Properties of acid or alkali treated cadmium pigments

Makarewicz, Edwin; Cysewski, Piotr; Michalik, Agnieszka; Ziółkowska, Dorota

doi:10.1016/j.dyepig.2012.08.004

Cited by 11 publications

(7 citation statements)

References 50 publications

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“…35 Acid and alkali resistance of the pigment was evaluated by earlier reported method. 4 The Fe content in the washing was evaluated further using inductively coupled plasma analysis performed using Perkin Elmer Optima 5300 DV ICP-OES. The water soluble matter in the pigment was determined using ASTM D1208 method.…”

Section: Near Infrared Spectra and Other Characteristicsmentioning

confidence: 99%

“…High temperature calcination also affects quality and performance parameters such as wettability of the powder, ability to adsorb oil alkyds, thermal and chemical stability, etc. [1][2][3][4] Nano-sized pigments are slowly gaining market prominence due to performance features which are far superior to conventional pigments. For instance, scattering from a pigment coated surface is influenced by the surface area of pigment and number of air to pigment interfaces.…”

Section: Introductionmentioning

confidence: 99%

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Effective synthesis route for red-brown pigments based on Ce – Pr – Fe – O and their potential application for near infrared reflective surface coating

2014

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New cerium-based ceramic pigments, displaying Ce 2 Pr 0.2 Fe x O 4.3+y stoichiometry, were obtained at low temperature using a sol-gel method. The powder precursor dissolved in 80% ethylene glycol was precipitated using ammonia and the obtained gel calcined at 800 • C for 2 h to yield homogeneous and crystalline particles with a diameter of around 150 nm. The oxide was composed of cerium in its +4 oxidation state and Pr in its +3 oxidation state. The oxides with varying Fe content had an intense red-brown colour, with bandgap energy of around 2.2 eV at 0.1 mol% Fe doping. The near infra red reflectance from these pigments, a measure of their ability to reflect rather than absorb heat waves from sunlight was found to be 82.7%, even in the absence of a white reflective base. Such high near infra red reflectance from these pigments qualify them for being ideal cool pigments for surface coating applications.

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Section: Near Infrared Spectra and Other Characteristicsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effective synthesis route for red-brown pigments based on Ce – Pr – Fe – O and their potential application for near infrared reflective surface coating

2014

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“…Isoindoline 유도체를 합성하기 위하여 dodecylamine (Alfa Aesar Co., 98%), 4-aminobenzoic acid (Alfa Aesar Co., 99%) 및 dimethyl-5-amino isophthalate (Alfa Aesar Co., 98%)를 모두 정제 없이 그대로 사용하였다. Figure 1의 를 이용하여 계산하고 ⊿E로 표기하였다 [13]. 시료의 분산성은 Zeta potential (ELSZ-1000, Otsuka Electronics, Japan)을 사 용하여 제타 전위를 측정하였다 [14].…”

Section: 출발물질unclassified

Eco-friend Synthesis of Isoindoline Yellow Compound and its Properties

Kim¹,

Kim²,

Yang³

et al. 2015

Applied Chemistry for Engineering

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In this study, to obtain isoindoline compounds with the high thermal resistance and reddish yellow color using an environmental friendly method without the use of any surfactants, isoindoline derivatives with different structures were added at various reaction temperatures for the synthesis and the product was then crystallized by controlling temperatures and times in autoclave. Chemical structures, particle sizes, color differences, and optical properties were evaluated by the means of FT-IR, FE-SEM, UV-Vis spectroscopy, PSA (particle size analyzer) and Zeta potential analyzer. The samples with an enhanced dispersibility, highly thermal resistance, uniform particle sizes were achieved possibly due to the addition of isoindoline derivatives into the crystallization processing mixtures. The color change trend was also observed depending upon synthesis conditions.

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“…Cadmium (Cd) is an important rare element, which is widely used in the production of pigments [ 1 ], phosphors [ 2 ] and photocells [ 3 ]. Because of its strong toxicity, the Cd 2+ ion can cause serious environmental and health issues, including itai-itai disease, lung cancer, renal cancer and prostatic cancer [ 4 , 5 , 6 ].…”

Section: Introductionmentioning

confidence: 99%

A Nanosensor for Naked-Eye Identification and Adsorption of Cadmium Ion Based on Core–Shell Magnetic Nanospheres

Deng

Xiao

et al. 2020

Materials

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Fe3O4@SiO2 nanospheres with a core–shell structure were synthesized and functionalized with bis(2-pyridylmethyl)amine (BPMA). The photoresponses of the as-obtained Fe3O4@SiO2-BPMA for Cr3+, Cd2+, Hg2+ and Pb2+ ions were evaluated through irradiation with a 352 nm ultraviolet lamp, and Fe3O4@SiO2-BPMA exhibited remarkable fluorescence enhancement toward the Cd2+ ion. The adsorption experiments revealed that Fe3O4@SiO2-BPMA had rapid and effective adsorption toward the Cd2+ ion. The adsorption reaction was mostly complete within 30 min, the adsorption efficiency reached 99.3%, and the saturated adsorption amount was 342.5 mg/g based on Langmuir linear fitting. Moreover, Fe3O4@SiO2-BPMA displayed superparamagnetic properties with the saturated magnetization of 20.1 emu/g, and its strong magnetic sensitivity made separation simple and feasible. Our efforts in this work provide a potential magnetic functionalized nanosensor for naked-eye identification and adsorption toward the Cd2+ ion.

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Properties of acid or alkali treated cadmium pigments

Cited by 11 publications

References 50 publications

Effective synthesis route for red-brown pigments based on Ce – Pr – Fe – O and their potential application for near infrared reflective surface coating

Effective synthesis route for red-brown pigments based on Ce – Pr – Fe – O and their potential application for near infrared reflective surface coating

Eco-friend Synthesis of Isoindoline Yellow Compound and its Properties

A Nanosensor for Naked-Eye Identification and Adsorption of Cadmium Ion Based on Core–Shell Magnetic Nanospheres

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