arsenopyrite toxicity

If it is burning, it releases poisonous sulfur and arsenic fumes which if the fumes are inhaled, the results can become fatal. . Arsenopyrite generally occurs with pyrite and gold may be associated with pyrite, arsenopyrite or both minerals in variable amounts. Reactive barriers require reactivity to insure contaminants are reduced in the time they pass . In humans, long-term exposure can lead to the development of respiratory problems (e.g., chronic bronchitis, emphysema, pleural adhesions, and pneumoconiosis), immune system alterations, cardiovascular diseases, gastrointestinal problems, reproductive disorders, and lung cancer (Saerens et al., 2019 ). The results indicated that the sulphur concentration in the surface . https://en.wikipedia.org/wiki/Bukovskyite 1303-18- arsenopyrite Assay:99% Appearance:as description Package:10g,100g, 1kg Storage:dry and cool Transportation:By air or by courier Application:for research Min. The Mineral arsenopyrite Arsenopyrite is the most prevalent mineral containing the element arsenic. cent books, including Aquatic Arsenic Toxicity and Treatment[6] and Natural Arsenic in Groundwater: Occurrence, Remediation and Management. Reactive oxygen species (ROS)-mediated oxidative damage is a common denominator in . Arsenopyrite ( IMA symbol: Apy [4]) is an iron arsenic sulfide (FeAsS). The toxic effect of exposure to arsenic, As(V), at concentrations of 0 to 30 mg L 1, for 49 days, on epipsammic biofilms, was evaluated in a microcosm experiment.The growth and composition of biofilms developed on sediments containing As concentrations of 31 mg kg 1 and 85 mg kg 1 were compared, using photosynthetic parameters and Live/Dead stains as end points. For me living and collecting in Cornwall, with a special interest in tin and tungsten mineralisation, Arsenopyrite is a major accessory mineral and a lot of my specimens have it on them. | Find, read and cite all the . other toxic metals need to be carefully considered. Heating or any other way of altering Arsenopyrite results in release of lethally toxic, corrosive, carcinogenic vapors characterized by a strong garlic odor. Arsenic and arsenic compounds have been used as active ingredients in insecticides, herbicides, pesticides, and chemical weapons. Arsenomarcasite Dalarnite Mispickel. Arsenopyrite crystals were slightly ground, and ne particles were removed by ultrasonic cleaning in acetone. Arsenic exerts its toxicity by inactivating up to 200 enzymes, especially those involved in cellular energy pathways and DNA synthesis and repair. Examples of methylated organic arsenicals include monomethylarsonic acid [MMA (V)] and dimethylarsinic acid [DMA (V)]. Arsenic is one of the most toxic elements that can be found. Hepure has supplied over 1.5 million pounds at hundreds of project sites within the U.S. and internationally. A detailed evalu- In small doses it is toxic and a suspected carcinogen. Evacuate personnel to safe areas.Keep people away from and upwind of spill/leak. toxicity of the solutionshave also encouraged research of other leaching systems (Deschenes et al., 1998; Murthy and Prasad, 1996; Ahgelidis and Kydros, 1995; Iglesias . We investigated the subsurface biomatrix of the most abundant As-mineral, arsenopyrite (FeAsS), and meticulously studied a potential biogenic arsenic mobilization phenomenon. Realgar (/ r i l r,- r / ree-AL-gar, -gr), also known as "ruby sulphur" or "ruby of arsenic", is an arsenic sulfide mineral with the chemical formula -As 4 S 4.It is a soft, sectile mineral occurring in monoclinic crystals, or in granular, compact, or powdery form, often in association with the related mineral, orpiment (As 2 S 3).It is orange-red in color, melts at 320 . Arsenopyrite is highly toxic in nature and is also extremely flammable. When heated, it gives off poisonous arsenic and sulfur fumes, which may be fatal when inhaled in large quantities. Arsenopyrite | FeAsS or AsFeS | CID 15787963 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities . Arsenopyrite is an iron arsenic sulfide (FeAsS). The U.S. Bureau of Mines investigated an alkaline oxidative leaching procedure for treating gold-bearing arsenopyrite (FeAsS) ore, as one of the continuing efforts to develop efficient and environmentally safe metallurgical processes VERY HEAVY 1,025 GRAMS. Reply. I tried chipping some away but there is no garlic smell,just a normal flint odour.Just out of interest is arsenopyrite toxic at all? Arsenopyrite FeAsS - which is 46% Arsenic by weight. Arsenic is a toxic quasi-metallic element often associated with minerals. Only about 5% of arsenic consumption is of the metallic element. While the stone is relatively safe to use in some crystal healing methods, it should never be used as part of a gem elixir. Route/Organism Dose Effect Reference; intraperitoneal/mouse Arsenic trioxide . Arsenic (As) is a toxic metalloid element that is present in air, water and soil. Avoid breathing mist, gas or vapours.Avoid contacting with skin and eye. Is arsenopyrite toxic? [7] . Ferox PRB ZVI reactive iron powder has been specifically designed to optimize reactivity and longevity for reactive barrier applications. In general, arsenic compounds can be ranked from highest to lowest toxicity: It is a hard ( Mohs 5.5-6) metallic, opaque, steel grey to silver white mineral with a relatively high specific gravity of 6.1. PDF | On Jan 1, 2007, Kunal Bhattacharya and others published Cellular uptake and toxicity of inhalable arsenopyrite particles and of its natural analogue hematite. Arsenic is extremely. Arsine is a colorless, flammable, non-irritating toxic gas with a mild garlic odor. May be confused with the iron arsenide lllingite. Important Announcement. copper arsenate [CCA] chemicals), mining of arsenopyrite, electrical waste (semiconductors), insecticides, pesticides, weed controller, disposal of industrial and . Yes, pyrite can contain some arsenic, but since pyrite is not soluble in water or hydrochloric acid it poses no risks when handled. Arsine is similar to a gas called stibine, which is formed when the metal antimony comes in contact with an acid. As deposits of arsenopyrite become exposed to the atmosphere, usually through mining, the mineral slowly oxidizes, converting the arsenic into oxides that are more soluble in water, leading to acid mine drainage (AMD) (Akai et al., 2004; From: Separation Science and Technology, 2019 View all Topics Download as PDF About this page Matariki is an abbreviation of 'Ng Mata o te Ariki Twhirimtea' ('The Eyes of the God Twhirimtea. Arsenic poisoning is a medical condition that occurs due to elevated levels of arsenic in the body. Add a heavy dose of arsenic and you have Arsenopyrite. This work provides evidences for pH dependence of both dissolution rates and surface speciation. Oxidation of arsenopyrite is the widespread mechanism for the distribution of arsenic into the environment. As-3) Regarding Arsenopyrite, yes it contains arsenic, but overall it is not a toxic mineral in its own right. Arsenopyrite is a toxic stone that is an iron arsenic sulfide. The overall reactivity was evaluated by measuring arsenopyrite dissolution rates at pH values of 1, 2 and 4 at three different temperatures (298, 323 and 348 K). Order: 0 Supplier:Shanghai Run-Biotech Co., Ltd. [ China (Mainland)] Premium Supplier. Chronic arsenic toxicity results in . The toxicity of arsenic compounds can vary greatly. the strata-bound peat layer could be the potent residing place for arsenopyrite or other toxic trace elements that may . Identification and removal of the toxic source and supportive measures are primary concerns for the treatment of chronically exposed patients. Non is mined as such because it is produced as a by-product of refining the ores of other metals, . Fool's gold, pyrite, is iron sulfide. toxicity is an alarming issue as the metalloid does not degrade, nor can it be destroyed in the environment. It forms very distinct crystals, which can be large and beautifully formed. It is a hazardous metalloid that causes contamination of soil and water supplies as a result of numerous anthropogenic and natural sources. 70-100 m Oxidation of arsenopyrite in mine tailings Argentina (Chaco-Pampean Plains) 10 million km 2 Shallow aquifers 100-4800 Volcanic ash with 90% rhyolitic glass When arsenopyrite is heated, it produces sulfur and arsenic. It gets its name because of its arsenic-bearing minerals and the steel gray crystals that resemble pyrite in a few different ways. Arsenopyrite contains arsenic, a toxic metal. . An important thing to understand is that for any substance to be harmful, it must have bioavailability . Jul 10, 2017 #11 Arsenopyrite is iron arsenic sulphide, so yeah it is quite toxic. Tel:+86-21-31576854/57171705 / 57171706 Address:second floor, building 3, No.999, jiangyue Road, minghang District, Shanghai, China the biofilm on the arsenopyrite surface. The toxicity of As species in is plant body is reported to follow the order AsH 3 >As (III)>As (V)>MMA (monomethylarsonic acid)>DMMA (dimethylarsinic acid) ( NRCC., 1978 ). Arsenopyrite is an iron arsenic sulfide with a brilliant steel metallic color often found in hydrothermal vents and pegmatites. Arsenopyrite is the silvery mineral More about arsenic. Floatability of arsenopyrite as a function of initial concentration of sodium isopropyl xanthate at various pH values. Acute Toxicity Data and References. Arsenopyrite is an iron arsenic sulfide with a brilliant steel metallic color often found in hydrothermal vents and pegmatites. Other metallic minerals, including lead, silver, gold, tin, and tungsten, may also be found in the same vein. Arsenopyrite is an iron arsenic sulfide (FeAsS). Pyrite is included on lists of toxic minerals because it might contain small amounts of arsenic. When arsenopyrite is heated, it becomes magnetic and gives off toxic fumes. Surface speciation was investigated by RS, and surface features were observed by SEM. If arsenic poisoning occurs over a brief period of time, symptoms may include vomiting, abdominal pain, encephalopathy, and watery diarrhea that contains blood. Arsenic is a type of carcinogen that's gray, silver, or white in color. Calculated As concentrations in equilibrium with the pyrite-arsenopyrite assemblage in the surficial environment are 0.01-0.1 ppm, similar to groundwater in arsenopyrite-bearing rocks in this study (0.005-0.3 ppm), and these waters may be in chemical equilibrium. . When arsenopyrite is heated it gives off toxic fumes and becomes magnetic. 2008]. Toxicity * denotes mobile formatted website. The release of As from minerals into the soil and groundwater . Fact sheet Arsenopyrite Arsenopyrite contains arsenic, iron and sulphur. When dissolved in nitric acid, it releases elemental sulfur. Inorganic arsenic tends to be more toxic than organic arsenic. Despite their toxic effect, inorganic arsenic bonds occur on . Arsenic poisoning typically affects the skin, liver, lungs, and kidneys. . It occurs most commonly in hydrothermal veins in association with such minerals as quartz, pyrite, and chalcopyrite. volcanic systems, toxic waste sites, and hydrometallurgical processes. Arsenic is transported in hydrothermal uids mainly as As(III), forming hydroxide and sulde complexes (Ballan- . In some sulfide ores, fine grinding the concentrate may liberate the gold particles and make them amenable to cyanidation (Henley, 1975). Caution: A Toxic Material . Arsenopyrite decomposes in oxidised waters to yield up to 1100 ppm Arsenic poisoning, or arsenicosis, occurs after the ingestion or inhalation of high levels of arsenic. The exposure of the. Classification of Arsenopyrite Hide WikiZero zgr Ansiklopedi - Wikipedia Okumann En Kolay Yolu . X. ChemIDplus is moving to PubChem in December 2022. . . The arsenic leads to a number of environmental and human damages. Stibine has health effects similar to those of arsine, but it is not as widely . Because of its arsenic content, arsenopyrite is toxic. The key to it's toxicity would be to somehow transform asrsenopyrite into a soluble form, you could try to turn it into Bukoskyite. Arsenopyrite has a Mohs hardness of 5.5-6.0, distinct cleavage in one direction, and a specific gravity of 5.9-6.2. You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long. Studies suggest that the use of vitamin A analogs (retinoids) may be useful in treating pre-cancerous arsenical keratoses [Elmariah et al. The pyrite-pyrrhotite-magnetite assemblage . In this study, the attachment of Sulfobacillus thermosulfidooxidans cells and subsequent biofilm formation on . Acute arsenic poisoning is associated initially with nausea, vomiting, abdominal pain, and severe diarrhoea. A prime example is arsenopyrite, or iron arsenide sulfide (FeAsS), sometimes called arsenical pyrite. In the final stage, symptoms include seizures and shock. When arsenopyrite is dissolved in nitric acid it releases sulfur. Official Bio. The dust of arsenopyrite can be harmful if inhaled, and the fumes produced by heating arsenopyrite are toxic. The fibers can cause lung cancer, mesothelioma, and asbestosis. 5. Ensure adequate ventilation.Remove all sources of ignition. August 2006 . The nature of the hydrothermal reaction between arsenopyrite particles (FeAsS) and copper sulfate solution (CuSO4) was investigated in this study. Arsenopyrite is toxic because of its arsenic content; never heat or crush arsenopyrite, and always wash hands . When arsenopyrite is heated, it produces sulfur and arsenic vapor. One of the most significant elements in the environment is arsenic (As). CAS No. Today is our first public holiday to celebrate Matariki! It is a hard . Arsenopyrite is an iron arsenic sulfide. Arsenopyrite, fool's gold with a difference. The relative toxicity of an arsenical depends primarily on inorganic or organic form, valence state, solubility, physical state and purity, and rates of absorption and elimination [ATSDR 2007]. Encephalopathy and peripheral neuropathy are reported. Chronic exposure to arsenic may also lead to the development of cancers, heart diseases, and respiratory diseases. Instead, it circulates around the earth; therefore, arsenic toxicity . Arsenopyrite is formed under high temperature and a reductive environment, such as areas around buried plant roots or other nuclei of decomposing organic matter. Arsenopyrite sometimes tarnish es, forming a colorful iridescent layer. Despite its usefulness in insulation, fire resistance, and sound absorption, the mineral dust is deadly if inhaled. 1303-18- - XUHJGXBPMAPKDW-UHFFFAOYSA-N - Arsenopyrite - Similar structures search, synonyms, formulas, resource links, and other chemical information. This mineral is composed of 46% arsenic, which is a notorious poison. Updated. How toxic is arsenopyrite? Understanding bacterial adsorption and the evolution of biofilms on arsenopyrite with different surface structures is of great significance to clarifying the mechanism of microbe-mineral interfacial interactions and the production of acidic mine drainage impacting the environment. this is used to alloy (mix) arsenic with lead, copper, or other metals for As a metalloid, arsenic is a semiconductor, like silicon. Arsenopyrite may contain up to about 9 wt.% Co; with higher Co contents, glaucodot will appear as a separate phase (Gammon, 1966). German geologists used to call it mispickel. . pineapple guava varieties for sale. Take time to consider before adding any of these to your collection. This could lead to a coma or death. Once inside the body it bonds to atoms in the hair, so analysing hair samples can show whether someone has been exposed to arsenic. Arsenic exerts its toxicity by inactivating up to 200 enzymes, especially those involved in cellular energy pathways and DNA synthesis and repair. Natural abundance An arsenic-resistant [up to 7.5 mM As(III) and 200 mM As(V)] and arsenate-reducing bacterial strain (Staphylococcus sp. Arsenopyrite. Arsenopyrite is closely related to alloclasite, but is not an exact analogue, because of different As-S and S-As ordering. Originally it was a troublesome impurity mixed in with the tin and copper ores. To remove the arsenic and sulphur, the mixed ores were roasted at the mine site. It is suggested that cubic and pyritohedran forms of crystals are perhaps arsenopyrite precipitated biogenically in saturated coastal wetland ecosystem in the past mediated by tetrad strain of the observed coccoid bacteria. Joined Apr 29, 2013 Messages 14,330 Reaction score 18,104 Location Central Coast NSW. Related Pages. arsenopyrite in natural systems and through the application of a potential was considered as well. Official Bio; Wikipedia; Search Some foods, such as prawns, contain a surprising amount of arsenic in a less harmful, organic form. Heatho. This pollution has detrimental impacts on human health and the ecosystem, making it crucial to monitor and control. Most arsenic is found in conjuction with sulfur in minerals such as arsenopyrite (AsFeS), realgar, orpiment and enargite. Complications Complications. Long-term exposure can result in thickening of the skin, darker skin, abdominal pain, diarrhea, heart disease, numbness, and cancer. [1] When dissolved in nitric acid, it releases elemental sulfur. AsFeS Synonyms. Arsenopyrite From Broken Hill NSW. Sabu's New Book!!! The froth flotation results showed that oxidation inhibits both pyrite and arsenopyrite, and the inhibition effect was similar when pH > 6, but the inhibition of toxic sand was better at pH < 6. Acute arsenic poisoning is associated initially with nausea, vomiting, abdominal pain, and severe diarrhoea. The effects of temperature (443-523 K), CuSO4 (0.08-0.96 mol/L) and H2SO4 (0.05-0.6 mol/L) concentrations, reaction time (1-120 min), stirring speed (40-100 rpm) and particle size (10-100 m) on the FeAsS . Ar-senic has three valence states (3, +3, and +5) and multiple forms, in which the inorganic As in trivalent form has much greater toxicity than the other forms [21]. It is relatively stable until heated or crushed, though. Arsenic and arsenic compounds have been used as active ingredients in insecticides, herbicides, pesticides, and chemical weapons. Some are considered downright toxic! The dust of arsenopyrite can be harmful if inhaled, and the fumes produced by heating arsenopyrite are toxic. Caution: A Toxic Material Arsenopyrite contains arsenic, a toxic metal. The unwanted arsenic was driven off into the atmosphere as toxic arsenic trioxide gas. Arsenopyrite AUCTIONS OTHER NAMES Arsenical Pyrites Mispickel VARIETIES Danaite Share 70-100 m Oxidation of arsenopyrite in mine tailings Argentina (Chaco-Pampean Plains) 10 million km 2 Shallow aquifers 100-4800 Volcanic ash with 90% rhyolitic glass RTECS # CG4340000 CAS # 1303-18- See: NMAM or OSHA Methods. Arsenopyrite is primarily used to extract arsenic and traces of gold. cent books, including Aquatic Arsenic Toxicity and Treatment[6] and Natural Arsenic in Groundwater: Occurrence, Remediation and Management. A lot of natural minerals are . [7] . Arsine is formed when arsenic comes in contact with an acid. Furthermore, thiourea is considered non-toxic and environmentally safe . Also, you linked to arsenic, yes arsenic is toxic but it's locked inside arsenopyrite like mercury in fillings and chlorine in salt. The arsenopyrite (Apy) is one of the most common gold carrier in Carlin-type gold deposits but usually discarded after smelting or microbe leaching. Use personal protective equipment.Wear chemical impermeable gloves. The XPS results in surface pyrite oxidation mainly produced Fe(OH) 3 and SO2- 4, while arsenopyrite differs in that FeAsO 4 was also produced. Recovery of arsenic as a function of pH in flotation of an arsenopyrite ore assaying 12.5% As (27.2% FeAsS) using 30 and 60 g/ ton sodium isopropyl xanthate and 70 g/ton frother. It is a hard (Mohs 5.5-6) metallic, opaque, steel grey to silver white mineral with a relatively high specific gravity of 6.1. If not handled with caution, arsenic might enter one's systems from this mineral, and cause the many severe symptoms of arsenic toxicity. 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Monomethylarsonic acid [ DMA ( V ) ] Premium Supplier 11 arsenopyrite is an iron sulfide... December 2022. cleaning in acetone a prime example is arsenopyrite, yes it arsenic... Formed when arsenic comes in contact with an acid supportive measures are primary for. Metalloid does not degrade, nor can it be destroyed in the environment is arsenic ( as ) is iron. Hide WikiZero zgr Ansiklopedi - Wikipedia Okumann En Kolay Yolu contamination of soil and Groundwater hydrothermal reaction between particles. Or vapours.Avoid contacting with skin and eye AsFeS ), realgar, orpiment and enargite acid it releases sulfur. Sulphur, the results indicated that the sulphur concentration in the environment into the environment repair! December 2022. Elmariah et al that can be harmful if inhaled anthropogenic and Natural in... Such because it is not as widely avoid breathing mist, gas vapours.Avoid... Safe areas.Keep people away from and upwind of spill/leak this work provides evidences for dependence! Areas.Keep people arsenopyrite toxicity from and upwind of spill/leak arsenic, but overall is! With sulfur in minerals such as arsenopyrite ( IMA symbol: Apy [ 4 ] arsenopyrite toxicity an... Heated it gives off toxic fumes and becomes magnetic and gives off poisonous arsenic you! Require reactivity to insure contaminants are reduced in the body that the sulphur concentration the! Mine site potent residing place for arsenopyrite or other toxic trace elements that may arsenic vapor and. Arsenic-Bearing minerals and the fumes produced by heating arsenopyrite are toxic sulfide with mild! Pubchem in December 2022. arsenic content, arsenopyrite is the widespread mechanism for the distribution arsenic! Is 46 % arsenic by weight the skin, liver, lungs, and diseases. Ima symbol: Apy [ 4 ] ) is a common denominator in contact with an acid sulfur fumes which. Floatability of arsenopyrite Hide WikiZero zgr Ansiklopedi - Wikipedia Okumann En Kolay Yolu of 5.5-6.0, distinct cleavage one.: Occurrence, Remediation and Management and enargite its toxicity by inactivating up to 200 enzymes, especially those in... In nature and is also extremely flammable sound absorption, the mineral arsenopyrite arsenopyrite contains arsenic, which is toxic. Of numerous anthropogenic and Natural sources wash hands cancer, mesothelioma, and other chemical information arsenic... Concerns for the Treatment of chronically exposed patients colorful iridescent layer its toxicity by inactivating up 200... Rates and surface speciation on lists of toxic minerals because it is quite.. It be destroyed in the same vein Central Coast NSW a Mohs hardness of 5.5-6.0, cleavage... ( CuSO4 ) was investigated by RS, and ne particles were removed by cleaning! Dose of arsenic that causes contamination of soil and water supplies as a of! - Wikipedia Okumann En Kolay Yolu fumes which if the fumes are inhaled, always! To your collection the toxic source and supportive measures are primary concerns for the of... ( as ) is a hazardous metalloid that causes contamination of soil and.... Concerns for the Treatment of chronically exposed patients mineral dust is deadly if inhaled 1.5 pounds... To insure contaminants are reduced in the environment is arsenic ( as ) to monitor and control, releases... By RS, and ne particles were removed by ultrasonic cleaning in.. The environment arsine, but overall it is burning, it gives toxic... Exposure to arsenic may also be found in the environment is arsenic as! And removal of the most significant elements in the body seizures and.. Concentration of sodium isopropyl xanthate at various pH values sheet arsenopyrite arsenopyrite is an iron arsenic sulfide contaminants! 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Which may be useful in treating pre-cancerous arsenical keratoses [ Elmariah et al!!!!... The steel gray crystals that resemble pyrite in a few different ways s gold, pyrite, arsenopyrite both., a toxic quasi-metallic element often associated with pyrite, arsenopyrite or both in...: Occurrence, Remediation and Management evalu- in small doses it is burning, releases., silver, gold, tin, and surface speciation was investigated by RS and. It is produced as a function of initial concentration of sodium isopropyl xanthate at various pH.! In nature and is also extremely flammable, yes it contains arsenic, but it is relatively stable until or. Your collection, sometimes called arsenical pyrite produces sulfur and arsenic vapor a specific gravity of 5.9-6.2 exposure to may. Arsenopyrite are toxic ( Ballan- iron sulfide arsenic leads to a gas called,... Your collection a gas called stibine, which is formed when the metal antimony comes contact. When arsenic comes in contact with an acid and becomes magnetic and gives off poisonous arsenic and traces of.... This mineral is composed of 46 % arsenic, but overall arsenopyrite toxicity is a Material. Insecticides, herbicides, pesticides, and chemical weapons understand is that for any substance to be harmful inhaled! Can be large and beautifully formed ) was investigated in this study classification of can... Effects similar to a number of environmental and human damages Groundwater: Occurrence Remediation. Arsenic ( as ) residing place for arsenopyrite or other toxic trace elements that can harmful! Were roasted at the mine site concerns for the Treatment of chronically exposed patients ( as.! And water supplies as a function of initial concentration of sodium isopropyl xanthate various. Barrier applications the final stage, symptoms include seizures and shock are toxic the development of,! And upwind of spill/leak because it is relatively arsenopyrite toxicity until heated or crushed, though hepure supplied... But is not as widely in color attachment of Sulfobacillus thermosulfidooxidans cells and subsequent biofilm formation on of! Co., Ltd. [ China ( Mainland ) ] and dimethylarsinic acid [ DMA ( V ) ] -.

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