Ions nitrates. Medical search. Frequent questions

This test will be hampered by the presence of nitrite ions. (tutorialspoint.com)
The absence of any blue colour shows that all nitrite ions have been removed. (tutorialspoint.com)
The samples were analyzed for nitrate and nitrite ions using ion chromatography (IC) and GC-mass spectrometry (GC-MS). The results indicate a higher stable isotopic ratio of delta 15N/14N in the aerosols collected at the cloud top of one cloud than the aerosols collected from the cloud base of a second cloud at the same altitude (30.48 m) on 18 July 2009. (academicjournals.org)
NO2- nitrite ions were present only in the aerosols sampled at the cloud base. (academicjournals.org)

Nitrate/Nitrite Toxicity: What Are Nitrates and Nitrites? (cdc.gov)
Nitrates and nitrites can be categorized into inorganic and organic forms based on their chemical structure. (cdc.gov)
Inorganic nitrites are also produced endogenously through oxidation of nitrous oxide (NO) formed from the enzymatic degradation of L-arginine and through the reduction of nitrate with xanthine oxidoreductase [Omar et al. (cdc.gov)
The organic forms of nitrates and nitrites are more complex and most are synthesized medicinal products (except ethyl nitrite) [Omar et al. (cdc.gov)
Nitrates and Nitrites exist in organic and inorganic forms. (cdc.gov)
Inorganic nitrates and nitrites are generally more water soluble than organic nitrates and nitrates. (cdc.gov)
Inorganic nitrates and nitrites are produced endogenously and exogenously. (cdc.gov)
Organic nitrates and nitrites are mostly synthesized medicinal products. (cdc.gov)
Water can dissolve all common nitrates, nitrites, thiosulphates and acetates. (tutorialspoint.com)
Nitrates and nitrites are undesirable to humans. (scialert.net)
In the human body, the nitrates are reduced to nitrites. (differencebetween.net)
Microbiological conversion of nitrates into nitrites can occur when fresh vegetables are stored, especially at room temperature. (differencebetween.net)

The main purpose of this research is to measure soil nitrate concentration using nitrate ion-selective electrode (ISE) sensor and Arduino programmable microcontroller. (iium.edu.my)
The Ammonium Ion-Selective Electrode (ISE) can be used to measure the concentration of Ammonium (NH 4 + ) in aqueous samples. (vernier.com)
Comparison of nitrite/nitrate concentration in human plasma and serum samples measured by the enzymatic batch Griess assay, ion-pairing HPLC and ion-trap GC-MS: The importance of a correct removal of proteins in the Griess assay. (unicatt.it)
As a result of the adsorption of nitrate on the LDH, the nitrate-N concentration in the soil solution at harvest was reduced by a factor of ten compared to a soil without LDH. (springer.com)
Batch adsorption studies also indicated that the most applicable model for the sorption of ammonium ions from the synthetic wastewater with 40 mg L -1 ammonium ion concentration was the Freundlich isotherm model. (scialert.net)
Usually, a low ammonia concentration is desirable in final effluents for two reasons: (1) it is toxic to fish at concentrations greater than about 3 mg L -1 and (2) it will be bio-oxidized by nitrifying microorganisms to nitrite and nitrates. (scialert.net)
The nitrate ion standard is equal to or less than 10 mg L -1 as N. A nitrate ion concentration more than the recommended standard can cause the disease methemoglobinemia to occur among infants. (scialert.net)
Net ammonium uptake in G. max and net nitrate uptake in P. menziesii were greatly reduced at pH 4, particularly at high N concentration, thus N concentration should be considered when determining optimum pH for N uptake. (who.int)

At the sixth meeting, an ADI of 0-5 mg/kg bw, expressed as sodium nitrate, was allocated. (inchem.org)
This ADI was based on a NOEL for sodium nitrate of 500 mg/kg bw/day derived from a long-term toxicity study in rats and a short-term toxicity study in dogs together with a safety factor of 100. (inchem.org)
The maximum permissible 24 hour dose of potassium and sodium nitrate for humans is up to 5 mg/kg. (differencebetween.net)

Therefore, K+ represents a potassium ion with a charge of +1. (proprofs.com)
This ion is commonly found in compounds such as potassium iodide (KI) and sodium iodide (NaI). (proprofs.com)
They typically exist in the environment in highly water-soluble forms, in association with other ions such as sodium and potassium. (cdc.gov)

Given that sodium chloride is not ples had a salt content lower than 10 g estimate of salt intake in Morocco, and the only source of chloride ions, we per kg, which would meet the WHO compare it with recommended levels of used diet bread as the control since it recommendations, based on a 500 g salt intake. (who.int)

Flat electrode for nitric ion which is so selective that pH or other ions do not affect it. (horiba.com)
ISENH4181 is a digital, combination ammonium ion selective electrode (ISE) with a non-refillable, double junction reference and built-in temperature sensor. (globalspec.com)
ISEF121 is a digital, combination fluoride ion selective electrode (ISE) with a non-refillable, single junction reference and built-in temperature sensor. (globalspec.com)

We use the Whole Atmosphere Community Climate Model to calculate how large an event would have to be to produce enough odd nitrogen throughout the atmosphere to be discernible as nitrate peaks at the Earth's surface. (unh.edu)
We conclude that the fluence and spectrum of solar proton events necessary to produce odd nitrogen enhancements equivalent to the spikes of nitrate ions in Greenland ice cores are unlikely to have occurred throughout the Holocene, confirming that nitrate ions in ice cores are not suitable proxies for historical individual solar proton events. (unh.edu)
Sodium tungstate was used in this study to implement nitrogen stress by inhibiting nitrate reductase (NR) in Dunaliella tertiolecta . (hindawi.com)
The removal of ammonia by biological means is a two-step process: in the first step, ammonia is converted aerobically to nitrate (nitrification) and in the second step, nitrates are converted to nitrogen gas (denitrification) (Metcalf and Eddy Inc., 1991). (scialert.net)
Nitrate and Nitrite are naturally occurring ionic species that are part of the earths nitrogen cycle. (cdc.gov)
The nitrates are naturally synthesized by nitrogenous bacteria as an intermediate step in the formation of nitrogen. (differencebetween.net)
The excessive nitrogen fertilization increases the nitrate content in plants, and respectively in humans (via food). (differencebetween.net)
These emission control plans will likely focus on reducing emissions of sulfur oxides and nitrogen oxides, which form two of the largest chemical components of PM2.5 in the eastern United States: ammonium sulfate and ammonium nitrate. (cdc.gov)
Many conifers grow on acidic soils, thus their preference for ammonium vs nitrate uptake can differ from that of crop plants, and the effect of pH on nitrogen (N) uptake may differ. (who.int)

MRNI cartridges can reduce toxic nitrate levels below WHO limits of 50mg/L, exchanging harmful nitrates for chloride ions. (apexfilters.co.uk)
Chloride ions play important roles in various biological processes, including maintaining the balance of fluids in the body and aiding in nerve function. (proprofs.com)

Fluoride nitrates are mixed anion compounds that contain both fluoride ions and nitrate ions. (wikipedia.org)
The molar mass of the nitrate anion is 62 g/mol. (differencebetween.net)

Nitrate often reaches surface and groundwater by runoff from agricultural activities, such as usage in fertiliser. (apexfilters.co.uk)
Nitrate, a fertilizer chemical, frequently contaminates drinking water due to agricultural and urban runoff, and discharges from municipal wastewater treatment plants and septic tanks. (ewg.org)
Nitrate and nitrite enter water from fertilizer runoff, septic tanks and urban runoff. (ewg.org)
The drinking water in Pretty Prairie, Kan., population 672, is unsafe to drink due to excessive levels of nitrate from fertilizer runoff. (inthesetimes.com)
Aside from natural processes, nitrates enter our drinking water via runoff from fields treated with industrial fertilizer and from factory farms. (inthesetimes.com)

In ammonia removal from water and wastewater by ion exchange, the ion that is displaced varies with the nature of the solution used to regenerate the bed (Metcalf and Eddy Inc., 1991). (scialert.net)
A monitor study was established using one urban (Detroit) and nine rural locations in the central and eastern United States to simultaneously measure PM2.5 sulfate ion (SO2-4), nitrate ion (NO3-), ammonium ion (NH4 +), and precursor species sulfur dioxide (SO2), nitric acid (HNO3), and ammonia (NH3). (cdc.gov)
The model and ambient estimates agree that the ammonia study monitors tend to be nitric acid limited for PM2.5 nitrate formation. (cdc.gov)
Regulatory strategies in this part of the country should focus on reductions in NOX rather than ammonia to control PM2.5 ammonium nitrate. (cdc.gov)

Iodide refers to the negatively charged form of iodine, represented by the symbol I-. It is an ion that has gained one electron, resulting in a net negative charge. (proprofs.com)
Iodide ions play a crucial role in various biological processes, particularly in the synthesis of thyroid hormones. (proprofs.com)
Because of the colour of liberated bromine and iodine, bromide and iodide interfere with the nitrate ring test. (tutorialspoint.com)
The interfering halide should be ejected before performing the ring test to detect nitrate in the presence of iodide and/or bromide. (tutorialspoint.com)

Inorganic nitrate (NO 3 -) and nitrite (NO 2 -) are water soluble (as a result of their interaction with the positively charged portions of polar water molecules) ( Figure 1 ) and commonly exist as salts of nitric acid and nitrous acid, respectively. (cdc.gov)
Aqueous Na-ion batteries are proposed as cheap, safe, environmentally friendly systems for large-scale energy storage owing to the high abundance of sodium in earth's crust and the benign nature of most of its salts. (iucc.ac.il)
Nitrates are chemical compounds, salts of the nitric acid. (differencebetween.net)

The LDH adsorbed nitrate from the soil solution during the growth period without affecting plant N uptake. (springer.com)
The effect of pH on nitrate and ammonium uptake in the high-affinity transport system and low-affinity transport system ranges was compared in two conifers and one crop species. (who.int)
In all three species, net nitrate uptake was greatest at neutral pH. (who.int)

Use the Ammonium ISE to measure levels of ammonium ions introduced from fertilizers. (vernier.com)
In commerce, the majority of nitrate is used in inorganic fertilizers. (cdc.gov)

Symbols And Names Of Polyatomic Ions! (proprofs.com)
Are you looking for a way to test out just how much you understand when it comes to symbols and Names of various polyatomic ions? (proprofs.com)
They may also be composed of polyatomic ions such as NH 4 NO 3 (ammonium nitrate). (livescience.com)
Polyatomic ions are groups of atoms that share electrons (called covalent bonding ) and function in a compound as if they constituted a single charged ion. (livescience.com)

This course will focus on inorganic nitrates. (cdc.gov)

If the plant extracts more nitrates than the enzyme nitrate reductase can process, they accumulate in it. (differencebetween.net)
The activity of nitrate reductase depends on factors such as light, temperature and water stress. (differencebetween.net)

Practical utilization, however, is limited by poor electrochemical performance due to the slow diffusion kinetics of large sodium ions. (iucc.ac.il)
However, the kinetics of nitrate secretion in rat saliva appear to have been less well studied than in humans, and even less is known concerning salivary secretion in mice. (inchem.org)

Results of FTIR and IC indicated the breakage of N=N bonds, with sulfate as the major and nitrite and nitrate as the minor products, which implied degradation of dye molecules. (hindawi.com)
Photochemical model performance for PM2.5 sulfate, nitrate, ammonium, and precursor species SO2, HNO3, and NH3 at background monitor locations in the central and eastern United States. (cdc.gov)
Several indicators of PM2.5 ammonium sulfate and ammonium nitrate formation and chemical composition are estimated with the ambient data and photochemical model output. (cdc.gov)
PM2.5 sulfate ion is usually not fully neutralized to ammonium sulfate in ambient measurements and is usually fully neutralized in model estimates. (cdc.gov)

Isosorbide dinitrate, an organic nitrate, is a vasodilator with effects on both arteries and veins. (nih.gov)
This strategy is inappropriate for organic nitrates. (nih.gov)
The daily dose-free interval sufficient to avoid tolerance to organic nitrates has not been well defined. (nih.gov)
Studies of nitroglycerin (an organic nitrate with a very short half-life) have shown that daily dose-free intervals of 10 to 12 hours are usually sufficient to minimize tolerance. (nih.gov)
Few well-controlled clinical trials of organic nitrates have been designed to detect rebound or withdrawal effects. (nih.gov)

Thus, the assessment of the health risk of nitrate to humans should encompass the toxicity of both nitrite and N-nitroso compounds, and the animal species used for safety evaluation should be closely related to humans with respect to the toxicokinetics of nitrate and the conversion of nitrate to nitrite. (inchem.org)
Ion Exchange is a unit process in which ions of a given species are displaced from a solid material or adsorbent by different ions in solution. (scialert.net)
This monitor study provides a unique opportunity to assess how well the modeling system predicts the spatial and temporal variability of important precursor species and co-located PM2.5 ions, which is not well characterized in the central and eastern United States. (cdc.gov)

The correct answer is Li + because lithium is a positively charged ion. (proprofs.com)
Therefore, the symbol Li + represents the lithium ion with a positive charge. (proprofs.com)
This survey is to review the advancement recorded so far in the lithium-ion battery recycling technologies in compliance with environmental laws. (researchgate.net)
Pollution through the hydrolysis of LiPF6 from the lithium-ion battery can also be minimized through conversion to useful compounds instead of using virgin materials for the synthesis. (researchgate.net)
Here, lithium nitrate was added to the electrolyte solutions to boost the performance of sodium manganese oxide cathodes. (iucc.ac.il)
Lithium ions establish additional diffusion paths that activate sodium sites. (iucc.ac.il)

It is a negatively charged ion that is commonly found in compounds such as sodium chloride (table salt). (proprofs.com)
However, it was aware that nitrite is formed in the human body by reduction of nitrate and that N-nitroso compounds can also be formed from nitrite and N-nitrosatable compounds under certain conditions. (inchem.org)
Furthermore, in the toxicological evaluation of nitrate, it should be considered in conjunction with nitrite and potential endogenously formed N-nitroso compounds. (inchem.org)
While the crystals themselves are hard, brittle and nonconductive, most ionic compounds can be dissolved in water, forming a solution of free ions that will conduct electricity. (livescience.com)

The brown ring test is conducted by adding iron(II) sulphate to a nitrate solution, then slowly adding strong sulfuric acid until the acid forms a layer under the aqueous solution. (tutorialspoint.com)

These results could assist researchers and farmers to accurately monitor the concentrations of soil nitrate on the field effectively as well as an insight to ISE sensor with Arduino technologies. (iium.edu.my)
The potential use of a layered double hydroxide (LDH) to act as a nitrate buffer system in soil in order to reduce the movement of nitrate was investigated. (springer.com)
The LDH efficiently adsorbed nitrate that was mineralized in the soil during periods without cultivation, reduced nitrate-N leaching losses by about 80%, and kept this nitrate available for a following crop. (springer.com)
The nitrate buffer capacity of the soil after 15months increased from 0.3 (without LDH) to 2.7 with the application of 10g LDH kg −1 soil. (springer.com)
It is concluded that the LDH has a potential to be used as a long-term nitrate exchanger to control the movement of nitrate in soil, and thereby reduce risks of nitrate leaching in crop production in sensible areas. (springer.com)
Bull C (2001) Development and evaluation of layered double hydroxides (LDHs) for nitrate exchange in soil. (springer.com)
Nitrates are found in soil, water, and food (of plant and animal origin). (differencebetween.net)
The nitrate content of the plants varies, depending on their quantity in the soil. (differencebetween.net)

Excessive nitrate in water can cause oxygen deprivation in infants and increase the risk of cancer. (ewg.org)

The nitrate ion (NO 3 ) is a conjugated base of the nitric acid. (differencebetween.net)

This reduction constitutes the first step in the assimilation of nitrate before obtaining the ammonium which is incorporated into Glutamate through GS/GOGAT pathway in chloroplast. (hindawi.com)
In addition to the saliva, secretion of nitrate occurs at other sites in the GI tract leading to reduction by the gut flora. (inchem.org)

Humans can be exposed to nitrates in several ways. (differencebetween.net)

Also, nitrates are undesirable in natural waters, because they are nutrients that stimulate algal and aquatic growth (Reynolds and Richards, 1996). (scialert.net)

The symbol "Cl-" represents the chloride ion in chemical equations and formulas. (proprofs.com)
The chemical form affects the pharmacokinetic and pharmacodynamic properties of nitrates and nitrates. (cdc.gov)
The objective of this work was to evaluate the implementation of a metavisual strategy for students to revise and self-regulate concepts arising in a study of a chemical reaction between ions. (rsc.org)
The valency is the numerical chemical combing power of an atom or an ion. (docbrown.info)
chemical methods include breakpoint chlorination and ion exchange. (scialert.net)
The problem is nitrate , a chemical that comes from commercial fertilizer and manure. (inthesetimes.com)

The limit - 10 parts per million, or ppm - was set in 1962 to protect against blue baby syndrome , a potentially fatal condition that starves infants of oxygen if they ingest too much nitrate. (inthesetimes.com)

Proton, ammonium and nitrate net fluxes were measured at seedling root tips and 5, 10, 20 and 30 mm from the tips using a non-invasive microelectrode ion flux measurement system in solutions of 50 or 1500 microM NH(4)NO(3) at pH 4 and 7. (who.int)

Ultrafast rate capability, high ion diffusivity, and superior cycling stability are attributed to enhanced conductivity of the ions in the solution, cointercalation of Li and Na ions, and lower cathode surface resistance. (iucc.ac.il)

Batch adsorption studies were conducted using 40 mg L -1 ammonium ion solution and 1, 3, 5, 7 and 10 mg Clinoptilolite per 100 mL wastewater at room temperature. (scialert.net)
2000) studied the removal of ammonium ions from water by Clinoptilolite in a batch system and found the equilibrium time for adsorption to be one hour. (scialert.net)

The concentrations of the ammonium ion (NH 4 + ) in the synthetic wastewaters were 5, 10, 20, 30 and 40 mg L -1 . (scialert.net)
Based on the batch kinetic experiments, the equilibrium time was determined to be one hour for synthetic wastewaters of 5, 10, 20 and 30 mg L -1 and 2 h for 40 mg L -1 ammonium ion concentrations. (scialert.net)
Chloride ion concentrations were measured using Mohr's Method to indirectly quantify added salt in bread samples from 80 professional bakeries in Casablanca, Morocco. (who.int)

Sulphamic acid, $\mathrm{H_2NSO_3H}$ is added to the water extract containing $\mathrm{NO_{3^-}}$ and $\mathrm{NO_{2^-}}$ ions. (tutorialspoint.com)
In this process, undesirable ions such as Ca +2 , Mg +2 , Fe +2 and NH 4 + are removed from water and wastewater (Tchobanoglus and Schroeder, 1987). (scialert.net)
Natural and synthetic resins have been used in the past in the removal of ammonium ion and heavy metals from water and wastewater successfully. (scialert.net)
How Much Nitrate Is in Rural America's Water? (inthesetimes.com)
In addition to creating toxic algae blooms that suffocate waterways, drinking water with unsafe levels of nitrate is known to increase a person's risk of colon, kidney, ovarian and bladder cancers. (inthesetimes.com)
The cost of treating water to remove nitrates is often far more than the most affected communities can afford. (inthesetimes.com)
For more than 20 years, the level of nitrate in Pretty Prairie's tap water has exceeded the Environmental Protection Agency's legal limit. (inthesetimes.com)
Studies by the National Cancer Institute have found that drinking water with just 5 ppm of nitrate increases the risk of colon, kidney, ovarian and bladder cancers. (inthesetimes.com)
It dissociates in water to give nitrate hydroxyl ions. (differencebetween.net)
Both of them can form from the nitrates before or after ingestion of food or water. (differencebetween.net)
Nitrates enter the human body via food and drinking water. (differencebetween.net)
The City of San Fernando, California has awarded Envirogen Technologies, Inc. with a contract for a new, next generation SimPACK™ regenerable ion exchange (IX) treatment system to be used to remove nitrate contaminants from water from its Well 3 groundwater extraction well. (envirogen.com)

Nitrite is significantly more toxic than nitrate. (ewg.org)
Nitrates themselves are not toxic. (differencebetween.net)
Each Party shal further adopt and implement efective measures for public disclosure of information about he toxic constiuents of the tobac o products and the emis ions that hey may produce. (who.int)

The given answer "H+" is correct because it represents a hydrogen ion. (proprofs.com)
This is commonly found in acidic solutions where hydrogen ions are released. (proprofs.com)

The Committee noted that nitrate per se can generally be considered to be of relatively low toxicity. (inchem.org)

Nitrite is readily oxidized (combines with oxygen) to form nitrate. (cdc.gov)

Nitrate ion spikes in polar ice cores are contentiously used to estimate the intensity, frequency, and probability of historical solar proton events, quantities that are needed to prepare for potentially society-crippling space weather events. (unh.edu)

The capacity of the nitrate ion to oxidise $\mathrm{Fe^{2+}}$ to $\mathrm{Fe^{3+}}$ in acidic solution while producing NO gas is the basis for this test. (tutorialspoint.com)

Calcium channel blockers and nitrates both decrease LES pressure but do not improve LES relaxation. (medscape.com)
Inhibits transmembrane influx of calcium ions into smooth muscle, which, in turn, inhibits contraction of the muscle fibers. (medscape.com)

In the dog, in addition to strong salivary secretion, large quantities of nitrate were excreted in the bile following i.v. administration of nitrite, thus confirming this pathway of excretion as well as oxidation of nitrite in vivo (Walker, in press). (inchem.org)
This is due to the obligate renal H+ ion excretion, due to the normal daily average endogenous acid production of 1 mEq/kg required to maintain acid-base balance in the body. (medscape.com)

Anatomy8

Organisms24

Diseases1

Chemicals and Drugs125

Analytical, Diagnostic and Therapeutic Techniques and Equipment28

Phenomena and Processes57

Disciplines and Occupations5

Technology, Industry, Agriculture4

Information Science3

Health Care10

Geographicals1

Nitrite Ions4

Nitrites12

Concentration8

Sodium nitrate3

Potassium3

Source of chloride1

Electrode3

Nitrogen9

Chloride ions2

Anion2

Runoff5

Ammonia4

Iodide4

Salts3

Uptake3

Fertilizers2

Polyatomic4

Inorganic1

Reductase2

Kinetics2

Sulfate4

Organic5

Species3

Lithium6

Compounds4

Aqueous1

Soil8

Excessive1

Nitric1

Reduction2

Humans1

Nutrients1

Chemical6

Infants1

Fluxes1

Conductivity1

Adsorption2

Concentrations3

Water12

Toxic3

Hydrogen2

Toxicity1

Oxygen1

Proton1

Acidic1

Calcium2

Excretion2