The impact of uncertainty in the elemental composition of the certified reference material on gamma spectrometry

Miller, Maurice; Voutchkov, Mitko

doi:10.1007/s10967-013-2781-7

Cited by 6 publications

(2 citation statements)

References 12 publications

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“…Bauxite, commonly referred to as red mud, is an industrial waste product from alumina (Al2O3) production (Borra et al 2016). Bauxite is a mixture of various minerals with residual metal oxides of Al, Fe, and Si as characterized through XRD, TGA, and gamma spectroscopy (Earnest et al 2018;Miller and Voutchkov 2014). Currently, the waste is collected in landfills with environmental concerns of toxicity and pollution of the surrounding soils and rivers (Mayes et al 2011).…”

Section: Structural and Magnetic Characterization Of Bauxitementioning

confidence: 99%

Magnetorheological composite materials (MRCMs) for instant and adaptable structural control

Thornell¹,

Weiss²,

Williams³

et al. 2020

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Magnetic responsive materials can be used in a variety of applications. For structural applications, the ability to create tunable moduli from relatively soft materials with applied electromagnetic stimuli can be advantageous for light-weight protection. This study investigated magnetorheological composite materials involving carbonyl iron particles (CIP) embedded into two different systems. The first material system was a model cementitious system of CIP and kaolinite clay dispersed in mineral oil. The magnetorheological behaviors were investigated by using parallel plates with an attached magnetic accessory to evaluate deformations up to 1 T. The yield stress of these slurries was measured by using rotational and oscillatory experiments and was found to be controllable based on CIP loading and magnetic field strength with yield stresses ranging from 10 to 104 Pa. The second material system utilized a polystyrene-butadiene rubber solvent-cast films with CIP embedded. The flexible matrix can stiffen and become rigid when an external field is applied. For CIP loadings of 8% and 17% vol %, the storage modulus response for each loading stiffened by 22% and 74%, respectively.

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Section: Structural and Magnetic Characterization Of Bauxitementioning

confidence: 99%

Magnetorheological composite materials (MRCMs) for instant and adaptable structural control

Thornell¹,

Weiss²,

Williams³

et al. 2020

View full text Add to dashboard Cite

show abstract

“…When using CRMs, however, particular attention must be paid to the presence of interfering radionuclides which should be accurately investigated [4]. Moreover, the self-attenuation due to sample matrix and density can give non-negligible effects [1,4,5].…”

Section: Introductionmentioning

confidence: 99%

Calibration of HPGe detectors using certified reference materials of natural origin

Xhixha

Albéri

Baldoncini

et al. 2015

J Radioanal Nucl Chem

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The feasibility of using certified reference\ud materials for the full energy efficiency calibration of p-type\ud coaxial high-purity germanium detectors for the determination\ud of radioactivity in environmental samples is discussed.\ud The main sources of uncertainty are studied and the\ud contributions to the total uncertainty budget for the most\ud intense gamma lines are presented. The correction factors\ud due to self-absorption and true coincidence summing\ud effects are discussed in detail. The calibration procedure is\ud validated for natural and artificial radionuclide determination\ud in different matrices through an internal cross-validation\ud and through the participation in a world-wide open\ud proficiency test

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Evaluation of gamma activities of naturally occurring radioactive materials in uncontaminated surface soils of Jamaica

Miller

Voutchkov

2014

J Radioanal Nucl Chem

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The impact of uncertainty in the elemental composition of the certified reference material on gamma spectrometry

Cited by 6 publications

References 12 publications

Magnetorheological composite materials (MRCMs) for instant and adaptable structural control

Magnetorheological composite materials (MRCMs) for instant and adaptable structural control

Calibration of HPGe detectors using certified reference materials of natural origin

Evaluation of gamma activities of naturally occurring radioactive materials in uncontaminated surface soils of Jamaica

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