Extremely Wide Dynamic Range, High-Resolution Particle Sizing by Light Scattering

Bott, Steven; Hart, W. H.

doi:10.1021/bk-1991-0472.ch007

Cited by 8 publications

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“…However, the size distribution was close to the lower limit of the range of the equipment used for the analysis, so it is possible that the particle sizes were somewhat smaller, as indicated by SEM images (Figure ). Light scattering methods generally bias toward any larger sized particles . Evidently, calcite precipitating from the solution of dissolved steel converter slag and acetic acid with the help of sodium hydroxide at low temperature (∼30 °C) has a rhombohedral particle shape, very high brightness, and small particle sizes.…”

Section: Resultsmentioning

confidence: 99%

“…Light scattering methods generally bias toward any larger sized particles. 16 Evidently, calcite precipitating from the solution of dissolved steel converter slag and acetic acid with the help of sodium hydroxide at low temperature (∼30 °C) has a rhombohedral particle shape, very high brightness, and small particle sizes.…”

Section: Table 3 Amounts Of Steel Converter Slag and Acetic Acid Used...mentioning

confidence: 99%

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Steel Converter Slag as a Raw Material for Precipitation of Pure Calcium Carbonate

Eloneva

Teir

Salminen

et al. 2008

Ind. Eng. Chem. Res.

141

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In this work we study the possibility of utilizing steel converter slag, a byproduct of steel manufacturing, for production of pure calcium carbonate. The dissolution of calcium from steel converter slag by using acetic acid as a solvent and the precipitation of pure calcium carbonate from the resulting solution were experimentally investigated. It was found that, while strong solutions of acetic acid dissolve most of the calcium from the slag, weak acetic acid solutions dissolve calcium selectively. Precipitation of any substantial amount of calcium carbonate was found to require the addition of sodium hydroxide. Calcium conversion from the solution into the precipitate was as high as 86%, and the purity of the precipitate was over 99%. The calcium carbonate particles produced at low temperatures were found to have rhombohedral particle shapes, a very high brightness (98.7%), and a small particle size (mean value of 0.6 µm).

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Section: Resultsmentioning

confidence: 99%

Section: Table 3 Amounts Of Steel Converter Slag and Acetic Acid Used...mentioning

confidence: 99%

Steel Converter Slag as a Raw Material for Precipitation of Pure Calcium Carbonate

Eloneva

Teir

Salminen

et al. 2008

Ind. Eng. Chem. Res.

141

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“…PIDS is claimed to be especially sensitive for scattering caused by the smallest particles (Bott and Hart, 1991). The polarized light of three different wavelengths is scattered by the sample and recorded at six different angles.…”

Section: Polarization Intensity Differential Scatteringmentioning

confidence: 99%

Experimental Methodologies for the Characterization of Nanoparticles

Singh

2016

Engineered Nanoparticles

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“…Errors may be introduced into calculations of particle size from scattered-light data depending on the number of detectors used, how well the detectors are placed to receive the scattered light, and the proprietary details of the calculations. For instance, if the instrument design is not appropriate for very small particles, the results may contain false peaks in the PSDs (Bott and Hart 1991). The optics of the HoribaN Model LA-910 are designed to measure particles with diameters ranging from 0.02 pm to 1020 p. This range exceeds that of any other instrument discussed in this document.…”

Section: Instrument Designmentioning

confidence: 99%

Assessment of Available Particle Size Data to Support an Analysis of the Waste Feed Delivery System Transfer System

Jewett¹

2000

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Available data pertaining to size distribution of the particulates in Hanford underground tank waste have been reviewed. Although considerable differences exist between measurement methods, it may be stated with 95% confidence that the median particle size does not exceed 275 pm in at least 95% of the ten tanks selected as sources of HLW feed for Phase 1 vitrification in the RPP. This particle size is recommended as a design basis for the WFD transfer system. TRADEMARK DISCLAIMER. Reference herein to any specific mmerciai product, process. or service by trade name. trademark. manufacturer, or otherwlse, does not necessarily constitute or imply its endorsement, recMMnendauOn, n favoring by the United States Government or any agency thereof or its contractors or subcontractors.

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Extremely Wide Dynamic Range, High-Resolution Particle Sizing by Light Scattering

Cited by 8 publications

References 0 publications

Steel Converter Slag as a Raw Material for Precipitation of Pure Calcium Carbonate

Steel Converter Slag as a Raw Material for Precipitation of Pure Calcium Carbonate

Experimental Methodologies for the Characterization of Nanoparticles

Assessment of Available Particle Size Data to Support an Analysis of the Waste Feed Delivery System Transfer System

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