Thermal, FTIR and Raman spectral analysis of Cu(II)-doped lead iodate crystals

Girase, K. D.; Sawant, D. K.; Patil, H. M.; Bhavsar, D. S.

doi:10.1007/s10973-012-2255-0

Cited by 5 publications

(4 citation statements)

References 7 publications

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“…The mass loss, up to about 150°C can be attributed to the water molecules loss and the observed mass loss from about 150 to 260°C may be due to the residual SA decomposition and to the condensation of the IO 3 group into I 2 O 5 (Liu et al, 2008 ). The decomposition in the range of about 300–700°C can be associated to oxygen and iodine loss, in the sodium iodate hydrate phase (Girase, 2013 ).…”

Section: Resultsmentioning

confidence: 99%

A New Porous Hybrid Material Derived From Silica Fume and Alginate for Sustainable Pollutants Reduction

et al. 2018

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In this work a new mesoporous adsorbent material obtained from a natural, high abundant raw material and a high volume industrial by-product is presented. The material is consolidated by the gelling properties of alginate and by decomposition of sodium-bicarbonate controlled porosity at low temperatures (70–80°C) at different scale lengths. The structural, thermal, and morphological characterization shows that the material is a mesoporous organic-inorganic hybrid. The material is tested as adsorbent, showing high performances. Methylene blue, used as model pollutant, can be adsorbed and removed from aqueous solutions even at a high concentration with efficiency up to 94%. By coating the material with a 100 nm thin film of titania, good photodegradation performance (more than 20%) can be imparted. Based on embodied energy and carbon footprint of its primary production, the sustainability of the new obtained material is evaluated and quantified in respect to activated carbon as well. It is shown that the new proposed material has an embodied energy lower than one order of magnitude in respect to the one of activated carbon, which represents the gold standards. The versatility of the new material is also demonstrated in terms of its design and manufacturing possibilities In addition, this material can be printed in 3D. Finally, preliminary results about its ability to capture diesel exhaust particulate matter are reported. The sample exposed to diesel contains a large amount of carbon in its surface. At the best of our knowledge, this is the first time that hybrid porous materials are proposed as a new class of sustainable materials, produced to reduce pollutants in the wastewaters and in the atmosphere.

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Section: Resultsmentioning

confidence: 99%

A New Porous Hybrid Material Derived From Silica Fume and Alginate for Sustainable Pollutants Reduction

et al. 2018

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“…S8. † [70][71][72] Meanwhile, the adsorption results also conrmed that inorganic ligands had a high affinity for the sand grain surfaces (Table S4 †). In this case, competitive deposition between TC molecules and ligand ions for the surface effective sites contributed to the enhanced mobility of TC by ligands.…”

Section: Effects Of Inorganic Ligands On the Transport Of Tc Under Di...mentioning

confidence: 88%

Transport of tetracycline in saturated porous media: combined functions of inorganic ligands and solution pH

Wei

Zhang

Jin

et al. 2022

Environ. Sci.: Processes Impacts

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“…3]. Most other bands in the spectrum are probably attributable to the various stretching and bending modes of the iodate group (see Schellenschläger et al , 2001; Girase et al , 2013). In Fig.…”

Section: Raman Spectroscopymentioning

confidence: 99%

Pohlite, a new lead iodate hydroxide chloride from Sierra Gorda, Chile

Kampf

Harlow

2022

MinMag

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The new mineral pohlite (IMA2022-043), Pb7(IO3)(OH)4Cl9, was found at the La Compania mine, Sierra Gorda, Antofagasta Province, Antofagasta, Chile, where it occurs in cavities in an oxidized portion of a quartz vein in association with massive aragonite and anhydrite. Pohlite crystals are transparent, colourless to pale gray, blades, up to 4 mm in length. The mineral has white streak, adamantine lustre and is nonfluorescent. It is brittle with irregular, conchoidal fracture. The Mohs hardness is ~2½ and it has no cleavage. The calculated density is 5.838(2) g cm -3 . Optically, the mineral is biaxial (+) with α < 2.01(est.), β = 2.02 (calc.), γ = 2.05 (calc.); 2V = 60(5)°; moderate r > v dispersion; orientation: Y ^ a ≈

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Thermal, FTIR and Raman spectral analysis of Cu(II)-doped lead iodate crystals

Cited by 5 publications

References 7 publications

A New Porous Hybrid Material Derived From Silica Fume and Alginate for Sustainable Pollutants Reduction

A New Porous Hybrid Material Derived From Silica Fume and Alginate for Sustainable Pollutants Reduction

Transport of tetracycline in saturated porous media: combined functions of inorganic ligands and solution pH

Pohlite, a new lead iodate hydroxide chloride from Sierra Gorda, Chile

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