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STUDIES ON THE UPTAKE OF LEAD AND ZINC BY LIGNIN OBTAINED FROM BLACK LIQUOR - A PAPER INDUSTRY WASTE MATERIAL
Abstract Lignin extracted from black liquor ‐ a paper industry waste material, has been characterized and used for the removal of lead and zinc metals. The uptake of lead is found to be greater than… Expand
Amberlite XAD-2 functionalized with o-aminophenol: synthesis and applications as extractant for copper(II), cobalt(II), cadmium(II), nickel(II), zinc(II) and lead(II).
A stable chelating resin matrix was synthesized by covalently linking o-aminophenol with the benzene ring of the polystyrene-divinylbenzene resin, Amberlite XAD-2, through a -NN- group to preconcentrate Cu, Cd, Co, Ni, Zn and Pb, prior to their determination by flame atomic absorption spectrometry. Expand
Amberlite XAD-7 impregnated with Xylenol Orange: a chelating collector for preconcentration of Cd(II), Co(II), Cu(II), Ni(II), Zn(II) and Fe(III) ions prior to their determination by flame AAS
The preconcentration method has been applied to determine the six metal ions in river water samples after destroying the organic matter with concentrated nitric acid and cobalt content of vitamin tablets with RSD of ∼ 3.0%. Expand
Synthesis, characterization and applications of pyrocatechol modified amberlite XAD-2 resin for preconcentration and determination of metal ions in water samples by flame atomic absorption…
The method has been applied to determine all the six metal ions in tap and river water samples and the cobalt content of pharmaceutical vitamin tablets is estimated by FAAS (RSD approximately 2%) after its preconcentration with the present chelating resin. Expand
Effect of citric acid on the hydration of portland cement
Abstract Effect of lactic acid on the hydration of portland cement has been studied by employing various experimental techniques. Results indicate that lactic acid accelerates the hydration contrary… Expand
Thiosalicylic acid-immobilized Amberlite XAD-2: metal sorption behaviour and applications in estimation of metal ions by flame atomic absorption spectrometry.
The newly designed resin quantitatively sorbs CdII, CoII, CuII, FeIII, NiII and ZnII at pH 3.5-7.0 is characterized by elemental analyses, thermogravimetric analysis (TGA) and infrared spectra and the results agree with those quoted by manufacturers. Expand
Superovulatory Response and Embryo Recovery after Treatment with Different Gonadotrophin during Induced Luteal Phase inCamelus dromedarius
- S. Vyas, A. Rai, P. Goswami, A. Singh, M. Sahani, N. Khanna
- Biology, Medicine
- Tropical Animal Health and Production
- 1 August 2004
Superovulation, embryo recovery and transfer were attempted in 19 dromedary camels of about 6–10 years of age, and having calved at least once, resulting in two pregnancies and live births. Expand
Chemistry and pharmacology of genus Sida (Malvaceae) - a review.
Electroanalytical studies on Cu (II) ion-selective sensor of coated pyrolytic graphite electrodes based on N2S2O2 and N2S2O3 heterocyclic benzothiazol ligands.
- A. Singh, M. Sahani, Koteswara Rao Bandi, A. Jain
- Materials Science, Medicine
- Materials science & engineering. C, Materials for…
- 1 August 2014
The sensor has been employed for the estimation of Cu(2+) ion in real samples viz., water, soil and herbal medicinal plants and besides this, the sensor was also used as an indicator electrode in the potentiometric determination of Cu (2+) with EDTA. Expand
Mode of binding of the antithyroid drug propylthiouracil to mammalian haem peroxidases.
- R. P. Singh, A. Singh, +4 authors T. Singh
- Chemistry, Medicine
- Acta crystallographica. Section F, Structural…
- 1 June 2015
The structure of the complex of LPO with PTU has been determined and it showed that PTU binds to LPO in the substrate-binding site on the distal haem side. Expand