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 унших
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 унших
It 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 унших
Syngenetic, 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 унших
Bi-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 унших
Float 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 унших
The 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 унших
SIMPULAN DAN SARAN Logam berat ini: Chromium (Cr), Timbal (Pb), Tembaga (Cu), Zinc (Zn) dan Cadmium (Cd) yang ditemukan pada lokasi penelitian melebihi ambang …
Цааш унших
The 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 унших
Accumulation 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 унших
In 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 унших
Porphyry 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 унших
This 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 унших
The 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 унших
The 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 унших
Determination 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 унших
Methods: 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 унших
If 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 унших
In 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 унших
Exposure 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 унших
Approximate 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 унших
Plots 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 унших
This report for the ternary system Cu-Pb-Zn discusses binary systems, solid phases, invariant equilibria, liquidus surface, isothermal sections, temperature - composition sections, …
Цааш унших
Notably, 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 унших
Magnesium (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 унших
The 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 унших
The 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 унших
Based 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 унших
Insoluble 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 унших
The 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 унших
Cu, 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 унших
The 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 унших
The 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 унших
The 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 унших
A 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 унших
The 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 …
Цааш унших