• Some such as ammonium sulfate, are deadly to earthworms. (dirtdoctor.com)
  • Constituents of PM 2.5 (sulfate, nitrate, ammonium, organic matter, and black carbon) were obtained from models based on satellite, ground-based monitor, and chemical transport modeling data. (medscape.com)
  • Aerosol chemistry was hard-wired to that of ammonium sulfate. (confex.com)
  • Ammonium Sulfate Pharma Pure, ACS/NF Granulated can be used in pharmaceutical manufacturing. (jostchemical.com)
  • The invention provides a method for separating and recovering aluminum, potassium and ammonium from a mixed solution containing aluminum sulfate, potassium sulfate and ammonium sulfate, which comprises the following steps: the method can realize the high-efficiency recovery of the potassium, the aluminum and the ammonium, and simultaneously obtain high-purity products of the aluminum oxide, the potassium sulfate and the ammonium sulfate. (google.com)
  • The invention relates to the field of separation and recovery, in particular to a method for separating and recovering aluminum, potassium and ammonium from a mixed solution containing aluminum sulfate, potassium sulfate and ammonium sulfate. (google.com)
  • And the mixed solution containing aluminum sulfate, potassium sulfate and ammonium sulfate is a common intermediate solution or waste water in industry, such as waste water produced by activated clay, vanadium precipitation waste water, process liquid in comprehensive utilization of potassium feldspar and the like. (google.com)
  • The central supply/environmental service workers (2% of the total survey population), nurses (26%,), nurse assistants (3%), and laboratory technicians (5%) had the highest prevalence of using cleaning or disinfecting products, specifically quaternary ammonium compounds, bleach, and alcohol. (cdc.gov)
  • The factors associated with glove use included using bleach or quaternary ammonium compounds and using cleaning products 23 or 45 days per week. (cdc.gov)
  • A high frequency of glove use (75%) was reported by workers in most occupations when using quaternary ammonium compounds or bleach. (cdc.gov)
  • Effects of ammonia, ammonium sulphate and sulphur dioxide on the frost sensitivity of Scots pine (Pinus sylvestris L. (apis.ac.uk)
  • It is a product of the Solvay process used to produce sodium carbonate: CO2 + 2 NH3 + 2 NaCl + H2O → 2 NH4Cl + Na2CO3 Not only is that method the principal one for the manufacture of ammonium chloride, but also it is used to minimize ammonia release in some industrial operations. (wikipedia.org)
  • Ammonium chloride is prepared commercially by combining ammonia (NH3) with either hydrogen chloride (gas) or hydrochloric acid (water solution): NH3 + HCl → NH4Cl Ammonium chloride occurs naturally in volcanic regions, forming on volcanic rocks near fume-releasing vents (fumaroles). (wikipedia.org)
  • Ammonium chloride solutions with ammonia are used as buffer solutions including ACK (Ammonium-Chloride-Potassium) lysis buffer. (wikipedia.org)
  • Modelled historical concentrations and depositions of ammonia and ammonium in Europe. (cdc.gov)
  • 1987. A long-range transport model for ammonia and ammonium for Europe. (cdc.gov)
  • A major component of the Salt Lake Valley and Denver PM2.5 pollution is ammonium nitrate aerosol, which forms from emissions of nitrogen oxides, volatile organic compounds (VOCs), and ammonia. (agu.org)
  • Agriculture has long been blamed for the ammonia that contributes to urban smog, but new research shows that the ammonia in hazy pollution like this in Beijing more typically comes from auto tailpipes rather than farm fields. (princeton.edu)
  • Further, ammonia emissions from vehicles are especially important during cold weather (e.g. during winter or the morning rush hour) when agricultural emissions are at their lowest and when haze pollution is at its worst. (princeton.edu)
  • Even zeolite is promising in ammonia pollution disposing, its removal efficiency is frequently interfered by organics. (jostchemical.com)
  • DIN method: At a pH value of about 12.6 ammonium ions reacts with hypochlorite and salicylate in the presence of sodium nitroprussiate as a catalyst to form a blue indophenol. (camlab.co.uk)
  • Ammonium ions were the main neutralizer. (aaqr.org)
  • The decreased soil aggregates could be due to ammonium ions in the synthetic fertilizer, which cause soil particles to separate rather than aggregate. (organic-center.org)
  • Ammonium chloride is an inorganic compound with the formula NH4Cl and a white crystalline salt that is highly soluble in water. (wikipedia.org)
  • Solutions of ammonium chloride are mildly acidic. (wikipedia.org)
  • Some reactions of ammonium chloride with other chemicals are endothermic, such as its reaction with barium hydroxide and its dissolving in water. (wikipedia.org)
  • The dominant application of ammonium chloride is as a nitrogen source in fertilizers (corresponding to 90% of the world production of ammonium chloride) such as chloroammonium phosphate. (wikipedia.org)
  • Ammonium chloride was used in pyrotechnics in the 18th century but was superseded by safer and less hygroscopic chemicals. (wikipedia.org)
  • Ammonium chloride is used as a flux in preparing metals to be tin coated, galvanized or soldered. (wikipedia.org)
  • Ammonium chloride is used as an expectorant in cough medicine. (wikipedia.org)
  • Ammonium chloride is used as a systemic acidifying agent in treatment of severe metabolic alkalosis, in oral acid loading test to diagnose distal renal tubular acidosis, to maintain the urine at an acid pH in the treatment of some urinary-tract disorders. (wikipedia.org)
  • citation needed] Ammonium chloride, under the name sal ammoniac or salmiak is used as food additive under the E number E510, working as a yeast nutrient in breadmaking and as an acidifier. (wikipedia.org)
  • Ammonium chloride is used to spice up dark sweets called salty liquorice (popular in the Nordic countries, Benelux and northern Germany), in baking to give cookies a very crisp texture, and in the liquor Salmiakki Koskenkorva for flavouring. (wikipedia.org)
  • Ammonium chloride has been used historically to produce low temperatures in cooling baths. (wikipedia.org)
  • In paleontology, ammonium chloride vapor is deposited on fossils, where the substance forms a brilliant white, easily removed and fairly harmless and inert layer of tiny crystals that covers up any coloration the fossil may have, and if lighted at an angle highly enhances contrast in photographic documentation of three-dimensional specimens. (wikipedia.org)
  • 1991. Ammonium chloride fume. (cdc.gov)
  • Field measurements of the dissociation of ammonium nitrate and ammonium chloride aerosols. (cdc.gov)
  • 1975. Tumor growth inhibition by ammonium chloride-induced acidosis. (cdc.gov)
  • Since the same chemical processes that form ozone pollution in the summer produce ammonium nitrate pollution in winter, strategies that have effectively controlled ozone could also limit production of ammonium nitrate. (agu.org)
  • The researchers found this approach may actually increase ammonium nitrate pollution, at least initially. (agu.org)
  • 2001). More recently Lerach (2012) further extended the look-up table approach to consist of an external mixture of pollution aerosols and dust. (confex.com)
  • We now consider expanding this approach to an external mixture of pollution aerosols, dust, and sea-spray generated sea salt particles. (confex.com)
  • This expanded look-up table represents competition for water vapor among the pollution aerosols, dust, and sea-spray. (confex.com)
  • The atmospheric chemistry model provides the concentration, and chemistry (via ) of internally mixed groups of pollution aerosols, externally mixed dust with its unique kappa, sizes, and concentrations, and externally mixed sea-spray generated sea salt with its unique  (1.28), sizes and concentrations. (confex.com)
  • In addition, NWQIS has also designed and commissioned smaller stations (without the ammonium, nitrate, and phosphate analyzers) at each of the DTCs. (ysi.com)
  • Assessment Part Is organic matter and ammonium pollution in European rivers decreasing? (europa.eu)
  • Ammonium salts are an irritant to the gastric mucosa and may induce nausea and vomiting. (wikipedia.org)
  • The analysis of quaternary ammonium salts (QAS) using GC is often performed by "in injector" pyrolysis to create volatile degradation products for quantification purposes. (jostchemical.com)
  • Nitrogen limitation is the most common cause for stuck or sluggish fermentation in winemaking, and it is usually dealt with by supplementing grape juice with either ammonium salts or organic nutrients. (jostchemical.com)
  • It had a secondary use to provide white smoke, but its ready double decomposition reaction with potassium chlorate producing the highly unstable ammonium chlorate made its use very dangerous. (wikipedia.org)
  • 2003. Final report on the safety assessment of ammonium, potassium, and sodium persulfate. (cdc.gov)
  • We investigated the feasibility of using ammonium- and potassium-loaded zeolite (NK-Z) as carriers for fertilizer and for slow release of nitrogen (N) and potassium (K). Plant growth response and soil analysis were performed. (scirp.org)
  • J. Li, C. Wee and B. Sohn, "Effect of Ammonium- and Potassium-Loaded Zeolite on Kale ( Brassica alboglabra ) Growth and Soil Property," American Journal of Plant Sciences , Vol. 4 No. 10, 2013, pp. 1976-1982. (scirp.org)
  • EPA is also releasing final health advisories for perfluorobutane sulfonic acid and its potassium salt (PFBS), and hexafluoropropylene oxide (HFPO) dimer acid and its ammonium salt ("GenX" chemicals). (whitehouse.gov)
  • This is contrary to what is typically assumed and suggests a new way to mitigate this type of pollution in Salt Lake City, Denver, and beyond," said Caroline Womack, a CIRES scientist working in the NOAA Earth System Research Laboratory and lead author of the study. (agu.org)
  • In other words, this approach could mitigate a major source of environmental pollution. (phys.org)
  • Phosphorus (P) nonpoint source pollution from soil to water is increasing dramatically, leading to the eutrophication of water bodies. (mdpi.com)
  • Using amendment materials for P retention in soil is a promising strategy for environmental restoration and nonpoint source pollution management. (mdpi.com)
  • Therefore, the aim of the present study was to evaluate the contribution of anthropogenic pollution to lead levels of horse hair in Shiraz, with respect to the alteration of distant from oil industry and evaluation of horse hair as a bio-indicator of environmental pollution. (scialert.net)
  • Measurements of PM 2.5 performed along wind direction suggest that anthropogenic pollution in urban areas extends to a regional scale under some meteorological conditions and that the whole Beijing-Tianjin area is sometimes covered with a large polluted air mass. (nationalacademies.org)
  • Although the effects of increased total airborne N by anthropogenic emissions on bog vegetation are well documented, the important question remains how different N forms (ammonium, NH4+, versus nitrate, NO3−) affect N cycling, as their relative contribution to the total load strongly varies among regions globally. (nerc.ac.uk)
  • Next-generation technologies are needed to limit nitrogen pollution and reduce agricultural greenhouse gas emissions. (ted.com)
  • Following a century of intense pollution, the shift away from heavy industry-as well as reduced use of coal, conservation, and technological improvements-contributed to a nearly 70 percent drop in toxic emissions in fewer than 20 years, from 1966 to 1985. (gridphilly.com)
  • New pollution would come on top of already heavy emissions. (gridphilly.com)
  • Since both N forms clearly show differential effects on living Sphagnum and biogeochemical processes in the underlying peat, N form should be included in the assessment of the effects of N pollution on peatlands. (nerc.ac.uk)
  • A potentially more effective way to reduce PM2.5 pollution would be to limit VOCs, according to the new assessment. (agu.org)
  • In this study, we used the physically-based hydrological/water quality model, Soil and Water Assessment Tool, to investigate the influence of PS and NPS pollution on the water quality of the East River (Dongjiang in Chinese) in southern China. (usgs.gov)
  • These chemicals combine to form ammonium nitrate, which can be seen from the brown color in urban haze. (princeton.edu)
  • This work makes a case for how improving soil ammonium availability by inhibiting soil nitrifier activity can have a multitude of benefits in reducing nitrogen leakage and dramatically improve agricultural productivity. (ted.com)
  • This could offset any positive effects of increased soil organic carbon content, while increasing fertilizer runoff that causes pollution of waterways. (organic-center.org)
  • Successful widespread adoption of these biofertilizers for farming would reduce pollution, provide sustainable ways of managing the nitrogen cycle in soil, lower production costs and increase profit margins for farmers and enhance sustainable food production by improving soil fertility," said Mus. (phys.org)
  • Florence Mus et al, Genetic determinants of ammonium excretion in nifL mutants of Azotobacter vinelandii, Applied and Environmental Microbiology (2022). (phys.org)
  • This work discusses the benefits of shifting crop nitrogen-nutrition from 'Nitrate-Centric' (at present) to 'Ammonium-Centric' and how genetic exploitation of BNI-function in plant root systems can facilitate such a shift. (ted.com)
  • The combination of coal smog and traffic exhaust results in serious pollution characterized by high levels of photochemical smog, high concentration of fine particles, and poor visibility. (nationalacademies.org)
  • The city, which has undergone rapid development since the 1980s, has high concentrations of particulate matter and poor visibility in spite of the adoption of numerous measures to control particle pollution. (nationalacademies.org)
  • The city ranks 11th worst nationally for the ozone that makes up smog, and 16th for particle pollution or soot. (gridphilly.com)
  • Synergistic effects of water temperature, microplastics and ammonium as second and third order stressors on Daphnia magna . (udg.edu)
  • I want to get the latest chemistry news from C&EN in my inbox every week. (acs.org)
  • T. S. Perrin, D. T. Drost, J. L. Boettinger and J. M. Norton, "Ammonium-Loaded Clinoptilolite: A Slow-Release Nitrogen Fertilizer for Sweet Corn," Journal of Plant Nutrition, Vol. 21, No. 3, 1998, pp. 515-530. (scirp.org)
  • The practical motivation for the research was to reduce the major water pollution problems that arise when excess nitrogen fertilizer gets washed into waterways. (phys.org)
  • To combat wintertime PM2.5 pollution, scientists first needed a detailed understanding of the chemical processes that produce it. (agu.org)
  • PM2.5 pollution is a major cause of premature death worldwide-and besides negatively affecting human health, PM2.5 also affects agricultural yields, visibility, and possibly Earth's climate. (agu.org)
  • Air pollution related to fine particulate matter (PM2.5) alone is linked to some 1,300 premature deaths in Ireland in 2019 [iv] - up from 1,180 in 2018 - and almost nine times the death toll on the Republic's roads. (antaisce.org)
  • Based on the observations from the field campaign, Womack and her colleagues found that ozone and ammonium nitrate aerosol pollution are closely related, connected by the unusually named parameter "total odd oxygen. (agu.org)
  • In western valleys with high levels of ammonium nitrate aerosol, mitigation efforts have tended to focus first on controlling one component of the pollution: nitrogen oxides from burning fossil fuels. (agu.org)
  • Our findings could hold true in other areas with severe winter aerosol pollution, including mountain valleys across the U.S. West and urban areas in East Asia, and Europe. (agu.org)
  • Using the NOAA Twin Otter-a small, instrumented research airplane-the team also collected air samples throughout the pollution layer in the critical altitude region where particulate matter forms. (agu.org)
  • Ambient air pollution exposures were assessed based on maternal residential addresses using monthly averages of particulate matter ≤ 2.5 μm (PM 2.5 ), PM ≤ 10 μm (PM 10 ), nitrogen dioxide, and ozone from Environmental Protection Agency (EPA) monitoring stations. (medscape.com)
  • Also, the temporal (seasonal) and spatial distributions of nutrient loads clearly indicate the critical time period (from late dry season to early wet season) and pollution source areas within the basin (middle and downstream agricultural lands), which resource managers can use to accomplish substantial reduction of NPS pollutant loadings. (usgs.gov)
  • Over the past decades, successive major accidents have caused deaths, injuries, significant environmental pollution and massive economic losses - from the hydrogen fluoride leak in Gumi (Korea) in 2012, the ammonium nitrate explosion in West, Texas (United States) in 2013 or, recently, the blow-up of a chemical facility in Tarragona (Spain) and the explosion at the port of Beirut (Lebanon) in 2020, and the blast in Leverkusen (Germany) in 2021. (oecd.org)
  • With almost three quarters of the UK's land surface in agricultural production, diffuse pollution from farming activities has a major effect on the quality of water resources and associated ecosystems. (ysi.com)
  • It should be possible to determine the best possible agricultural practices to reduce diffuse pollution, but the implementation of such measures will only be effective with the cooperation of stakeholders. (ysi.com)
  • These fake fertilizers are a significant source of pollution and environment destruction. (dirtdoctor.com)
  • Understanding the physical processes of point source (PS) and nonpoint source (NPS) pollution is critical to evaluate river water quality and identify major pollutant sources in a watershed. (usgs.gov)
  • In particular, the methods presented such as integrating WQI with watershed modeling and identifying the critical time period and pollutions source areas can be valuable for other researchers worldwide. (usgs.gov)
  • Despite being a major source of pollution, the CAFOs have recently adopted a green sheen thanks to the Southern California Gas Company, or SoCalGas, the nation's largest gas utility. (discovermagazine.com)
  • The human impacts on the coastal ocean in terms of pollution and waste disposals have greatly modified the water quality and the fluxes of material to the coastal waters. (incois.gov.in)
  • A comprehensive Water Quality Index (WQI) computed using eight key water quality variables demonstrates that water quality is better upstream than downstream despite the higher level of ammonium nitrogen found in upstream waters. (usgs.gov)
  • Studies on the physiological effects of sulfamic acid and ammonium sulfamate. (cdc.gov)
  • Pollution is a subject of worldwide concern and discussion and various areas of science are seeking to integrate their knowledge in an attempt to improve understanding of the harmful effects of modern human activities. (scialert.net)
  • The processes that create ozone pollution in the summer can also trigger the formation of wintertime air pollution, according to a new study led by Cooperative Institute for Research in Environmental Sciences (CIRES) and NOAA researchers. (agu.org)
  • These findings suggest that long-term antepartum and postpartum air pollution exposure is a potentially modifiable environmental risk factor for PPD and an important public health issue to address for improved maternal mental health," the authors write. (medscape.com)
  • M. D. Lewis, F. D. Moore and K. L. Goldsberry, "Ammonium-Exchanged Clinoptilolite and Granulated Clinoptilolite with Urea as Nitrogen Fertilizers," In: W. G. Pond and F. A. Mumpton, Eds. (scirp.org)
  • Pollution levels have continued to fall since then. (gridphilly.com)
  • Pay attention to air quality forecasts on radio, television, and the internet and check your newspaper to plan your activities for when air pollution levels will be low. (cdc.gov)
  • China, which is undergoing rapid economic development and population growth, is facing serious and complicated air pollution problems that have resulted in a unique chemical transformation and transport process. (nationalacademies.org)
  • Specifically, targeting nitrogen oxides emitted by cars and power plants could initially actually increase harmful air pollution, the researchers reported in their new paper , out today in the AGU journal Geophysical Research Letters . (agu.org)
  • Atmospheric scientists typically don't look at wintertime air pollution in this way," Womack said. (agu.org)
  • However, we regularly record pollution incidents that arise from [combined sewer overflows]. (wwdmag.com)
  • Bush Administration puts gag order on the Environmental Protection Agency, mandating complete silence regarding military perchlorate pollution and human health impacts. (space4peace.org)
  • At the Xitou site on the western slopes of the Taiwan Central Mountain Range (1150 m asl), ammonium from agriculture dominated and lead to relatively high pH. (aaqr.org)
  • As a result, the Urban-Transport Related Air Pollution Working Group was convened, as noted in the draft report. (antaisce.org)
  • This is not a easy process, as it involves many steps, some related to field experiments, some related to laboratory analysis, some related to (statistical and predictive) modeling, and some related to linking the results to pollution control planning. (urbanemissions.info)