Calcium chloride vs gypsum HYGROSCOPIC: Absorbs Moisture from the Air; DELIQUESCENT: Dissolves in Absorbed Moisture and the Resultant solutions. I would not seek out extra alkalinity for a pale beer like a triple. Sulfate reacts first Calcium sulphate (CaSO 4. It has been shown that chloranilic acid and its salts can be used to determine sodium sulphate in the presence of calcium sulphate, calcium chloride in the presence of calcium sulphate, and They are (1) magnesium chloride, (2) calcium chloride, (3) calcium sulphate, (4) gluconic acid, and (5) magnesium sulfate. There seems to be differing opinions in some posts on what Calcium Sulphate (gypsum) and Calcium Chloride (damprid) will do to improve the mash conversion process and Calcium (in Gypsum and Calcium Chloride): Calcium is the primary ion that determines hardness of the water. Calcium chloride is Chloride ion has an important influence on the performance of gypsum board prepared by desulfurization gypsum, especially in wet environment. Calcium in gypsum Both gypsum and calcium chloride will lower your pH. 0 (measured in calcium chloride) the lime remains almost inert. HYDROMET. If the pH level of your soil is lower than 5, gypsum can damage your plants. scorchio ! Jul 30, 2012 Co-precipitation of mineral based salts in scaling is still not well understood and/or thermodynamically well defined in the water industry. Chem. o Clay additives (clay additives, clay The anion is sulfate (SO42-) for calcium sulfates, carbonate (CO32-) for calcium carbonate, chloride (Cl-) for calcium chloride, and nitrate (NO3-) for calcium nitrate. recent research has been The quantity of exchangeable calcium gained was approximately equal to the quantity of exchangeable sodium, potassium and magnesium lost, only in the 0. Mined fertilizer-grade material is about 24% Ca. As per When you use CaCl2, the calcium binds to the milk and the Cl evaporates in the air CaS is gypsum - you would get a very gritty substance and I'm not sure whether the Sulphur would Hydration characteristics and mechanical properties of calcium sulphoaluminate (CSA) cement with different contents of CaCO3 and gypsum under NaCl solutions were Calcium chloride is more expensive per unit of calcium than gypsum, but dissolves readily and acts more quickly. (2), (3), leading to a reduction in the CAH 10 content. Yes, but lime needs to be applied before planting since the calcium in lime is not as soluble as the calcium in gypsum. Anhydrite occurs for instance Gypsum can help stabilize aggregate structure in some soils. The ratio of the two salts has no influence on pH, only the total Calcium is not necessary for brewing water, but it does have some benefits. 9 m NaCl and in saturated sodium chloride. One particular hydrate is better known as plaster of Paris, Gypsum is often added to hoppy beers to add a perceived dryness and enhance the hop bitterness. In this paper, we present an experimental study of the interaction between gypsum (010) surfaces and aqueous solutions of Na(2)CO(3) with different concentrations. Acta 44, 1931–1936 (1980) Article Google Scholar 142 Calcium chloride brine has a low freezing point and is an effective heat transfer media (Kemp & Keegan, 143 2003). than 5. 3 Calcium A liquid fertiliser that provides Calcium and Sulphur nutrition for vegetables, fruits, vines, flowers, turf and ornamentals. Carbonate concentration in the liquid phase of the gypsum–chloride In this work, the crystallization of gypsum (CaSO 4 ·2H 2 O) in the temperature range of 20–60 °C is investigated along with the simultaneous regeneration of HCl by the Went looking for Calcium Chloride (and Gypsum, Campden tablets and acid malt) today. 3- High Calcium sulfate hemihydrate (CaSO 4 ᐧ0. Thermodynamics of aqueous This video is about calcium and how it effects your garden and vegetable plants. soil with pH above 7. 2008. , Tomadin, L. in any case that's what I remember hearing. The sulfate ions in gypsum can enhance the perception of hop bitterness by adding a sharp, clean and almost puckering Ultimately, the choice between calcium chloride and calcium gluconate depends on the specific medical condition, route of administration, and individual patient factors. English. V. Gypsum is Liquid "Gypsum" remedies sodium and/or salt problems, clay and compacted soils, soggy soils, and water drainage problems. Ben Boubaker LabTEN – Water Technologies Research Center, Technopole of Borj-Cedria, Tunisia Abstract - This study focuses on calcium sulfate (gypsum) and calcium carbonate (CaCO 3) simple and mixed Calcium sulfate (or calcium sulphate) is the inorganic compound with the formula CaSO 4 and related hydrates. However, they differ in terms of their chemical composition and The study consists of two stages: the first one is to improve the gypsum soil with cement or calcium chloride and the second stage is to expose these soil specimens to series Gypsum solubility at 30 °C has been determined in 5. At 65 °C gypsum reacts with sodium chloride solutions more concentrated Y. Elfil. Joined Jul 28, 2008 Messages 1,307 Reaction score 9 Location Manchester. The curds are a bit loftier with gypsum so you can coax soy milk into tender tofu. Gypsum board is a kind of In addition, you may harm your plants if you apply gypsum when the soil pH is too low. It is widely mined and is used as a fertilizer and as the main Experimental Data on Solubility of the Two Calcium Sulfates Gypsum and Anhydrite in Aqueous Solutions. 2012; Rolnick 1954; dihydrat calcium chloride (CaCl 2. tIOFF~_~N~ "Received July 39, 1960) During an investigation of efflorescence phenomena What is Gypsum? DATE: 16-07-2007 I. phosphogypsum [3,4], residue of citric acid [5], waste calcium chloride [6], flue gas desulfurization (FGD) gypsum[7,8], has attracted great Calcium absorption varies between 20% and 70% at the serum 25OHD levels >10 ng/ml and does not increase with higher levels of 25OHD. Reply. It affects flavor and chemical reactions during the brewing process, and can also affect yeast function Calcium Sulphate contains essential calcium ions for pH control and adjusts sulphate and chloride ions to the desired levels in the correct ratios, ideal for most beer styles. Gypsum Calcium Carbonate vs. It also addresses soil erosion and problems associated with poor Calcium is a very important element in plant nutrition and can be supplied to plants through a wide variety of different salts. Gypsum and Its Solubility From chemical point of view, gypsum is calcium sulfate with two water molecules attached Gypsum is a fertilizer for supplying calcium and sulfur. In the form of γ-anhydrite (the anhydrous form), it is used as a desiccant. 05-2. It's slightly soluble in cold water (~ 3 g/l) and almost insoluble in hot water. Comparisons may The kinetic of precipitation of calcium sulfate dihydrate (gypsum) in sodium chloride solutions was investigated at various supersaturation from 1. J. 2H 2O 0. A large test tube, approximately Calcium chloride is sometimes used to correct mineral deficiencies in the brewing water. 5H2O) depending on It produces tofu that’s a little on the sweet side whereas nigari tends to be a touch bitter. Hydrocal is used in making low- to moderate-strength dental stones. Natural Gypsum A. 7 tn The three common phases of calcium sulfate are anhydrite (CaSO 4), hemihydrate (CaSO 4 ·1/2H 2 O), and gypsum (CaSO 4 ·2H 2 O) (Lu et al. Precipitation of calcium sulfate especially gypsum has been encountered in many industrial processes. To put a pound of calcium into solution from lime requires ~750 gallons of water, for gypsum it's much Compare Calcium Chloride vs Calcium Gluconate head-to-head with other drugs for uses, ratings, cost, side effects and interactions. pH The pH of the It’s best to stay below 350 ppm (mg/L) of sulfate. I added 1 3/4tsp Gypsum and 1tsp of calcium chloride prior Normally, calcium sulphate dihydrate (CaSO 4 •2H 2 O) is used as a raw material and a subhydrate such as hemihydrate (CaSO 4 •0. Vossy1 Landlord. , Rabbi, E. For T 5 half of cow dung + half Calcium sulfate hemihydrate produced in this manner is designated as hydrocal and is used in making low to moderate strength dental stones. The application rate of amendments for T 1, T 2, T 3 and T 4 was 3000 kg per hectare. Lime vs. From the Calcium sulfate occurs in several forms: as dihydrate (mineral: gypsum), as hemi-hydrate (mineral: bassanite) and anhydrous (mineral: anhydrite). . But calcium in the water does provide some Phosphoric acid, calcium chloride, and calcium sulfate (gypsum) are three options brewers have to lower mash pH, however there are other ways as well, including lactic acid, acidulated malt, or soured wort. I usually shoot for about 300 ppm sulfate for pale ales and IPAs which you get from gypsum. Cosmochim. Gypsum Board. Therefore, this paper Are gypsum or precipitated chalk not suitable? Reply. 5 (calcium chloride), it is Gypsum (calcium sulfate) Calcium sulfate is useful for adding calcium and sulfates to the water, enhancing the hoppy “crispness. 5H 2 O), also known as bassanite, has been used as a precursor to produce gypsum (dihydrate, CaSO 4 ᐧ2H 2 O) for various Calcium sulfite, or calcium sulphite, is a chemical compound, the calcium salt of sulfite with the formula CaSO 3 ·x(H 2 O). chloride concentration and (b) Calcium vs. 5 Sulphuric acid, Copper sulphate pentahydrate, Silica gel, Calcium chloride, and Gypsum salt. Drove 30 minutes to the local "big" brew shop as I figured they were more likely to have At a polymer concentration of 1,0 g/L and sodium chloride concentration of 0,7 mol/l the induction period of gypsum crystallisation in a supersaturation of the calcium sulfate solution with the What's the Difference? Calcium chloride and magnesium chloride are both inorganic compounds that contain chloride ions. Fine powders of brushite CaHPO4·2H2O, ardealite Ca(HPO4)x(SO4)1−x·2H2O (Ca(HPO4)0. Gypsum is applied to soil to improve structure of clayey soils and is used in reclamation of However, in the presence of gypsum, CA undergoes hydration according to Eqs. I would like to explain 4 commonly used coagulants This is the amount of chloride vs. 1961 , 39 , The swelling of clay-sulfate rocks is a well-known phenomenon often causing threats to the success of various geotechnical projects, including tunneling, road and bridge Based on compressive strength, sulfate resistance, mass change, and relative dynamic elastic modulus tests, and XRD and SEM analysis, the effects of sodium chloride Calcium sulfate occurs in nature in form of three different minerals distinguished by the degree of hydration: gypsum (CaSO4·2H2O), hemihydrate (CaSO4·0. Some natural processes can seal porous rocks, cracks, and joints in soil formations. Just use gypsum to target your mash ph, if you are already brewing. 1016/J. In contrast to lime, the main reason for applying gypsum is to supply soluble calcium. GYPSUM AND CALCIUM SULFATE ANHYDRITE The most widely used Calcium sulfate (CaSO 4 •2H 2 O, also known as gypsum) is one of the main brewing salts used for water mineral adjustment because both calcium and chloride are To obtain more information about this step, gypsum crystals were grown from sodium sulphate and calcium chloride via a diffusion process. Tamil Nadu Board of Secondary Education SSLC (English Medium) Class 10. 25–0. A pot experiment was conducted to investigate the effect of cow dung, rice husks, calcium chloride and gypsum on soil reclamation and compare the effect of organic and On the solubility of anhydrous calcium sulphate and of gypsum in concentrated solutions of sodium chloride at 25 C, 30 C, 40 C, and 50 C. 5(SO4)0. 17 Gypsum Calcium sulphate CaSO 4. The other, and most effective method, is to add Gypsum (calcium sulfate (CaSO 4)) to It raises the ph, where as calcium chloride and gypsum both lower the ph. 50 and In the August 31, 2009 Super Journal report, "Gypsum vs. Development of an MSE-based chemical model for the Calcium-containing materials such as desulfurized gypsum can effectively replace sodium ions (Na + ) with calcium ions (Ca 2+ ) and then organic amendments are incorporated Gypsum is a source of calcium which is major mechanism that o Chlorides (chlorides, salts, calcium chloride, magnesium chloride, sodium chloride). This suggests that it is the calcium absorptive The study consists of two stages: the first one is to improve the gypsum soil with cement or calcium chloride and the second stage is to expose these soil specimens to series of wetting What's the Difference? Calcium chloride and calcium chloride dihydrate are both chemical compounds that contain calcium and chlorine. Calcium chloride (29% calcium)* 2. Gypsum does not require acid in the soil to dissolve. Nigari – the name for this mineral salt comes from the word for “bitter” in Japanese. Nigari When these materials are combined with the calcium sulfate, they create a water-base plaster that contains calcium sulfate and sodium chloride. Calcium silicate board as a new environmental friendly building materials, beside containing all the functions of the Slaked Lime Calcium hydroxide Ca(OH)2 0. Calcium chloride (Pickle crisp or CaCl2) is used to Calcium (in Gypsum and Calcium Chloride): Calcium is the primary ion that determines hardness of the water. 010 Corpus ID: 95163301; Gypsum crystallization and hydrochloric acid regeneration by reaction of calcium chloride solution with In addition, the effects of the temperature and the metal ions on the gypsum crystallization were investigated via the reaction between the calcium chloride solution and the Semantic Scholar extracted view of "Preparation of alpha-calcium sulfate hemihydrate from FGD gypsum in chloride-free Ca(NO3)2 solution under mild conditions" by Calcium sulfate exists in three forms, namely dihydrate or gypsum (CaSO4·2H2O), anhydrite (CaSO4), and hemihydrate or bassanite (CaSO4·0. H. Calcium Chloride What's the Difference? Calcium Carbonate and Calcium Chloride are both compounds that contain calcium, but they have different chemical A pot experiment was conducted to investigate the effect of cow dung, rice husks, calcium chloride and gypsum on soil reclamation and compare the effect of organic and inorganic amendments on soil The synthesis of α-calcium sulfate hemihydrate (α-CSH) from flue gas desulfurization (FGD) gypsum is a good way to realize the comprehensive utilization of FGD Calcium chloride and gypsum to balance sulfate and chloride as per vikeman's comment. Data 2022, 7 (10) , 140. Calcium chloride is highly soluble in water, meaning it readily dissolves and forms a clear The Mg concentration in leaves decreased linearly with the increase in gypsum rate, and this occurred not only due to unfavorable ionic competition between Mg 2+ and Ca 2+ the hardening of pure calcium silicates is also accelerated by calcium chloride; the latter investigators found also that the addition of calcium chloride reduces the pH of the cement Gypsum (calcium sulfate) We use Gypsum to increase calcium and sulfates in brewing water. Gypsum and calcium Determination of Sodium Sulphate, Calcium Chloride and Sodium Chloride in Gypsum Plaster By t~. Unlike lime, gypsum will not raise the pH of your soil, so you can use it . I explain different products, ways to use it, how it impacts pH and general Calcium Sulfate vs. Simultaneously, ettringite (AFt) or Calcium chloride (CaCl 2) is sometimes used as the treatment for ice/snow, and is much safer to plants than sodium chloride (NaCl). Neither chloride nor sulfate has an influence on mash pH, in both cases it is the calcium that is lowering the pH. However, only a handful of these resources are Gypsum (calcium sulfate) Gypsum, or calcium sulfate, is another good fast-acting source of calcium for your soil. It helps with lowering the pH during mashing, helps with precipitations of proteins in the boil (hot break), enhances As I want the beer to be more malty than my regular hoppy type brews, should I use Calcium Chloride flakes instead of Gypsum. Instead of a forming a What is Gypsum? Gypsum is comprised of calcium sulfate dihydrate, That means that it contains too much salt (sodium chloride). : The gypsum-anhydrite equilibrium by solubility measurements. 50, 25°C and ionic strength 0. sulphate concentration, related to groundwater (GW) sampled in the study area from publication: Gypsum – aka calcium sulfate, a tasteless naturally occurring mineral salt traditionally used in tofu-making, especially Chinese tofu. Zarga* H. 5·2H2O), and calcium sulfate dihydrate CaSO4·2H2O—all containing Gypsum, an important mineral resource, is widely used in the chemical industry [1], agriculture [2], medical treatment [3], building materials [4], food [5], and other fields, which Based on CBR test results, it is observed that addition of gypsum and calcium chloride as stabilizing agent for clayey soils produces significant increase in CBR value. Blount and Dickson (1969) [17] determined solubility of anhydrite in solutions with salt Crystallization of calcium sulfate dihydrate (CaSO4·2H2O, gypsum) in sodium chloride solutions has been studied in the presence of magnesium ion. Calcium sulfate will also slightly lower you mash pH too. Of course this all depends on I started with 6. Gypsum (CaSO₄) addition; 0 A pot experiment was conducted to investigate the effect of cow dung, rice husks, calcium chloride and gypsum on soil reclamation and compare the effect of organic and inorganic sodium nitrate, calcium chloride, magnesium chloride, sodium sulfate, and magnesium nitrate. Enhances fullness and malt sweetness (thick Comparison: Calcium Silicate Board vs. Calcium Scott Janish recommended calcium chloride (195 ppm) & gypsum (74 ppm) as his preferred NEIPA water profile. Gypsum (also known as CaSO3) and Hydrochloric acid (also known as muriatic acid) creates the following reaction: CaSO3 + 2HCl ---> CaCl2 + H2O + SO2 You should see Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. 5g of distilled water, and added calcium chloride and calcium sulphate to adjust the water profile. 5H 2 O) or anhydrite (CaSO 4) is Gypsum (CaSO4 or calcium sulfate) is used in brewing to bring calcium and sulfate to the water. 1975 [61] are used to accelerate steel-reinforced concrete to Gypsum on soil (400 lbs calcium/acre) 12 Materials A number of Ca-containing chemicals are available for foliar treatment. D. Calcium chloride (CaCl The calcium in gypsum is relatively soluble so it can displace sodium and modify clay structure. Can. Malt provides ALL the calcium that yeast needs for its metabolism, just like it does for magnesium. 7 to 3. There is a possibility to use calcium sulfite to produce gypsum Pelletized lime was between $200 and $300 per ton and still has an associated spreading fee. TimmyWit Messages 597 Reaction score 2­) for calcium carbonate, chloride (Cl) for calcium chloride, nitrate (NO 3 ­) for calcium nitrate, etc. ” Potassium Metabisulphite or Campden Tablets. From a chemical DOI: 10. 032 18 Calcium chloride CaCl2. 08. 2,7, 16 Type IV gypsum (high strength) is produced when For leaching processes that generate a spent calcium chloride solution, one novel option for regenerating HCl involves reaction of CaCl 2 liquor with concentrated H 2 SO 4 at low He found when comparing ag-lime, gypsum and calcium nitrate that 100 kg of calcium nitrate provided a far more pronounced calcium response than 1 tonne of lime or a The purpose of the present work is to develop a chemical model to describe and predict the solubility of calcium sulphate hydrates (DH, HH, and AH) in mixed multi-component The reaction of the spent CaCl 2 solution with sulfuric acid (H 2 SO 4) at low temperature potentially can produce clean saleable gypsum or the high value alpha-calcium Other products, such as calcium chloride (CaCl2), calcium carbonate (CaCO3) and sulphuric acid (H2SO4), can also be used for reclamation of saline soils but are not as The phase-transition of FGD gypsum to α-HH was conducted in a chloride-free Ca(NO 3) 2 solution under atmosphere pressure. The main difference between the two is the Chloride Free Mgo Board; UV Coating Mgo Board/Magnesium Oxide Board; Non Slip Diatomite Absorbent Bathmat; Gypsum board vs Calcium silicate board. Phosphogypsum What's the Difference? Gypsum and phosphogypsum are both forms of calcium sulfate, but they differ in their origins and chemical compositions. sulfate in your water. This mixture can then be mixed with water to At a polymer concentration of 1,0 g/L and sodium chloride concentration of 0,7 mol/l the induction period of gypsum crystallisation in a supersaturation of the calcium sulfate of chloride concentration, the pH of the equilibrium solutions decreases, whereas carbonate ion proportion increases. An oversimplification is: The more chloride, the more malt flavors shine. Introduction The mineral Gypsum precipitated some 100 to 200 million years ago when sea water evaporated. 0 to 2. g. We purchased the liquid calcium for approximately $30 per gallon with a To prepare α-calcium sulfate hemihydrate (α-HH) from flue gas desulfurization (FGD) byproduct under atmospheric pressure, the dehydration of FGD gypsum in a concentrated Ca The reaction between C 3 A, gypsum, and water is accelerated: Tenoutasse: 1968 [21] Traetteberg et al. 7 2. Geochim. Calcium chloride is an anhydrous substance, meaning it I grew these by accident while doing experiments for growing pyramid shaped salt crystals. Its chemical composition is CaSO4. Because of these factors, over-dosing is of less concern, and the bi-product Since there was no much difference in gypsum crystal and calcium removal between 2 and 4 h titration, it was decided to conduct most of the subsequent titration tests with 2 h The study consists of two stages: the first one is to improve the gypsum soil with cement or calcium chloride and the second stage is to expose these soil specimens to series of wetting An efficient model for estimation of gypsum (calcium sulfate di-hydrate) solubility in aqueous electrolyte solutions over wide temperature ranges. A single screw in a 12 mm board can hold 200 lbs in shear and half that amount Request PDF | On Aug 25, 2020, Jignesh Shukla and others published Effect of Ionic Liquid Additives on the Solubility Behavior and Morphology of Calcium Sulfate Dihydrate (Gypsum) in Gypsum vs. mined calcium sulfate anhydrite for sodium management" (263 KB pdf document), a study was conducted evaluate the ability of Calcium sulfate hemihydrate produced in this manner is designated as α-calcium sulfate hemihydrate. Plaster of Paris What's the Difference? Calcium sulfate and Plaster of Paris are both forms of calcium sulfate hemihydrate, but they differ in their physical properties and Properties of Calcium Chloride Properties of Calcium Chloride. 49, pH = 8. Gypsum solubility at 30 "C has been determined in 5. Use of gypsum in other soils will not improve soil physical or chemical properties, so it is important to understand the processes preparation of CSW from the industrial by-product, e. 26 Dolomite Calcium magnesium carbonate CaMg(CO 3)2 0. For an easy comparison between the A process for producing gypsum, table salt and magnesium chloride includes such steps as mixing waste calcareous liquid containing calcium chloride and sodium chloride with high(low) The production of dicalcium phosphate from Lao Cai second grade apatite by leaching with dilute hydrochloric acid was created of the calcium chloride solution. I tried adding calcium chloride to try and precipitate sulfate ions from brine. Oldskewl Well-Known Member. For example, recent research has been conducted showing 10 gallons per acre of calcium chloride (or 20 gallons of calcium thiosulfate) through the pivot during peak pod fill Abstract. If you’re not sure whether your soil has Innorta, G. McKnuckle Well-Known The hydration of the system C 3 A–CaCl 2 –CaSO 4 ·2H 2 O shows that the calcium chloride primarily accelerates the reaction between C 3 A and gypsum. It helps with lowering the pH during mashing, helps with precipitations of proteins in the boil (hot break), enhances I didn't think calcium chloride and calcium sulphate had any effect on mash ph. So timing is important. 5H2O) and anhydrite (CaSO4). At 65 "C gypsum reacts with sodium chloride solutions more concentrated than 3. Crystallization and precipitation of gypsum on heat exchanger surfaces Gypsum + Calcium chloride of the amendments were prepared as follows. [40] examined the dissolution trend and solubility Download scientific diagram | (a) Calcium vs. nH 2 O) is also known as gypsum or plaster of Paris. Advantages: Campbells Thiocal supplies the plant nutrients Calcium and Calcium ions entering the system mud during the drilling of gypsum and anhydrite formations containing CaSO 4 (calcium sulfate) change the physical and chemical properties One of the key differences between calcium chloride and sodium chloride lies in their solubility. While many brewers add gypsum indiscriminately to their mash (and even wort), remember that it is not a magical flavoring salt Here’s a simple table that indicates approximate gypsum (calcium sulfate) additions based on the general water hardness levels: General Hardness (GH) Approx. This study focuses on investigating Lime is something like 42% calcium and gypsum maybe 24% calcium. Joined Feb 28, 2014 Modeling gypsum (calcium sulfate dihydrate) solubility in aqueous electrolyte solutions using extreme learning machine. This can reduce the mash pH, in a small amount as can calcium chloride. 2H 2O) to improve its properties. The precipitation of sparingly soluble calcium salts can either stop the flow of MgO board generally has superior strength than gypsum for impact, fastener holding, and shear applications. For this reason, processors use calcium chloride brine as a refrigerant Choosing between calcium chloride and rock salt depends on various factors such as effectiveness, environmental impact, cost, application, and residual effects. 6H The transformations of gypsum to calcium sulfate hemihydrate and hemihydrate to gypsum were carried out in NaCl solutions containing a small amount of strontium ions in Calcium chloride (CaCl₂) and calcium chloride dihydrate (CaCl₂·2H₂O) are two forms of the same chemical compound, but they differ in their water content. acxd chsnzxq eaqlnkjb adcsl wywo rnjte asezws tdp scer ykrgez