| This indicated that the sequestration capacity of iron plaque may be different between cations and anions. |
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| There are no direct hydrogen-bonded interactions between the trichloroacetate anions. |
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| The functional groups of iron hydroxides may sequestrate some cations and anions. |
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| The major organic anions found in pear leaf apoplastic fluid were citrate, ascorbate and malate, the latter being the major anion. |
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| Xanthate anions and protonated xanthic acid contain a free thiol moiety and are highly reductive. |
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| The channel is impermeable to anions but is permeable to a diverse group of cations. |
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| The molecules or anions attached to the central atom are called coordinating groups or ligands. |
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| Since cell walls contain high concentrations of uronic acids, cations are accumulated within cell walls while mobile anions are excluded. |
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| In solution, the cations move towards the cathode and the anions move to the anode. |
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| As a result, carbonyl compounds can form carbon anions and act as nucleophiles rather than electrophiles. |
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| Examples of compounds or groups that accept anions include the nitrate and hydroxide radicals. |
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| In an ionic compound there are two different types of ions present, the positively charged cations and the negatively charged anions. |
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| An ionic compound is composed of a network of ions that results in a three-dimensional matrix of cations and anions. |
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| The slow exchange of the central capsule for polymers and polyvalent anions might be of interest for controlled release applications. |
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| Inorganic anions such as chloride, nitrate and sulphate can be separated in about five minutes. |
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| Subsequent oxidation-reduction reactions can also produce superoxide anions, hydrogen peroxide and hydroxyl radicals. |
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| The administration of superoxide dismutase to scavenge superoxide anions was found to promote the survival rate of transplanted skin flaps. |
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| When the toxin is exposed to light, it reacts with oxygen to produce superoxide anions and singlet oxygen, which are also known as free radicals. |
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| Cations and anions can only exist in ionic compounds, nearly all of which are solids at room temperature, or in solution. |
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| Non-metals accept electrons in forming anions while metals donate electrons to form cations. |
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| The fluoroanions of aluminum, gallium, and indium are novel weakly coordinating anions which are are highly fluorinated. |
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| Cations within the middle solution are attracted to one electrode and anions to the other. |
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| To balance the influx of positive charge, organic anions, principally malate, and chloride are also accumulated. |
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| The permeability sequence follows the affinity sequence of the binding sites, and larger and polyatomic anions exhibit a higher permeability than other anions. |
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| The anion-permeable membranes must be designed to extract anions only, in particular tartrate anions. |
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| Many food products also contain basic anions such as tartrate and citrate ions. |
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| Bromide counter anions and water molecules are connected in diamond shape formation through H-bonding. |
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| Protons diffuse across a membrane from the anode chamber to the cathode chamber, where they react with the anions to form water or ferrocyanide ions. |
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| Straightforward determination of standard anions, oxyhalides and cations in drinking water, waste water, etc. |
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| Crystals of table salt consist of equal numbers of sodium cations and chlorine anions, cation-anion pairs being held together by a force of attraction. |
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| In fact, the affinity of anions toward cationic micellar aggregates, that is the degree of counterion binding, has been found to follow the Hofmeister series. |
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| Determination of anions and cations in parallel for one application and a quaternary gradient for another application are all simple tasks. |
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| It is also the column of choice for the determination of only a few anions in an uncomplicated matrix. |
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| The emergence of heated silica-bearing solutions onto the surface results in rapid cooling and the loss of complexing anions. |
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| The practical result of this is that the anions are given off at the anode, generally in the form of a gas and the cations are often deposited at the cathode as a metal layer. |
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| The generation of superoxide anions in our treatments also indicates their possible participation in the TNT denitration process. |
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| Bromide, iodide, cyanide and thiocyanate anions will be titrated by mercuric nitrate and measured as chloride. |
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| The most important effluents produced by the surface finish industry are inorganic, such as heavy metals or anions such as cyanides and chromium. |
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| Interference caused by anions and complexed cyanides has been investigated. |
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| The two forms of telluric acid form tellurate salts containing the TeO and TeO anions, respectively. |
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| All carbocations are strong alkylating agents with a high affinity for groups which donate or share their electrons, such as halide ions, hydroxyl anions and amines. |
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| Under conditions of high pH, anions and oxyanions are more mobile and most cations are less mobile, while at low pH the reverse is generally true. |
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| As such, they are selectively permeable to ions: the Anion membranes are permeable to anions but not to cations. |
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| These water molecules are ripped apart and change into hydroxyl anions, each of which is negatively charged and has one oxygen ion with a proton attached. |
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| All the positively charged ions, or cations, are together on the right side of the collage, and all the negatively charged ions, or anions, are on the left. |
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| It produces anions, or an atom or group of atoms with a negative charge, right within the device. |
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| Samples were collected monthly at each site and analyzed for bacteria, nutrients, total suspended solids, anions and cations. |
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| Ions consist of tiny particles, the positively charged ones known as cations and the negatively charged ones as anions. |
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| In solutions the current is carried by cations and anions whereas in metals it is carried by electrons. |
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| Summary: Leaching of nutrient cations from forest soils by acidic anions such as SO4 and NO3 can cause imbalances which weaken trees. |
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| In groundwater arsenic exists as water-insoluble inorganic arsenic As-V anions or As-III molecules. |
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| The spectra are representative of many anions and polyatomic ions common to inorganic materials and are classified according to anion or polyatomic ion following groups in the periodic chart. |
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| The anions and cations are both electrically charged species: the ions. |
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| Sodium perborate is useful because it is a stable, source of peroxide anions. |
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| Manipulating dietary anions and cations for prepartum dairy cows to reduce incidence of milk fever. |
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| Previous studies show that the newly formed carboxylic acids are easily transformed into carboxylate anions. |
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| In addition, it is also able to distinguish between different oxidation states of elements and analyse anions and organic material. |
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| Nominal age range at collection of 206 urine samples analyzed for goitrogenic anions and iodide. |
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| The addition of immonium ions and anions to isonitriles with secondary reactions. |
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| The proportional response of base cations concentrations to the reduction of strong acid anions determines if chemical recovery could be expected. |
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| This allows the determination of anions with the flexibility of carbonate-hydrogen carbonate eluents while profiting from a low background conductivity corresponding to that of hydroxide eluents. |
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| Those anions are easier make the air cleaner and make it easier for the body to neutralize harmful positive ions, including NOx and smoke particles. |
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| Specialized analytical capacity is available along with ultra-trace analysis to determine complex organic constituents, elements and anions in air particulates. |
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| Such a complex senary compound of the oxy-chloro-sulfide type illustrates the structural competition between three cations, on one hand, and, on the other hand, three anions. |
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| It was observed that the two macrocycles formed a dimer sandwiching a pair of chloride anions. |
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| Each of the four oxygen anions is, in turn, shared with another silica or alumina tetrahedron, extending the lattice structure in three dimensions. |
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| Because each element may form more than one heteropoly anion and some of these anions can contain several different heteroatoms, thousands of heteropoly acids exist. |
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| The first is that diborane is in fact only one of a large class of compounds of boron and hydrogen, the boranes and the borohydride anions, in which the same feature is found. |
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| The chlorine-containing oxy anions provide an example: Naming ionic compounds that contain polyatomic ions is similar to naming binary ionic compounds. |
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| Selectively, useful anions are returned to the bath. |
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| Ion exchange resin comes in two forms: cation resins, which exchange cations like calcium, magnesium, and radium, and anion resins, used to remove anions like nitrate, arsenate, arsenite, or chromate. |
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| Based on extensive research in the field of ionic liquids, EMD is able to offer you the most specialized and diversified portfolio of cations and anions commercially available. |
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| It is based on the similarity in volume between an electronic lone pair and oxide or fluoride anions, and on the vacancy created by the replacement of a lone-pair by a non-lone-pair cation. |
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| Analogously to lead monoxide, lead dioxide is capable of forming plumbate anions. |
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| The first route is a synthesis involving the nucleophilic aromatic displacement of carbonyl-activated halides by phenoxide anions, in which a diaryl ether linkage is obtained. |
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| These cations readily hydrolize to genetrate molybdate anions. |
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| These cations are linked to the sulfate anions via hydrogen bonds. |
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| Most acids dissolve in water to yield the corresponding anions. |
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| When blood flow to areas of the brain is restricted, reactive oxygen compounds like superoxide radical anions, hydrogen peroxide, and hydroxyl radicals form and accumulate. |
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| Anions including tungstate or sulfate cannot effectively replace molybdenum binding. |
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