• oxidize
  • After time, the water remaining in the filter does itself oxidize, clogging the filter, dramatically reducing the water flow rate, forcing the homeowner to continuously replace the filter inserts. (highdefwater.com)
  • aqueous
  • An aqueous composition comprises an aminopolycarboxylic acid and a water-soluble organosilicon compound. (google.com.au)
  • The new compounds are useful in the treatment of aqueous systems, in particular to inhibit scale deposition from aqueous systems. (google.es)
  • 5. Method of treating an aqueous system comprising adding to the system a compound of formula I as defined in claim 1. (google.es)
  • 6. Method according to claim 5 wherein the system is treated to provide a corrosion-inhibiting treatment, or a corrosion-inhibiting with simultaneous scale-inhibiting treatments, and the compound of formula I is added in amount of from 0.1 to 50,000 ppm by weight, based on the weight of the aqueous system. (google.es)
  • 7. Method according to claim 6 wherein the compound of formula I is added in amount of 1 to 500 ppm by weight, based on the aqueous system. (google.es)
  • 8. Method according to claim 5 wherein the system is treated to provide solely an anti-scale treatment and the compound of formula I is added in amount of 1 to 200 ppm by weight, based on the aqueous system. (google.es)
  • The present invention relates to new compounds, to their production and to their use in the treatment of aqueous systems, in particular to inhibit scale deposition from the aqueous system and/or to prevent fouling of the aqueous system and/or to inhibit corrosion of metals in contact with the aqueous system. (google.es)
  • We have now found that certain new compounds which, unexpectedly, have superior activity in the inhibition of scale deposition from aqueous systems and additionally have superior activity in the control of corrosion of metals in contact with aqueous systems. (google.es)
  • soil
  • Acidic - The condition of water or soil, which contains a sufficient amount of acid substances to lower the pH below 7.0. (femyers.com)
  • Get dissolved in the 1st irrigation.Make sure the soil containerd enough moisture.Dry land need to spray some water then use the fertilizer. (agro-fertilizer.com)
  • Slash retention after harvesting may improve the status of soil organic matter in second-rotation crops. (slideshare.net)
  • acids
  • Alkalinity - A measurement of the quantity of chemicals present in water, which can neutralize acids. (femyers.com)
  • These sugar monomers can be completely decomposed to carbon dioxide and water or incompletely decomposed to various organic acids and alcohols, or other oxygenated species, such as ketones, aldehydes, esters and ethers. (wikipedia.org)
  • it also decomposes in the presence of numerous catalysts, e.g., most metals, acids, or oxidizable organic materials. (thefreedictionary.com)
  • anhydrous
  • Like most fluoride compounds, the anhydrous and hydrated forms of iron(II) fluoride feature high spin metal center. (wikipedia.org)
  • For example, with sodium hydroxide: NaOH + HCl → NaCl + H2O Water may be removed by heat, vacuum, or the presence of anhydrous hydrohalic acid. (wikipedia.org)
  • synthesis
  • Fe + 2 HCl → FeCl2 + H2 An alternative synthesis of entails the reduction of FeCl3 with chlorobenzene: 2 FeCl3 + C6H5Cl → 2 FeCl2 + C6H4Cl2 + HCl FeCl2 is soluble in tetrahydrofuran (THF). (wikipedia.org)
  • Applications include their use as NMR "shift reagents" and as catalysts for organic synthesis, and precursors to industrial hydroformylation catalysts. (wikipedia.org)
  • Sodium amalgam is a common reducing agent in organic synthesis, and is also used in high-pressure sodium lamps. (wikipedia.org)
  • Fertilizer
  • Iron Aminoacid Chelation, Amino Acid Fertilizer, Chelated Fertilizer manufacturer / supplier in China, offering Vegetable Source Ferrous Amino Acid Chelate Organic Fertilizer, Organic Amino Acid Powder Fertilizer High Content, Methionine-Zinc Chelate Animal Feed Grade and so on. (made-in-china.com)
  • Product Name Amino Acid Chelated Ca Powder Amino Acid Micronutrient Calcium Fertilizer Amino Acid Ca Chelated Fertilizer Fertilizer Calcium Amino Acid Chelated Ca Amino Acid Chelated Organic Fertilizer Brief Introduction Procare Plant Source 100% water soluble Drip Irrigation and Foliar Spray. (agro-fertilizer.com)
  • When used to chelate iron fertilizer DTPA ensures that the iron is kept in the ferrous state (Fe2+) over time so it can be utilized by aquatic plants without expending valuable energy. (wikipedia.org)
  • oxidation
  • Aeration - The process of adding air to a water supply for the purpose of oxidation (of materials such as iron, manganese, etc. (femyers.com)
  • Oxidation-reduction potentials in the hypolimnion remained low-to-negative during the summer growing season, providing conditions that allow for the solubilization of metals and sediment-bound phosphorus into the water column. (ok.gov)
  • Iron above 0.3 mg/L is objectionable in water because of staining in laundry and plumbing fixtures caused by the oxidation and precipitation of ferric hydroxide and/or ferric oxide ( ferric iron ) into small solid iron particles. (highdefwater.com)
  • Chelates are dissolved organic substances that bind to metals and prevent them from forming larger molecules through oxidation. (wikipedia.org)
  • result from exposure
  • Acute Health Effect - An immediate (i.e. within hours or days) effect that may result from exposure to certain drinking water contaminants (e.g., pathogens). (femyers.com)
  • derivatives
  • Sulfonated derivatives of TPP are also well known to give water-soluble derivatives, e.g. tetraphenylporphine sulfonate: 4 SO3 + (C6H5C)4(C4H2N)2(C4H2NH)2 → (HO3SC6H4C)4(C4H2N)2(C4H2NH)2 + 4 H2O Complexation can be thought of as proceeding via the conversion of H2TPP to TPP2−, with 4-fold symmetry. (wikipedia.org)
  • Well-studied derivatives include the ferric compounds, e.g. (wikipedia.org)
  • form
  • FeCl2 crystallizes from water as the greenish tetrahydrate, which is the form that is most commonly encountered in commerce and the laboratory. (wikipedia.org)
  • Some are in dry form and the purchaser reconstitutes them with water. (google.com)
  • He described it as an unstable substance, having a tendency to give off water to form anhydrides (called phlobaphenes), one of which is called oak-red (C34H30O17). (wikipedia.org)
  • gases
  • H 2S also occurs in volcanic gases, natural gas, and in some sources of well water. (wikipedia.org)
  • They consist of one or more upstream pipes, where the water is aerated while rising up, a degassing chamber where the aerated water is freed of gases and one or more downstream pipes where the vented, degassed water is pumped back into the hypolimnion. (wikipedia.org)
  • Residual gases are separated from the oxygenated water. (wikipedia.org)
  • carbon dioxide
  • How the organism obtains carbon for synthesising cell mass: autotrophic - carbon is obtained from carbon dioxide (CO2) heterotrophic - carbon is obtained from organic compounds mixotrophic - carbon is obtained from both organic compounds and by fixing carbon dioxide 2. (wikipedia.org)
  • Generally, the breakdown of large polymers to carbon dioxide (mineralization) requires several different organisms, with one breaking down the polymer into its constituent monomers, one able to use the monomers and excreting simpler waste compounds as by-products, and one able to use the excreted wastes. (wikipedia.org)
  • taste and odor
  • Active hypolimnetic oxygenation project should provide relief to lakes D.O., algal problems, and reduce drinking water taste and odor complaints. (ok.gov)