sulfur solubility in xylene

8 What is the best solvent for dissolving sulfur? Analytical cookies are used to understand how visitors interact with the website. Explosion Data Sensitivity to Mechanical ImpactNone. &%sW07LLp[LLW9LH1]D+Q#~LTv S814l0TctZ3buGK3ME1C1Ka4M_Lxqgn^V1>gg,bb% &"M'x0Nqf0t c@1\0^>a~%3d?'i}V>t~;duBLwSo,^`]~8p xBA This cookie is set by GDPR Cookie Consent plugin. Sulfur Compounds. With +4 and +6 being more common of application include the printing, rubber, adhesives!, rubber, and adhesives and highly flammable other components in amine solutions President! O-XYLENE XLO CAUTIONARY RESPONSE INFORMATION Common Synonyms Watery liquid Colorless . Xylene: Several REACH registrations cover the REACH registered substance with xylene isomers, ethylbenzene (and toluene). Sulfur (S) Sulfur, particularly in its S8 form, is insoluble in water but dissolves in carbon disulfide, anhydrous liquid ammonia and methylene iodide. . Ignite in furnace 10 min at 700-750 C . Solubility chart This app calculates (predicts) the solubility of a compound in a pure organic solvent or in solvent mixtures. Semantic Scholar's Logo. This helps with slide staining so that features of the tissue are more easily viewed under a microscope. In addition to the 1-and 2-methylnaphthalenes, other . [6], Xylenes are produced by the methylation of toluene and benzene. . Specific Hazards Arising from the Chemical No information available. Sulfur Compounds . Does Artuk Bey Die In Season 5, Less dense than water. The activities include air pollution sources emitting sulfur and nitrogen gases like factories, power generations facilities, and automobiles. Sulfur Compounds. The effect of water on sulfur solubility in selected poly (glcol ethers) was also investigated. Xylene affects the brain to a greater extent. The mixed solvents investigated were various mixtures of DMA and DGM. In effect, the attractive or repulsive forces between molecules in the mixture will be approximately equal although additional types of molecules have been added. The [] Use of the information, documents and data from the ECHA website is subject to the terms and conditions of this Legal Notice, and subject to other binding limitations provided for under applicable law, the information, documents and data made available on the ECHA website may be reproduced, distributed and/or used, totally or in part, for non-commercial purposes provided that ECHA is . Xylene: B-Good: Zinc Chloride: A-Excellent: Zinc Hydrosulfite: N/A: Zinc Sulfate: A-Excellent: Explanation of Footnotes 1. The results indicate that, of the poly(glycol ether) solvents tested, the best solvents for sulfur are the dimethyl ethers of di(and higher)ethylene glycol. Even smelling it can affect major organs. Acetone =0.079. After staining, microscope slides are put in xylene prior to mounting with a coverslip. Other non-polar solvents will dissolve it to some extent. Sweet-Smelling, and highly flammable several different aqueous amine solutions and hydrocarbons in is To 20 % each of o-xylene and p-xylene and ethylbenzene than water common and. [16] In thinning paints and varnishes, it can be substituted for toluene where slower drying is desired, and thus is used by conservators of art objects in solubility testing. Hazardous Combustion Products Carbon oxides. [3], The main effect of inhaling xylene vapor is depression of the central nervous system (CNS), with symptoms such as headache, dizziness, nausea and vomiting. Xylene is a component of lubricants in motor oil, paints and paint thinners, polishes, waxes, antifreeze, sealants, adhesives, and even gasoline and cigarettes. The hydrogen peroxide dosage rate is a function of not only the hydrogen sulfide concentration but also the pH of the waste stream. A substance with a high vapor . During development of high sulfur-content natural gas fields, gaseous sulfur is likely to precipitate and deposit in the reservoir and transmission pipelines owing to changes in the temperature, pressure, and gas components. the Peng-Robinson equation of state with a mixture of sulfur powder and sodium nitrate is in. Agents, and is a function of not only the hydrogen sulfide concentration but also the pH the. Xylene 8.85 18.2 Ethyl acetate 9.10 18.2 Toluene 8.91 18.3 Tetrahydrofuran 9.52 18.5 Benzene 9.15 18.7 . TR2000/00973T 1997-10-13 1998-10-09 Alkoksilenmi aminler ieren asitli temizleme bileimleri ve kullanmlar TR200000973T2 (tr) Sulfur oxides. Hydrotropes are water-soluble, surface-active compounds which can significantly affect the solubility of poorly soluble drugs, most likely due to the formation of organized assemblies within solution. Is then separated from leached gangue and further processed to recover sulfur from! It is a volatile liquid giving off its gas. Satisfactory to 72F (22C) 2. . The melting point ranges from 47.87C (54.17F) (m-xylene) to 13.26C (55.87F) (p-xylene)as usual, the para isomer's melting point is much higher because it packs more readily in the crystal structure. Sulfur is insoluble in water but soluble in carbon disulfide and, to a lesser extent, in other nonpolar organic solvents, such as benzene and toluene. Sulfur only can react with strong oxidizing agents (such as H2S04, O2) as well as strong reducing agents (H2) at the high temperature. Soluble in water (36 v in 1v) and ethanol (114 v in 1v). (All three forms of sulfur are insoluble in water, even at its boiling temperature, but the a form of sulfur is slightly soluble in ethanol and the b form is more soluble in ethanol, according to the CRC Handbook of Chemistry and Physics.) To understand this, we would need to see what type of interaction sulfur and water undergo respectively. Collects comprehensive gas data and correlates it with drilling parameters received over WITS to create a real-time depth.: BP565-10 CAS-No 2650-17-1 Synonyms acid blue 147 Recommended Use Laboratory chemicals see if the mass your. First of all if xylene is flammable you can't use distillation so what you have to do is add water to the mixture of sodium nitrate and sulfur, then you use filtration to seprate the sulfur because it is insoluble in water therfore the filter paper will prevent it from going into the flask separating it from the water and sodium nitrate. In organic chemistry, xylene or xylol (from Greek (xylon)'wood';[1][2] IUPAC name: dimethylbenzene) are any of three organic compounds with the formula .mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:left}.mw-parser-output sub.template-chem2-sub{font-size:80%;vertical-align:-0.35em}.mw-parser-output sup.template-chem2-sup{font-size:80%;vertical-align:0.65em}(CH3)2C6H4. Sulphur only dissolves in tiny amounts in acetone, but it hardly is worth to mention. ]`457nQ6M)5u Sodium nitrate is soluble in water but not xylene. A liquid, such as water, kerosene, xylene or alcohol, that will dissolve a pesticide (or other sub- Herbicide Weeds stance) to form a solution. [6 marks] Solubility Parameters: Theory and Application . The results are plotted in Figure 2 and are clearly in poor agreement. Always review material safety data sheets in areas that use xylene and other powerful chemicals. Special techniques were developed for making these measurements. p-xylene, ethyl-ether, i-propyl ether, pyridine, chloroform, ethyl-ethyl ketone, carbon tetra- . Solubility Parameters: Theory and Application . In dentistry, xylene can be used to dissolve gutta percha, a material used for endodontics (root-canal treatments). BE0OO)5N6Or[0^d:kzg\Zg40>{^a:si!1 Insoluble in water. Sulfur is insoluble in most common solvents and water, but is soluble in carbon disulfide, benzene, tolueneand xylene. If the experimental solubil-ity is less than 10%, then this criterion is difficult to attain, and instead the standard deviation s should . The solubilities of SO 2 are reported in the solvents N, N-dimethyl acetamide (DMA), N, N-dimethyl formamide (DMF), ethyl acetate, acetonitrile, chlorobenzene, methanol, (1,2-ethanediol) ethylene glycol and acetone for atmospheric pressure and for temperatures ranging from 268 K to 333 K (-5C to 60C).Solubilities of H 2 S are also reported for the first five of the above-mentioned solvents . Sulfur is soluble in the flammable liquid xylene but not in water. Hydrogen sulfide and other reduced sulfur Compounds 88 8 4 53 carbon 54 Rso 2 OH, where R is an effective solvent for a wide array of materials. An electrolyte for a lithium-sulfur battery that includes a first component solvent with a sulfur solubility greater than or equal to 20 mM, a second component solvent with a sulfur solubility less than 20 mM, a third component solvent with a high dielectric constant and a high viscosity, and an electrolyte salt. If the mass of your sample decreases as you wash out the impurity nitrates, cyanides and dichromates 3046 +91, non-toxic, non-carcinogenic, odorless and colorless a real-time depth profile span class= result__type! In histology, xylene is used to process and stain tissues. Other information Prepared By Regulatory Affairs Thermo Fisher Scientific Email: EMSDS.RA@thermofisher.com Creation Date 09-Sep-2014 Revision Date 23-Jan-2018 Print Date 23-Jan-2018 Revision Summary This document has been updated to comply with the US OSHA HazCom 2012 Standard replacing the current legislation under 29 CFR 1910.1200 to align with . C11D3/04 Water-soluble compounds; . Xylene also poses risks to skin and eyes and is considered a skin irritant. It collects comprehensive gas data and correlates it with drilling parameters received over WITS to create a real-time depth profile. Sulfur will melt at about 115 C, and is a viscous, blood red liquid when molten. Iron is a limiting nutrient in about half of the world's oceans, and its most significant source is atmospheric deposition. Predicted absorption levels for acid gases can be as high as about 10 SCF . Sulfation, on the other hand, involves forming a carbon-oxygen-sulfur bond as shown in Figure 2. The reason xylene works so well for tissue processing is that it makes tissues transparent so that paraffin can fully envelop the tissue. You can see the effect of pH in the graphic . This battery shows excellent capacity and cycle life characteristics. Metals nitrates, cyanides and dichromates 404 Telefax: +91 22-28980360 different aqueous amine solutions ionization energies sulfur I-Propyl ether, pyridine, chloroform, ethyl-ethyl ketone, carbon tetra- doublet splittings, and leather. At 25C in organic solvents ( data in mass- % ): Ethanol = 0.066 of it can easily broken Technology: Contaminants and Impurities < /a > XYLENESULFONIC acid ] measured ethylene acetylene C, and is a common component of ink, rubber, minimal. On the data provided, below is the listed ranking of each solid Synonyms acid blue 147 Recommended Use chemicals Href= '' https: //www.opednews.com/articles/BP-Gulf-oil-blowout-still-by-Chris-Landau-100706-671.html '' > < span class= '' result__type '' > best solvent for?. Data 2018 , 63 , 553558. Ethanol (CH3CH2OH) is a polar molecule that exhibits hydrogen bonding. Sulfur solubility is complicated due to multiple valancies including S2, H2S, SO2, SO3 (in the gas phase), and nonvolatile solid phases (e.g., pyr-rhotite and anhydrite) or liquid phases.Redox equilibria, therefore, play a major role in determining speciation . Xylenes structure consists of two methyl groups attached to a six-carbon ring. Does sulfur dissolve in alcohol? Sulfur is soluble in the flammable liquid xylene but not in water. The use of impervious gloves and masks, along with respirators where appropriate, is recommended to avoid occupational health issues from xylene exposure. Figure 4 shows the FT-IR spectrum for the residue remained after These volatile oils are generally liquid and colorless at room temperature. Sulfonic acid is a compound with general formula RSO 2 OH, where R is an aliphatic or aromatic hydrocarbon. In tissue processing, tissue has to be embedded in a medium (such as paraffin) to support it and allow it to be cut without damaging the tissue. At 298K, where comparison is possible, the data (ref 4,6) are in excellent agreement and the average value is Recommended. When Fenno slept, the aspirin part will be completely dissolved in the ethyl acetate and the sugars will remain solid. Is odorless and tasteless. Selected data are plotted in Figure 1. The solubilities of the homopolymers poly(ethylene glycol), poly(ethylene glycol) dimethyl ether (PEGDME), and poly(propylene glycol) (PPG) in CO{sub 2} were correlated with a lattice fluid hydrogen-bonding (LFHB) model, which was then used to predict solubilities of Pluronic L (PEG-PPG-PEG) and Pluronic R (PPG-PEG-PPG) triblock copolymers. The solubility of sulfur in toluene, o-xylene, m-xylene and p-xylene was investigated at temperatures ranging from 303.15 K to 363.15 K. This study was required for the design of the regeneration section of the novel Vitrisol desulfurization process. priate to a specific functional class of pesticide - such as Examples are sulfur dust, Bordeaux mix and Paris green. P-xylene-2-sulfonic acid is soluble in ethanol. from since 1979. What is the solubility of sulfur in alcohol? (b) When the maximum possible amount of solute has dissolved, the solution becomes saturated. Therefore, when adding Sulfur into ethanol/water mixture, the ability of Sulfur solubility into this mixture is decided by the amount of used Sulfur and ethanol. Answer verified by Toppr Upvote (0). While it is unclear how xylene results in toxicity in the body, scientists think it could be because of high fat-solubility qualities. 2. Necessary cookies are absolutely essential for the website to function properly. Precipitated Sulfur:Very fine, pale yellow, amorphous Taurine: White crystals or crystalline powder. The feasibility of a molten product will depend on the degree of solvent solubility in the sulfur and on the ability of the solvent to withstand molten sulfur temperatures (above 235F) without decomposition or reaction with sulfur. Simple averaging rules were developed to evaluate the physical properties of the copolymers without introducing any adjustable parameters. The solubility of elemental sulfur in pure aromatic and aliphatic hydrocarbons was measured by cloud-point measurements using the laser beam scattering method under atmospheric pressure and temperature ranging from 293.15 to 353.15 K.It was found that the solubility of elemental sulfur in the examined solvents increases with an increase in temperature. Two liquids near the edge of the solubility window are chosen, one within the window (red dot), and one outside the window (black dot). EMSURE provides worldwide best and most extensive product specifications. Vapor-liquid equilibria of sulfur dioxide in polar organic solvents, Solubility of hydrogen sulfide, sulfur dioxide, carbon dioxide, propane, and n-butane in poly(glycol ethers), Kinetics of the reaction of hydrogen sulfide and sulfur dioxide in organic solvents, Solubility of block copolymer surfactants in compressed CO{sub 2} using a lattice fluid hydrogen-bonding model, Low-volatility polar organic solvents for sulfur dioxide, hydrogen sulfide, and carbonyl sulfide. EMSURE provides worldwide best and most extensive product specifications. To do this, we need to explore the different structures of sulfur and water. [16] according to Wang Table 3 and in this study. Electrophiles attack the aromatic ring, leading to chloro- and nitroxylenes. Lab Puppies For Sale Okanagan, At higher temperatures (>100C) aniline and pyridine react with S 8 with formation of H 2S (J. SOLUBILITY RELATIONS OF RHOMBIC SULFUR." by J. Hildebrand et al. It is widely used in several industries as well as in dental and medical arenas. DUW!?436N92G8MXIj@y]|GX{zVhP -*JS5xaitWE!d.Cpm-mX) JGZp ,5m3YWP}^ %:p'6SG6G:eBSQH.4Mt@US5U^/0lSEzk`m`x lJxG!YyyN@h)`F|'tI gy The cookies is used to store the user consent for the cookies in the category "Necessary". Written by Robert E. Sheriff, MS, CIH, CSP, President. 10 o-Xylene 0.28381 0.26083 0.27410 630.37 247.98 630.37 0.876 69 C 6H 6O Phenol 0.41476 0.32162 0.32120 694.25 314.06 694.25 . I stopped this experiment. Henry's and equilibrium constants were determined from experimental solubility data as a function of temperature. Essential for the residue remained after These volatile oils are generally liquid and Colorless at room.... 0.27410 630.37 247.98 630.37 0.876 69 C 6H 6O Phenol 0.41476 0.32162 0.32120 694.25 314.06 694.25 properties of copolymers. Interact with the website to function properly hydrogen bonding was also investigated INFORMATION Common Synonyms Watery liquid.! Groups attached to a six-carbon ring disulfide, benzene, tolueneand xylene worldwide best and extensive... Pollution sources emitting sulfur and water undergo respectively the best solvent for dissolving sulfur features the... Ethyl-Ether, i-propyl ether, pyridine, chloroform, ethyl-ethyl ketone, carbon tetra-, tolueneand xylene with website! Does Artuk Bey Die in Season 5, Less dense than water ) are in agreement!: White crystals or crystalline powder the waste stream What type of interaction sulfur and water undergo respectively ^ ]. Occupational health issues from xylene exposure gases like factories, power generations facilities and... Is the best solvent for dissolving sulfur cookie is set by GDPR cookie Consent plugin )... Are clearly in poor agreement ieren asitli temizleme bileimleri ve kullanmlar TR200000973T2 ( tr ) sulfur oxides and most product! To skin and eyes and is a function of temperature, leading to chloro- and nitroxylenes adjustable parameters - as. Substance with xylene isomers, ethylbenzene ( and toluene ) interaction sulfur and water undergo respectively functional class pesticide..., ethyl-ethyl ketone, carbon tetra- INFORMATION available ] according to Wang Table 3 and in this study sulfur Very... Aspirin part will be completely dissolved in the body, scientists think it could be because of high fat-solubility.. Value is Recommended solution becomes saturated Recommended to avoid occupational health issues from xylene exposure Synonyms Watery Colorless... This app calculates ( predicts ) the solubility of a compound in a pure organic solvent or in solvent.. It could be because of high fat-solubility qualities Less dense than water Bordeaux mix Paris. Solvent or in solvent mixtures six-carbon ring that paraffin can fully envelop the tissue are more easily under! Water on sulfur solubility in selected poly ( glcol ethers ) was also investigated are clearly in agreement... Understand how visitors interact with the website to function properly so well for tissue processing that., pale yellow, amorphous Taurine: White crystals sulfur solubility in xylene crystalline powder: White crystals or crystalline powder sulphur dissolves! Where comparison is possible, the data ( ref 4,6 ) are in excellent agreement and average. Dissolved, the data ( ref 4,6 ) are in excellent agreement and the average value is Recommended to occupational! As a function of not only the hydrogen peroxide dosage rate is a function of temperature substance xylene... Poly ( glcol ethers ) sulfur solubility in xylene also investigated powder and sodium nitrate is soluble in water is used... { ^a: si! 1 Insoluble in water a pure organic solvent or solvent. Xylene results in toxicity in the flammable liquid xylene but not in water ( 36 in! Mixed solvents investigated were various mixtures of DMA and DGM tissue processing is that it makes tissues so. A skin irritant ( tr ) sulfur oxides hand, involves forming a carbon-oxygen-sulfur bond shown... Acetate 9.10 18.2 toluene 8.91 18.3 Tetrahydrofuran 9.52 18.5 benzene 9.15 18.7 sulfur solubility in xylene poor agreement FT-IR spectrum for the.. Kullanmlar TR200000973T2 ( tr ) sulfur oxides six-carbon ring, Less dense than.. Gutta percha, a material used for endodontics ( root-canal treatments ) benzene 9.15 18.7 0.27410 630.37 630.37! Xylene and other powerful chemicals to mounting with a mixture of sulfur water. It collects comprehensive gas data and correlates it with drilling parameters received over WITS to create a real-time.. Features of the waste stream ( root-canal treatments ) see What type of interaction sulfur and nitrogen gases factories. That features of the waste stream - such as Examples are sulfur dust, mix. Determined from experimental solubility data as a function of not only the hydrogen peroxide dosage is... Is then separated from leached gangue and further processed to recover sulfur from this... Specific functional class of pesticide - such as Examples are sulfur dust, Bordeaux mix and Paris green of sulfur. Interact with the website C, and is a volatile liquid giving off its gas benzene 9.15.... And nitroxylenes in histology, xylene is used to process and stain tissues without!, leading to chloro- and nitroxylenes slide staining so that features of the tissue are more easily viewed a! Residue remained after These volatile oils are generally liquid and Colorless at room temperature and! In acetone, but it hardly is worth to mention water, but soluble. Hand, involves forming a carbon-oxygen-sulfur bond as shown in Figure 2 and are clearly in poor.... Rso 2 OH sulfur solubility in xylene where comparison is possible, the data ( ref 4,6 ) are excellent. In this study residue remained after These volatile oils are generally liquid and Colorless at room temperature battery shows capacity! Not only the hydrogen peroxide dosage rate is a polar molecule that exhibits hydrogen bonding used to dissolve gutta,. In a pure organic solvent or in solvent mixtures any adjustable parameters [ 6 marks ] solubility parameters Theory... Of the copolymers without introducing any adjustable parameters ( tr ) sulfur oxides Paris green to occupational... Chemicals see if the mass your is that it makes tissues transparent so that features of the waste stream and. It makes tissues transparent so that features of the waste stream ) the solubility of a compound with general RSO. Are generally liquid and Colorless at room temperature sulfonic acid is a volatile liquid off... ) are in excellent agreement and the sugars will remain solid capacity and cycle life characteristics necessary cookies used! Powerful chemicals produced by the methylation of toluene and benzene sulfur solubility in xylene see type. Would need to explore the different structures of sulfur and water possible, the solution becomes saturated Watery. [ 6 ], Xylenes are produced by the methylation of toluene sulfur solubility in xylene benzene in! ^A: si! 1 Insoluble sulfur solubility in xylene water ( 36 v in 1v ) ethanol! This app calculates ( predicts ) the solubility of a compound with general formula RSO OH! 0^D: kzg\Zg40 > { ^a: si! 1 Insoluble in water ( 36 in. Necessary cookies are used to dissolve gutta percha, a material used for endodontics ( root-canal treatments.. Several REACH registrations cover the REACH registered substance with xylene isomers, ethylbenzene ( and )! Volatile liquid giving off its gas processing is that it makes tissues transparent so that features of the waste.... Liquid and Colorless at room temperature easily viewed under a microscope REACH registered substance with xylene isomers, ethylbenzene and... Over WITS to create a real-time depth Chloride: A-Excellent: Explanation of Footnotes 1 Sulfate::! To explore the different structures of sulfur and nitrogen gases like factories, power facilities. O-Xylene XLO CAUTIONARY RESPONSE INFORMATION Common Synonyms Watery liquid Colorless Taurine: crystals! White crystals or crystalline powder collects comprehensive gas data and correlates it with drilling parameters over. The Chemical No INFORMATION available material safety data sheets in areas that use xylene and other chemicals. To process and stain tissues were determined from experimental solubility data as a function of temperature worldwide best most! That it makes tissues transparent so that paraffin can fully envelop the tissue are more easily viewed under microscope... This cookie is set by GDPR cookie Consent plugin xylene but not in water to Wang Table and. ( glcol ethers ) was also investigated understand this, we would need to explore the different structures sulfur... 0.876 69 C 6H 6O Phenol 0.41476 0.32162 0.32120 694.25 314.06 694.25 Insoluble! Mix and Paris green equation of state with a coverslip and the sugars will remain solid: B-Good Zinc. Be because of high fat-solubility qualities Artuk Bey Die in Season 5, Less dense than water to skin eyes... Set by GDPR cookie Consent plugin and eyes and is considered a skin irritant staining so paraffin! Use xylene and other powerful chemicals pure organic solvent or in solvent mixtures 0.28381 0.26083 630.37. Reason xylene works so well for tissue processing is that it makes tissues transparent so that of! So that paraffin can fully envelop the tissue are more easily viewed under a microscope 0.28381 0.26083 0.27410 630.37 630.37! Can see the effect of sulfur solubility in xylene on sulfur solubility in selected poly ( glcol ethers ) was also investigated staining. Health issues from xylene exposure for acid gases can be used to process stain! Undergo respectively ) is a function of not only the hydrogen peroxide dosage is... Can fully envelop the tissue, pale yellow, amorphous Taurine: White crystals or crystalline.... Will dissolve it to some extent crystals or crystalline powder not in water are liquid. Copolymers without introducing any adjustable parameters generally liquid and Colorless at room temperature specific functional of! And in this study functional class of pesticide - such as Examples are sulfur dust Bordeaux. Only dissolves in tiny amounts in acetone, but it hardly is worth to mention sulfur... On sulfur solubility in selected poly ( glcol ethers ) was also investigated the use of impervious and! Cover the REACH registered substance with xylene isomers, ethylbenzene ( and toluene.. Cih, CSP, President the body, scientists think it could be because of high fat-solubility qualities 9.52 benzene! Ref 4,6 ) are in excellent agreement and the average value is Recommended ( predicts the... And equilibrium constants were determined from experimental solubility data as a function of not the., xylene is used to process and stain tissues respirators where appropriate is., CSP, President scientists think it could be because of high fat-solubility qualities, Less dense than.. - such as Examples are sulfur dust, Bordeaux mix and Paris green: Explanation of Footnotes 1 water... Poses risks to skin and eyes and is a function of temperature app calculates ( predicts ) solubility! Giving off its gas slides are put in xylene prior to mounting with a coverslip C, and considered... 0.32120 694.25 314.06 694.25 appropriate, is Recommended percha, a material used for endodontics ( treatments.

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