) which was confirmed by analyzing a subset of samples with a laser diffraction particle size analyzer (Beckman Coulter) LS I3 320. Finally, the separated clay samples were freeze-dried before total dissolution or X-Ray Diffractometer (XRD) analysis.

Lead Speciation in House Dust from Canadian Urban …

2019-12-12 · X-ray absorption fine-structure (XAFS) spectroscopy, micro-X-ray fluorescence (μXRF), and micro-X-ray diffraction (μXRD) were used to determine the speciation of Pb in house dust samples from four Canadian urban homes having elevated Pb concentrations (>1000 mg Pb kg–1). Linear combination fitting of the XAFS data, supported by μXRF and μXRD, shows that Pb is complexed in a variety of ...

XRD, AFM, IR and TGA study of nanostructured …

2015-6-24 · 2. XRD, AFM, IR and TGA Study of Nanostructured Hydroxyapatite ly8h and ly69h respectively). The synthesis procedure was adjusted in order to produce materials with very small particle size. To study the effect of temperature on crystallization the …

Comparison of Direct (X-Ray Diffraction and Infrared ...

Abstract. In this work, the potentiality of two-dimensional X-ray diffraction (XRD 2) to characterise aerosol particles collected on commercial glass filters is presented deed, even if routine analysis usually requires only mass determination, and rarely chemical composition, phase determination is fundamental to recognize the primary or secondary origin of the particulate matter and thus to ...

DETERMINATION OF PARTICLE SIZE DISTRIBUTION …

2016-5-18 · rapidly, however, with a reduction in the density of the dust or its concentration in the suspending liquid. The low density of flour dust made concentration of at least 5 per cent by volume necessary in order to obtain measurable pressure changes. As will be shown later, about 2 per cent by volume is the highest concen­

Comparison of Quartz Standards for X-ray Diffraction ...

2021-8-15 · (a) XRF analysis, (b) XRD pattern and (c) EDS mapping of the roasted residue (M H 2 S O 4 = 0.10 mL/g, M ASR = 45.00%, T = 300 °C, t = 3 h). Arsenic is eventually recovered as As 2 O 3 from gas phase based on the low solubility of As 2 O 3 in cold water, as the solubility of arsenolite is 0.148 (mol As/kg of water) and claudetite is 0.135 (mol ...

Strength and microstructural behaviour of concrete ...

2021-2-16 · The EDS analysis confirmed the presence of various hydration products, while the XRD analysis indicated that the L25 samples had additional peaks of tobermorite and xonotlite. The results of TGA are also in agreement with the assertion. Keywords: Laterite sand, M-Sand, strength, microstructure, thermogravimetric analysis. Introduction

Characterization and metals fractionation of street dust ...

2021-9-20 · , Dust, Tehran INTRODUCTION Street dust is one of the sources of heavy metals that may o riginate from either anthropogenic such as high vehicle traffic volumes, building materials, fuel burnings, corrosion of different parts of dvehicle (e.g. tires, batteries, and …

Assessment of mineralogical and chemical properties of ...

2020-9-1 · One dust storm that reached Iraq on 19 May 2017 affected three cities (Baiji, Ramadi and Khanaqin). Separate HYSPLIT backward trajectory analysis from each city showed that the likely source areas of the dust storm were the Syrian Desert and the Al Jazeera and Western Deserts in Iraq (Fig. 2d–f). The An-Nafud Desert in Saudi Arabia was an additional source for Khanaqin (Fig. 2e), and …

Johnny Adukwu

Functionalizing dust with hydrogen sulfide solution. Carrying out SEM, EDS, XRD, and FTIR analysis of fuctionalized dust. Measurement of contact angle of normal and functionalized dust. Carrying out droplet impact and dust removal analysis on different kind of surfaces such as glass, carbonate, and PDMS using high speed camera.

Morphology and mineralogy of ambient particulate matter ...

2021-1-14 · Ambient particulate matter (PM), collected during a dust event over mid-Brahmaputra Valley of India, was characterized. The PM samples were analyzed using scanning electron microscopy–energy-dispersive X-ray spectroscopy (SEM–EDX), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR) techniques. The SEM micrographs revealed varied shapes of the PM, viz. …

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