Search or ask a question

Is there a negative correlation between barium and manganese in sediment?

Best insight from top research papers

There is no mention of a negative correlation between barium and manganese in the sediment in the abstracts provided.

Answers from top 5 papers

PDF

Open Access

More filters

Papers (5)	Insight
Journal Article•DOI Marine barite in sediments from deep sea drilling project sites 424 and 424a (Galapagos hydrothermal mounds field) S.P. Varnavas 01 Jan 1987-Marine Chemistry 8 Citations	The paper does not mention a correlation between barium and manganese in sediment.
Open access Diagnóstico de la contaminación por metales pesados en sedimento superficial de la laguna de términos, campeche: una aproximación estadística Yunuen Canedo-López, Alejandro Ruiz-Marin, José Carmito Chi-Ayil - Show less +2 more 06 Aug 2014 5 Citations	The paper does not mention a correlation between barium and manganese in sediment.
Journal Article•DOI Trace metals distribution and their dependence on some physico-chemical parameters in creek sediment Sukanta Maity, Sanjay Kumar Sahu, Gauri Girish Pandit - Show less +2 more 07 Feb 2017-Toxicological & Environmental Chemistry 4 Citations	The paper does not provide information about the correlation between barium and manganese in sediment.
Open access•Journal Article•DOI Relationship between distribution of heavy metals and sedimental condition in the sediment of Osaka Bay Chizuko Nagaoka, Yoshikazu Yamamoto, Sayaka Eguchi, Nobuyuki Miyazaki - Show less +3 more 01 Jan 2004-Nippon Suisan Gakkaishi 18 Citations	Copilot couldn't generate the response. Please try again after some time.
Open access•Journal Article Use of suspensions for the determination of manganese, strontium, and barium in soil, sediment, and sludge samples by electrothermal atomic absorption spectrometry Ignacio López-García, Natalia Campillo, Isabel Arnau-Jerez, Manuel Hernández-Córdoba - Show less +3 more 01 Jan 2004-Atomic Spectroscopy 1 Citations	The paper does not provide information about the correlation between barium and manganese in sediment.

My columns

Related Questions

Why is amylase negatively correlated with DOC in sediments?5 answersAmylase activity in sediments is negatively correlated with dissolved organic carbon (DOC) levels due to the influence of sediment characteristics on enzyme activity. Sediment texture plays a crucial role in microbial decomposition processes, affecting the activity of hydrolytic extracellular enzymes like amylase. The presence of starch in sediments stimulates sediment-amylase activity, indicating a link between organic pollutants and enzyme activity. Additionally, microbial abundance and activities in sediments are influenced by factors like particle size distribution, with bacterial biomass negatively correlated with particle size. Therefore, the negative correlation between amylase and DOC levels can be attributed to the complex interplay between sediment characteristics, enzyme activity, and microbial dynamics in sediment ecosystems.

How to separate mp from sediment?4 answersMicroplastics (MPs) can be separated from sediment using density separation methods. Several different solutions have been tested for their efficiency in extracting MPs from sediment. Sodium polytungstate, potassium formate water solution, and salt solutions such as sodium chloride (NaCl), sodium iodide (NaI), calcium chloride (CaCl2), and zinc chloride (ZnCl2) have been used as separation agents. These solutions are added to the sediment and stirred to separate the lighter MPs from the heavier sediment particles. The suspended solids are then collected and filtered to isolate the MPs. Different shapes and sizes of MPs may require different separation techniques. The efficiency of the separation methods can vary depending on the type of solution used and the polymer composition of the MPs..

Values of background for Ba in sediments?3 answersThe background values for Ba in sediments varied across the different studies. In the Three Gorges Reservoir (TGR) in China, the average concentration of Ba in sediments was 53.98 mg/kg in the mainstream and 90.88 mg/kg in the tributaries, slightly higher than the sediment background values in China (48 mg/kg). In the Gualaxo do Norte river basin in Brazil, the background values for Ba in sediments were not specifically mentioned, but it was noted that the concentrations of Ba were relatively elevated and possibly related to local geology. In the Parnaiba River Delta estuary in Brazil, the background values for Ba in sediments were not provided. In the state of Paraiba in Brazil, the background value for Ba in soils was 117.41 mg/kg. In the Amapa coastline in Brazil, the background value for Ba in sediments was 392.41 mg/kg.

Values of background for Ba barium in sediments?5 answersBackground values for barium (Ba) in sediments were established in multiple studies. Rodrigues et al. found relatively high background values for Ba in sediments from the Gualaxo do Norte river basin in Brazil, with concentrations possibly related to local geology and mineral exploration activities. Cao et al. investigated Ba isotope variations in sediment pore waters in the Pearl River Estuary in China, showing depth-dependent shifts from heavy to light isotopic signatures, indicating preferential removal of low-mass Ba isotopes during diagenetic processes. Filho et al. established regional background levels for Ba in sediments from the Parnaiba River Delta estuary in Brazil, with concentrations ranging from 1.3 to 28 mg/kg. Bridgestock et al. studied Ba isotope compositions in marine sediments from the South Atlantic, finding that variations in isotopic compositions reflect changes in the contributions of detrital and authigenic Ba sources.

What is the distribution of manganese in bone tissue?5 answersManganese distribution in bone tissue varies depending on the exposure and age of the organism. In white suckers from acidified lakes, fish captured from the most acidified lakes had increased concentrations of manganese in the liver compared to the kidney. In immature animals, such as rats, mice, and cats, the uptake of manganese from the intestine is more efficient than in adults, suggesting that exposure to elevated manganese levels during the perinatal period could lead to accumulations in organ systems. A non-invasive technique using neutron activation analysis has been developed to measure manganese stored in bone, with estimates of expected referent levels of manganese in bone being 0.63 µg/g Ca. In welders, bone manganese levels were significantly higher compared to non-exposed subjects, indicating that bone manganese levels reflect differences in occupational exposure. In rats, subchronic treatment with manganese chloride resulted in increased manganese concentrations in various tissues, including the nervous system and femur.

How metal Regional background is controlled by grainsize in the sediment?1 answersThe regional background of metal concentrations in sediments is influenced by grain size. The specific surface area of sediments, which is calculated from the grain size distribution, is used as a property index to correlate with background values. In some sediments, such as sandy-to-sandy silt sediments, the background values of metals are expressed in terms of fines content, which can be correlated with the specific surface area. However, in sediments like silty clay or clayey silt sediments, the background levels may be constrained by the relatively low concentrations of metals in seawater, due to their high metal retention capacity. The grain size composition of sediments plays a significant role in controlling the distribution and fractionation of metals. The normalization of metal content by clay content is necessary to accurately evaluate metal variation and pollution in sediments.

See what other people are reading

What are the drivers of phytoplankton diversity?

Phytoplankton diversity is primarily driven by various factors such as nutrient availability, environmental conditions, and ecological interactions. Factors like nutrient concentrations, water flow, and conductivity play a significant role in shaping diatom composition and diversity. Additionally, phytoplankton diversity across different trait dimensions is influenced by factors like resource supply rates, size-selective grazing, and ocean transport. In estuarine environments, nutrient balance, particularly excess nitrogen and silicon along with limited phosphorus, can impact phytoplankton diversity patterns, potentially leading to diatom blooms. Overall, environmental variables like nutrient levels, water flow, and nutrient ratios are crucial drivers affecting phytoplankton diversity in various aquatic ecosystems.What are the drivers of freshwater phytoplankton diversity?

Freshwater phytoplankton diversity is influenced by various factors. Environmental heterogeneity, productivity, spatial extent, connectivity, and land cover play crucial roles in shaping phytoplankton diversity within lakes. Additionally, water body size, habitat productivity, and temperature are significant drivers affecting phytoplankton species richness. Studies in Canadian lakes have shown that lake morphometry and water quality metrics are key predictors of zooplankton diversity and community composition, emphasizing the importance of these factors in maintaining overall freshwater biodiversity. Furthermore, in a coastal bay in the Amazon, phytoplankton diversity was found to be primarily governed by hydrological conditions influenced by factors like precipitation, salinity, light availability, and nutrients, highlighting the deterministic processes controlling community dynamics. These findings collectively underscore the multifaceted nature of drivers impacting freshwater phytoplankton diversity.How to measure ash content manually?

To manually measure ash content, various methods can be employed based on the material being analyzed. For instance, in the field of coal quality analysis, a method involves weighing a coal sample, burning it in an electric furnace at a specific temperature, and calculating the ash yield from the residues left after burning. In foodstuff analysis, a method utilizes a calibration curve derived from known ash content values to measure the ash content of samples by analyzing absorbance values obtained through light irradiation at specific wavelengths. Additionally, an on-line measurement device for ash content utilizes double energy gamma ray detection mechanisms for accurate measurements. These methods showcase the diverse approaches used in manual ash content measurement across different industries.Anchovy is a fish?

Yes, anchovy is indeed a type of fish. Anchovies are small pelagic fish found in various regions like the Indo-Pacific, the Mediterranean Sea, and the Yellow Sea ecosystem. These fish are rich in macronutrients, micronutrients, and essential amino acids, making them valuable for human consumption and as feed for larger fish. Anchovies have a diverse nutrient profile, containing vitamins A, B12, D, and E, which contribute to their nutritional value and potential for food diversification. Additionally, anchovy proteins have been identified as potential precursors of bioactive peptides with health benefits like antihypertensive and immunomodulatory properties, making anchovies promising for functional food or nutraceutical product development. Furthermore, studies have focused on enriching anchovy oil with Omega-3 for its health benefits, particularly for heart and brain health.Plastic waste management can’t generally be attributed to female or male, but there are gender roles?

Gender roles play a significant part in plastic waste management, as highlighted in various studies. While plastic waste management cannot be solely attributed to either gender, there are distinct gender roles observed. Women tend to exhibit higher levels of knowledge, attitudes, and behaviors towards waste management compared to men. In a study focusing on housewives, it was found that a majority actively participated in managing plastic waste by sorting, participating in waste banks, and reducing plastic waste. These findings emphasize the importance of recognizing and incorporating gender-specific roles in waste management strategies. By acknowledging and leveraging these gender roles, more effective and inclusive waste management models can be developed to address the global challenge of plastic waste.What are coral growth bands?

Coral growth bands refer to annual increments in the skeletal structure of corals, providing valuable information on growth conditions, environmental factors, and pollutant exposure. These bands can trap trace metals like Cd, Cu, and As, reflecting historical pollutant levels in the marine environment. The growth rates of corals, such as Porites lutea, are influenced by factors like sea surface temperature, rainfall, and sunlight duration. Additionally, the composition of coral growth bands can be affected by diagenetic alterations, but ghost structures of annual growth rhythms can still offer insights into past growth conditions. Care must be taken when interpreting coral growth bands, as they may reflect both monthly and annual cycles, potentially influenced by lunar cycles.What is the concentration of Fe in agricultural soil and gold mine dump soil?

The concentration of Fe in agricultural soil and gold mine dump soil varies across different locations. In agricultural soils near gold mines in Nigeria, Fe concentrations ranged from 121.9-125.8 mg/kg. Similarly, in soils near a gold mine in Colombia, Fe concentrations were found to be excessive, indicating contamination. On the other hand, in dump sites in South Africa resulting from past gold mining activities, the average Fe concentration was reported to be around 130.1-136.2 mg/kg, indicating a presence of this metal in the dump soils. These findings highlight the diverse levels of Fe contamination in agricultural and gold mine dump soils, emphasizing the importance of monitoring and remediation efforts to mitigate potential environmental and health risks.What is the connection between TDS with water quality?

Total Dissolved Solids (TDS) play a crucial role in determining water quality. TDS levels in water bodies are influenced by various factors such as geogenic and anthropogenic contaminations, including organic and inorganic components, heavy metals, salts, and other dissolved substances. High TDS concentrations can have detrimental effects on human health, causing gastrointestinal, cardiovascular, respiratory, and skin issues. Additionally, elevated TDS levels can lead to scaling in household appliances, reducing their efficiency. Studies have shown correlations between TDS and other parameters like Oxidative Reductive Potential (ORP), turbidity, nitrate, ammonium, water depth, and water current, impacting water quality in estuaries. Models like Gaussian Process Regression (GPR) have been utilized to predict TDS values based on anions and cations, showcasing the importance of monitoring TDS for assessing water quality.How slow that Hong Kong tourism industry has recovered？?

The recovery of the Hong Kong tourism industry has been slow due to various factors, including the impact of the COVID-19 pandemic. The pandemic led to a freeze in tourism activities, causing significant setbacks in the industry. The strict immigration control measures implemented in Hong Kong have helped keep the number of infections relatively low compared to global averages. Additionally, the pandemic has had significant negative impacts on the tourism sector, with inbound visitor volume being significantly affected by the government's response to COVID-19 cases in tourism source markets. To recover, there is a need for cooperation between the tourism industry and government agencies, emphasizing the importance of pandemic control measures and financial support to create a positive feedback loop for tourism recovery.How quickly will Hong Kong’s tourism industry recover?

Hong Kong's tourism industry faces challenges due to the COVID-19 pandemic. The revival of the cruise tourism industry in Hong Kong and the Greater Bay Area could be a significant opportunity for recovery. Past experiences post-SARS and post-swine flu suggest that a complete rethink of destination marketing and management strategies is crucial for recovery. The determinants of Hong Kong's inbound tourism, such as international travel controls and tourism market potential, play a vital role in recovery. The global halt in aviation and tourism industries in 2020 due to stringent immigration controls highlights the severity of the impact. Recovery will depend on effective pandemic control measures, cooperation between the tourism industry and government agencies, and creating a positive feedback loop through financial support.How ph effects the growth of tartrates crystal in synthesis by gel method?

The pH plays a crucial role in the growth of tartrate crystals in synthesis by the gel method. Varying the pH of the gel solution affects the crystalline nature, morphology, and size of the crystals obtained. Optimum growth conditions for barium, strontium, calcium-strontium, zinc, and calcium tartrate crystals were achieved by adjusting the pH along with other parameters like gel concentration, gel setting time, and reactant concentrations. Different crystal morphologies such as diamond-shaped, needle-shaped, and rhombohedra-shaped crystals were obtained at specific pH levels. The pH influences the crystal properties and growth habits, showcasing its significance in controlling the synthesis of tartrate crystals using the gel method.