• sodium
  • In spite of the fact that the first publication about sodium hypochlorite medicinal application in dentistry was in 1989 , modern hypochlorite solutions, produced by "Chlorox" (USA) and "Parcan" (France), are widely used in many Russian dental clinics due to their superiority over other disinfectants, such as alcohols, phenols, quarternary ammonium compounds, dichlorisocyanurats, etc . (bakhir.com)
  • This article's goal is to evaluate, based on published results of the original research work, the biocidal efficacy of the main chlorine-based liquid chemical germicides such as sodium hypochlorite, chlorinated water and hypochlorous acid in respect to their chemical equilibrium. (bakhir.com)
  • Sodium or lithium peroxides are preferred in space applications because of their lower molar mass and therefore higher oxygen yield per unit weight. (wikipedia.org)
  • The compound is more conveniently prepared by treatment of sodium chlorate and chlorine trifluoride and purified by vacuum fractionation, i.e. selectively condensing this species separately from other products. (wikipedia.org)
  • The most common compound of chlorine, sodium chloride (common salt), has been known since ancient times. (wikipedia.org)
  • properties of chlorine
  • Regardless of what he thought, Scheele did isolate chlorine by reacting MnO2 (as the mineral pyrolusite) with HCl: 4 HCl + MnO2 → MnCl2 + 2 H2O + Cl2 Scheele observed several of the properties of chlorine: the bleaching effect on litmus, the deadly effect on insects, the yellow-green color, and the smell similar to aqua regia. (wikipedia.org)
  • acids
  • organ system for circulating blood in animals The circulatory system, also called the cardiovascular system or the vascular system, is an organ system that permits blood to circulate and transport nutrients (such as amino acids and electrolytes), oxygen, carbon dioxide, hormones, and blood cells to and from the cells in the body to provide nourishment and help in fighting diseases, stabilize temperature and pH, and maintain homeostasis. (wikipedia.org)
  • The invention uses select organic compounds, including for example the following organic activator-stabilizers: heat-deactivated proteases and zwitterionic materials, such as amphoteric surfactants and amino acids and proteins. (google.com)
  • The law of definite proportions refers to the fixed composition of any compound formed between element A and element B. The law of multiple proportions describes the stoichiometric relationship between two or more different compounds formed between element A and element B. The law of reciprocal proportions was proposed in essence by Richter, following his determination of neutralisation ratios of metals with acids. (wikipedia.org)
  • Once in water, the naturally occurring fulvic acids and humic acids can lead to formation of mutagenic compounds such as halogenated furanone MX (Z-3-chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone). (wikipedia.org)
  • While combustion of hydrocarbon part of the compounds form CO2 and H2O, halo acids are formed from the halogens. (wikipedia.org)
  • synthesis
  • doi:10.1002/anie.201003379 Synthesis and Characterization of a Coordinated Oxoborane: Lewis Acid Stabilization of a Boron−Oxygen Double Bond Dragoslav Vidovic, Jennifer A. Moore, Jamie N. Jones, and Alan H. Cowley J. Am. Chem. (wikipedia.org)
  • Selenium monochloride is mainly used as a reagent for the synthesis of Se-containing compounds. (wikipedia.org)
  • react
  • Within the soil, the halo compounds resist degradation and often react with metal ions, resulting in non-degradable metal complexes, increasing soil toxicity and accumulating in the food chain of aquatic organisms. (wikipedia.org)
  • A complementary metalloprotein to those that react with oxygen is the oxygen evolving complex present in plants. (wikipedia.org)
  • This is because the solvated electrons react with the organic compound to form a radical anion, which decomposes by the loss of a chloride anion. (wikipedia.org)
  • disinfectant
  • PROCESS FOR PRODUCING AQUEOUS CHLOROUS ACID SOLUTION FOR USE AS DISINFECTANT - A process for producing aqueous chlorous acid solution in which chlorous acid, which is safe for the human body, is easy to handle, and less generates chlorine dioxide, is yielded and used as a disinfectant for a pretreatment in food processing. (patentsencyclopedia.com)
  • As a common disinfectant, elemental chlorine and chlorine-generating compounds are used more directly in swimming pools to keep them clean and sanitary. (wikipedia.org)
  • irradiation
  • after irradiation, "dioxins" (polychlorodibenzo-p-dioxins) are dechloroinated in the same way as PCBs can be converted to biphenyl an inorganic chloride. (wikipedia.org)
  • In addition to the reduction of organic compounds by the solvated electrons it has been reported that upon irradiation a pertechnetate solution, at pH 4.1 is converted to a colloid of technetium dioxide. (wikipedia.org)
  • atoms
  • The peroxide ion is composed of two oxygen atoms that are linked by a single bond. (wikipedia.org)
  • In the second sense, an oxidizing agent is a chemical species that transfers electronegative atoms, usually oxygen, to a substrate. (wikipedia.org)
  • In more common usage, an oxidising agent transfers oxygen atoms to a substrate. (wikipedia.org)
  • Finally, the compound has been used to introduce bridging selenium ligands between the metal atoms of some iron and chromium carbonyl complexes. (wikipedia.org)
  • ketones
  • It converts hydrazones of hindered ketones into the corresponding selones, the structural analogs of ketones whereby the oxygen atom is replaced with a selenium atom. (wikipedia.org)
  • dioxins
  • For example, compounds like dioxins can inhibit the actions of sex hormones by binding to steroid receptors along with causing long lasting cell disruption in several tissues. (wikipedia.org)
  • toxic
  • While this method can be effective at trapping particulates produced by combustion, it does not filter out harmful gasses which may be toxic or which displace the oxygen required for survival. (wikipedia.org)
  • chloride
  • Chlorine is used in the manufacture of a wide range of consumer products, about two-thirds of them organic chemicals such as polyvinyl chloride, and many intermediates for the production of plastics and other end products which do not contain the element. (wikipedia.org)
  • In the form of chloride ions, chlorine is necessary to all known species of life. (wikipedia.org)
  • In this compound the oxygen atom is coordinated to aluminium chloride. (wikipedia.org)
  • If a deoxygenated mixture of PCBs in isopropanol or mineral oil is irradiated with gamma rays, then the PCBs will be dechlorinated to form inorganic chloride and biphenyl. (wikipedia.org)
  • reagent
  • In this context, the oxidising agent can be called an oxygenation reagent or oxygen-atom transfer (OAT) agent. (wikipedia.org)
  • metal ions
  • This theme relies on the study of the design and mechanism of action of metal-containing pharmaceuticals, and compounds that interact with endogenous metal ions in enzyme active sites. (wikipedia.org)
  • proteins
  • The hemolymph of lower arthropods, including most insects, is not used for oxygen transport because these animals respirate through other means, such as tracheas, but it does contain nutrients such as proteins and sugars. (wikipedia.org)
  • preparation
  • RuO2 is extensively used for the coating of titanium anodes for the electrolytic production of chlorine and for the preparation of resistors or integrated circuits. (wikipedia.org)
  • decomposes
  • This process relies on the temperature-dependent chemical balance between barium oxide and peroxide: the reaction of barium oxide with air at 500 °C results in barium peroxide, which upon heating to above 700 °C in oxygen decomposes back to barium oxide releasing pure oxygen. (wikipedia.org)
  • It decomposes rapidly on standing to bromic acid and oxygen. (wikipedia.org)
  • invention
  • It is to be understood, however, that the novel compounds of this invention are likely to be mixtures of tautomeric forms, the compositions of which are dependent on such factors as the nature of R R R and R and the environment. (google.es)
  • The methods and compositions according to the invention provide select organic compounds for the activation and stabilization of thermally labile enzymes, including proteases. (google.com)
  • form
  • As presented in number of scientific publications, the multicellular organisms, including human organism, form hypochlorous acid and super-active metastable oxy-chlorine- and hydroperoxi- compounds (mixture of metastable oxidants) by special cellular structures to defend organism against pathogens and foreign compounds [11, (bakhir.com)
  • The health effects of mercury exposure depend on its chemical form (elemental, inorganic or organic), the route of exposure (inhalation, ingestion or skin contact), and the level of exposure. (canada.ca)
  • Heme is utilized by red blood cells in the form of hemoglobin for oxygen transport and is perhaps the most recognized metal system in biology. (wikipedia.org)
  • In these compounds the boron and oxygen form a triple bond prone to cyclotrimerization to boroxines. (wikipedia.org)
  • biological
  • Macro fouling is caused by coarse matter of either biological or inorganic origin, for example industrially produced refuse. (wikipedia.org)
  • citation needed] With passage of the U.S. Safe Drinking Water Act in 2001, TOC analysis emerged as a quick and accurate alternative to the classical but more lengthy biological oxygen demand (BOD) and chemical oxygen demand (COD) tests traditionally reserved for assessing the pollution potential of wastewaters. (wikipedia.org)
  • water
  • Chromated copper arsenate (CCA) is a water-soluble inorganic pesticide most commonly used as a wood preservative to make it resistant to attack by termites and fungi that cause decay. (cdc.gov)
  • Nowadays chlorine and chlorine-based compounds are extensively used for drinking water disinfection. (bakhir.com)
  • Na2O2 + 2 HCl → 2 NaCl + H2O2 Upon heating, the reaction with water leads to the release of oxygen. (wikipedia.org)
  • While strict regulations from the government have reduced the high level of past emissions, these compounds find their way to water sources through improper consumer disposal of items that contain chlorinated compounds. (wikipedia.org)
  • acid
  • More then hundred years chlorine-based inorganic compounds have been used as chemical germicides as well as consistent investigations of influence of hypochlorous acid and hypochlorites on human and environment have been going on. (bakhir.com)
  • In рН range from 3.5 up to 5.5 all species of free available chlorine (the chlorine is called in such a way, which is educed as gas under reaction with hydrochloric acid) are presented only by hypochlorous acid. (bakhir.com)
  • The inorganic halides that are also adsorbed are washed away using a strong acid such as nitric acid. (wikipedia.org)
  • He failed to establish chlorine as an element, mistakenly thinking that it was the oxide obtained from the hydrochloric acid (see phlogiston theory). (wikipedia.org)
  • Common chemical theory at that time held that an acid is a compound that contains oxygen (remnants of this survive in the German and Dutch names of oxygen: sauerstoff or zuurstof, both translating into English as acid substance), so a number of chemists, including Claude Berthollet, suggested that Scheele's dephlogisticated muriatic acid air must be a combination of oxygen and the yet undiscovered element, muriaticum. (wikipedia.org)
  • The compound perbromic acid is the inorganic compound with the formula HBrO4. (wikipedia.org)
  • substance
  • Around 1630, chlorine gas was first synthesised in a chemical reaction, but not recognised as a fundamentally important substance. (wikipedia.org)
  • Elemental chlorine was probably first isolated around 1200 with the discovery of aqua regia and its ability to dissolve gold, since chlorine gas is one of the products of this reaction: it was however not recognised as a new substance. (wikipedia.org)
  • amino
  • These compounds, useful inter alia as hypertensive agents, bear a substituent in both the 4- and the 5-positions which is a secondary or a tertiary amino moiety. (google.es)