The isotopic composition correlations for Cu (p < 0.01, r = −0.48), Zn (p < 0.01, r = −0.71) and Pb (p < 0.01, −0.78) concentrations were all negative and the δ 65 Cu, δ 66 Zn and …
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The isotopic composition correlations for Cu (p < 0.01, r = −0.48), Zn (p < 0.01, r = −0.71) and Pb (p < 0.01, −0.78) concentrations were all negative and the δ 65 Cu, δ 66 Zn and …
Цааш уншихIt is widely recognized that the overuse of fertilizers and pesticides contributes to heavy metal contamination in the soil. Indeed, fertilizers may contain traces of heavy metals …
Цааш уншихSyngenetic, diagenetic and epigenetic models have been proposed for the Cu-Zn-Pb Kupferschiefer mineralization at Sangerhausen, Germany. Paleomagnetic and rock magnetic measurements have been made on 205 specimens from …
Цааш уншихBi-plots of Cu, Zn, and Pb isotopic compositions indicated that tires can be clearly discriminated from natural-origin and other non-exhaust traffic emission sources. The multi …
Цааш уншихFloat Metals One-by-One Selectively: Since our objective is to sequentially float Copper, then Lead, than Zinc while rejecting Pyrite, let us explore how we can separate …
Цааш уншихThe average contents of heavy metals Cu, Zn, As and Pb in the soil of the Erqisi River Basin were 52.827, 471.320, 11.697 and 46.533 mg/kg, which were higher than the …
Цааш уншихSIMPULAN DAN SARAN Logam berat ini: Chromium (Cr), Timbal (Pb), Tembaga (Cu), Zinc (Zn) dan Cadmium (Cd) yang ditemukan pada lokasi penelitian melebihi ambang …
Цааш уншихThe Pusangguo deposit (1.42 Mt @ 1.42% Cu, 0.14 Mt @ 1.82% Zn, 0.08 Mt @ 1.01% Pb, and 285.8 t Co @ 140 g/t Co) is the first Co-rich Cu-Zn-Pb skarn deposit discovered in the Gangdese metallogenic belt. …
Цааш уншихAccumulation of Pb-Zn-Cu at Tiemurt experienced Devonian subduction and Permian-Triassic continental collision. The Tiemurt Pb-Zn-Cu deposit (metal reserve: 0.29 Mt …
Цааш уншихIn addition, various reactive functional groups present in humic substances are known to form strong complexes with metal contaminants such as Cu, Zn, Pb, and Hg, making …
Цааш уншихPorphyry mineral systems (incl. porphyry, skarn, and epithermal deposits) are the world's most important source of Cu, Au, Re, and Mo, and supply a substantial part of other …
Цааш уншихThis paper presents the first tests of Cu (7875 mg/kg), Pb (1414 mg/kg) and Zn (566 mg/kg) removal from contaminated soil with sewage-sludge–derived washing agents (SS_WAs) …
Цааш уншихThe analysis of Cd, Cu, Pb, and Zn were performed by ICP-OES (Varian, 710-ES) in μg/kg. To control the accuracy of the experiment, a multi-element standard solution (Merck) …
Цааш уншихThe Southern Permian basin in central Europe contains a number of important high-grade sediment-hosted Cu deposits. Laterally extensive stratabound Cu and Zn-Pb sulfide …
Цааш уншихDetermination of the metals (Cu, Zn, Cd, and Pb) concentrations in the plant and sediment samples was done using inductively coupled plasma optic emission spectroscopy (ICP-OES) …
Цааш уншихMethods: The blood levels of lead (Pb), cadmium (Cd), mercury (Hg), selenium (Se), copper (Cu) and zinc (Zn) and the results of the cognitive function tests were extracted …
Цааш уншихIf you suspect a high Zn/Cu ratio in your hair or are experiencing symptoms related to zinc or copper imbalance, it's important to consult a medical professional for proper evaluation and guidance. They can conduct blood …
Цааш уншихIn this preliminary study, we used atomic absorption spectrophotometry to measure the levels of four heavy metals (Cu, Zn, Cd, and Pb) in blood serum of COPD patients and controls over 2 …
Цааш уншихExposure to the 6 heavy metals combined showed a positive linear association with IRT, DRT, and a negative linear association with DSST. An interaction between Cd and …
Цааш уншихApproximate element partitioning in soil solid phases. Cr spinel 730 C. Néel et al. / Applied Geochemistry 22 (2007) 724–735 A1 Horizon (0-8 cm) A2 Horizon (8-24 cm) CHC DW SPP …
Цааш уншихPlots of δ 66 Zn vs δ 65 Cu, 206 Pb/ 207 Pb vs δ 65 Cu, and 206 Pb/ 207 Pb vs δ 66 Zn of this study. The bi-plots between Pb isotopes and either Cu isotope or Zn isotopes are …
Цааш уншихThis report for the ternary system Cu-Pb-Zn discusses binary systems, solid phases, invariant equilibria, liquidus surface, isothermal sections, temperature - composition sections, …
Цааш уншихNotably, crab roe displays significant concentrations of Cu, Zn, and As, with elevated levels of Zn and As also detected in other edible parts, in agreement with previous research (Wang et al., …
Цааш уншихMagnesium (Mg) and zinc (Zn) were measured by flame, copper (Cu) by flameless atomic absorption spectrometry, while Selenium (Se) in whole blood was determined using …
Цааш уншихThe F2 fraction of Cd, Pb, Cu, and Zn decreased when applying BM, OS, and BO, which might promote the conversion of the combined form of heavy metals with Fe/Mn and CO …
Цааш уншихThe Observed affinity at pH < 5.5 is Fe >>Cu » Zn > Pb, however, at the highest pH value tested (5.75) the separation of each metal decreases and the order of extraction …
Цааш уншихBased on the current study, the normal reference ranges for the blood Mn were estimated to be 5.80–25.2 μ/L; for blood Cu, 541–1475 μ/L; for blood Zn, 2349–9492 μ/L; for blood Pb, <100 …
Цааш уншихInsoluble M(OH) 2, MCO 3, MSiO 3, MO and MS (M = Pb, Cd, Cu and Zn) exist in geopolymer. M(OH) 2 could be transformed within geopolymer into soluble M(OH) 3 − and …
Цааш уншихThe Tiemurt Pb-Zn-Cu deposit (metal reserve: 0.29 Mt (Pb + Zn) and 0.14 Mt Cu) is hosted in the Kangbutiebao Formation volcanic-sedimentary rocks in the Chinese Altay …
Цааш унших(1) = Cu + Sum of Named Elements 99.5% min. (2) = Cu value includes Ag. (3) = Ni value includes Co. (4) = Cu + Sum of Named Elements 99.7% min. (5) = 0.05% Pb, max. …
Цааш уншихCu, Pb, and Zn levels in the plant and soil material were determined using flame atomic absorption spectroscopy (FAAS)—in accordance with KQ/PB‐16 and KQ/PB‐28 for the plant …
Цааш уншихThe Ayawilca deposit in Pasco, Peru, represents the most significant recent base-metal discovery in the central Andes and one of the largest undeveloped In resources globally. …
Цааш уншихThe Yanshanian (150–120 Ma) is an important period of large-scale Au, Cu, Co, Pb and Zn mineralization in South China (Hua et al., 2005, Mao et al., 2011a, Mao et al., 2011b, …
Цааш уншихThe initial concentration of metals such as Zn2+, Cr3+, Pb 2+, Cd 2+, Cu 2+ and Fe 3+ were 195, 156, 621, 342, 190 and 168 mg/L which were reduced up to the level of …
Цааш уншихA waste rock dump and a tailings dump are present in the northern area, whereas seepages from the adit and goaf are present in the southern area (Fig. 1).Contaminants in the …
Цааш уншихThe processes of adsorption and desorption of heavy metal ions on sediments is of great significance for water quality conservation. To investigate the adsorption and release …
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