• Chlorine bleach, another common household solvent, can pit or damage gold alloys. (gia.edu)
  • Many types of gases-such as chlorine, phosgene, sulfur dioxide, hydrogen sulfide, nitrogen dioxide, and ammonia-may suddenly be released during industrial accidents and may severely irritate the lungs. (msdmanuals.com)
  • Gases such as chlorine and ammonia easily dissolve and immediately irritate the mouth, nose, and throat. (msdmanuals.com)
  • Industrial ammonia is sold either as ammonia liquor (usually 28% ammonia in water) or as pressurized or refrigerated anhydrous liquid ammonia transported in tank cars or cylinders. (wikipedia.org)
  • Liquid ammonia possesses strong ionising powers reflecting its high ε of 22. (wikipedia.org)
  • Liquid ammonia has a very high standard enthalpy change of vaporization (23.35 kJ/mol, for comparison water 40.65 kJ/mol, methane 8.19 kJ/mol, phosphine 14.6 kJ/mol) and can therefore be used in laboratories in uninsulated vessels without additional refrigeration. (wikipedia.org)
  • See liquid ammonia as a solvent. (wikipedia.org)
  • Measuring oil contamination in anhydrous ammonia can now be done quickly and accurately without the use of hazardous chemicals like hexane. (slideshare.net)
  • Do not use paste wax or solvent-based polishes. (bobvila.com)
  • Ammonia is an inorganic compound of nitrogen and hydrogen with the formula NH3. (wikipedia.org)
  • For fundamental reasons, the production of ammonia from the elements hydrogen and nitrogen is difficult, requiring high pressures and high temperatures. (wikipedia.org)
  • The nitrogen atom in the molecule has a lone electron pair , and ammonia acts as a base , a proton acceptor. (wikidoc.org)
  • The Haber process to produce ammonia from the nitrogen in the air was developed by Fritz Haber and Carl Bosch in 1909 and patented in 1910. (wikidoc.org)
  • Ammonia is one of the most abundant and simple nitrogen sources with decent stability and reactivity. (nature.com)
  • In the initial attempt, 1a was adopted as the substrate with the conjugated tetrasubstituted alkene as the target bond to insert a nitrogen atom with ammonia (Table 1 ) at 0 °C. The first observed insertion product 2a had a 16% 1 H NMR yield when graphite felt (GF) was used as the electrodes and methanol was used as the solvent (entry 1). (nature.com)
  • 3 9 11 12 Cleaning and disinfecting products constitute a complex mixture of chemicals that include irritants (eg, bleach and ammonia) and sensitisers (eg, quaternary ammonium compounds and ethanolamines) that have been characterised as asthmagens by several organisations, including the Association of Occupational and Environmental Clinics. (cdc.gov)
  • White spirit : Stoddard solvent. (who.int)
  • Many of these cleaners contain ammonia, which can be too harsh for delicate gems or vintage jewellery. (gia.edu)
  • These treatments can be negatively affected by heat, solvents, steam and ultrasonic cleaners. (gia.edu)
  • Because of its many uses, ammonia is one of the most highly produced inorganic chemicals. (wikidoc.org)
  • Ammonia is a chemical found in trace quantities on Earth, being produced from nitrogenous animal and vegetable matter. (wikipedia.org)
  • Dozens of chemical plants worldwide produce ammonia. (wikidoc.org)
  • Certain amines, chemical compounds derived from ammonia, have been shown to cause visual symptoms, such as blurred or hazy vision in both an industrial and laboratory settings. (cdc.gov)
  • Amines are chemical compounds typically used as solvents, preservatives, drugs, or herbicides-or in the case of the label production plant, as part of the ink and ink additive. (cdc.gov)
  • It is used to some extent as a chemical intermediate, gauge fluid, and as a nonflammable solvent for resins, gums, and waxes. (cdc.gov)
  • A common household exposure to a chemical gas occurs when a person mixes household ammonia with cleansers containing bleach. (msdmanuals.com)
  • The concentration of such solutions is measured in units of the Baumé scale (density), with 26 degrees Baumé (about 30% of ammonia by weight at 15.5 °C or 59.9 °F) being the typical high-concentration commercial product. (wikipedia.org)
  • 173 K) if the ammonia concentration is high enough and thus allow such bodies to retain internal oceans and active geology at a far lower temperature than would be possible with water alone. (wikipedia.org)
  • [3] Household ammonia ranges in concentration from 5 to 10 weight percent ammonia. (wikidoc.org)
  • 12 Oil in Ammonia Output Oil absorbance at 2920 and height relates to concentration 0 .1 .2 .3 .4 .5 .6 .7 3050 3000 2950 2900 2850 2800 2750 Absorbance(a.u. (slideshare.net)
  • Studies have reported an association between WRA and exposure to groups of agents, such as cleaning and disinfecting products, latex, indoor air pollution, volatile organic compounds (VOCs), bioaerosols, ammonia-containing or chlorinecontaining products, chemicals used for cleaning instruments or building surfaces and use of aerosolised medicine, in a range of healthcare occupations. (cdc.gov)
  • If you purchase store-bought cleaning products, make sure the alcohol content is below 50 percent and does not contain any harsh solvents. (gottabemobile.com)
  • Alternate alcohol and ammonia pads until the stain has been removed. (howstuffworks.com)
  • For solvents or alcohol, we refer to tip 3 below: read your medical display guide to check which concentrations are okay to use. (barco.com)
  • Gaseous ammonia turns to the colourless liquid which boils at −33.1 °C (−27.58 °F), and freezes to colourless crystals at −77.7 °C (−107.86 °F). Little data is available at very high temperatures and pressures, such as supercritical conditions. (wikipedia.org)
  • The United States Occupational Safety and Health Administration (OSHA) has set a 15-minute exposure limit for gaseous ammonia of 35 ppm by volume in the environmental air and an 8-hour exposure limit of 25 ppm by volume. (wikidoc.org)
  • [1] Exposure to very high concentrations of gaseous ammonia can result in lung damage and death. (wikidoc.org)
  • In any case, that salt ultimately gave ammonia and ammonium compounds their name. (wikipedia.org)
  • Ammonia and ammonium salts are also found in small quantities in rainwater, whereas ammonium chloride (sal ammoniac), and ammonium sulfate are found in volcanic districts. (wikipedia.org)
  • The degree to which ammonia forms the ammonium ion increases upon lowering the pH of the solution - at "physiological" pH (~7), about 99% of the ammonia molecules are protonated . (wikidoc.org)
  • Here, we show an electrochemical dehydrogenative method in which ammonia is inserted directly into alkenes to build aromatic N -heterocycles in a single step without the use of any external oxidant. (nature.com)
  • In a tandem transformation that included three distinct electrochemical processes, the insertion of ammonia further showcased the tremendous potential to manipulate heterocycles derived from Hantzsch ester to diazine via pyridine and pyrrole. (nature.com)
  • Substances containing ammonia, or those that are similar to it, are called ammoniacal. (wikipedia.org)
  • Although common in nature-both terrestrially and in the outer planets of the Solar System-and in wide use, ammonia is both caustic and hazardous in its concentrated form. (wikipedia.org)
  • [1] Although ammonia is regulated in the United States as a non-flammable gas, it still meets the definition of a material that is toxic by inhalation and requires a hazardous safety permit when transported in quantities greater than 13,248 L (3,500 gallons). (wikidoc.org)
  • A clinically compatible case in which a high index of suspicion (credible threat or patient history regarding location and time) exists for ammonia exposure, or an epidemiologic link exists between this case and a laboratory-confirmed case. (cdc.gov)
  • In this work, we report the insertion of ammonia into carbon skeletons to build diverse aromatic N -heterocycles via a multiple electron transfer pathway involving hydrogen evolution with up to 99.2% theoretical atom economy. (nature.com)
  • In this case, zinc oxide is used as a solvent to remove hydrogen-sulfide contaminants in natural gas. (mis-asia.com)
  • A stable binary hydride, and the simplest pnictogen hydride, ammonia is a colourless gas with a distinct pungent smell. (wikipedia.org)
  • Ammonia is a colourless gas with a characteristically pungent smell. (wikipedia.org)
  • Although ammonia contributes significantly to the nutritional needs of the planet, the gas itself is caustic and can cause serious health damage. (wikidoc.org)
  • Ammonia is found in small quantities in the atmosphere, being produced from the putrefaction of nitrogenous animal and vegetable matter. (wikidoc.org)
  • At a later period, when sal-ammoniac was obtained by distilling the hoofs and horns of oxen and neutralizing the resulting carbonate with hydrochloric acid , the name "spirit of hartshorn" was applied to ammonia. (wikidoc.org)
  • Around 70% of ammonia is used to make fertilisers in various forms and composition, such as urea and diammonium phosphate. (wikipedia.org)
  • Ammonia, either directly or indirectly, is also a building block for the synthesis of many pharmaceutical products and is used in many commercial cleaning products. (wikipedia.org)
  • The main uses of ammonia are in the production of fertilizers , explosives, and synthesis of organonitrogen compounds. (wikidoc.org)
  • For example, factor 1, indicative of solvent use, was positively correlated with clinical laboratory and floor stripping/waxing occupations and tasks. (cdc.gov)
  • At high temperature and in the presence of a suitable catalyst or in a pressurized vessel with constant volume and high temperature (e.g. 1,100 °C (2,010 °F)), ammonia is decomposed into its constituent elements. (wikipedia.org)
  • Sponge (the method of using a dampened pad to apply light strokes, moving outward from the center of the stain) the area with a dry-cleaning solvent such as Afta Cleaning Fluid. (howstuffworks.com)
  • If stain persists, sponge the area with a dry-cleaning solvent, K2r Spot Lifter or Afta Cleaning Fluid. (howstuffworks.com)
  • 1. Sponge with a small amount of dry-cleaning solvent. (pioneerthinking.com)