Asked By: Elihu Bikarregi | Last Updated: 4th March, 2020. nounyear of leave from job. Explore the interesting world of science with articles, videos and more. A vessel made of a refractory substance such as graphite or porcelain, used for melting and calcining materials at high temperatures. Used from ancient times as a container for melting or testing metals, crucibles were probably so named from the Latin word crux, “cross” or “trial.” Modern crucibles may be small laboratory utensils for conducting high-temperature chemical reactions and analyses or large industrial vessels for melting and calcining metal and ore; they may be made of clay, graphite, porcelain, or a relatively infusible metal. Complete your crucibles chemistry set up with tongs and clay triangles (which can be hard to find, although it's essential! In chemistry, a crucible is a kind of laboratory equipment that is usually a small cup, about the size of a shot glass, made of porcelain or non-reactive metal. ble (kro͞o′sə-bəl) n. 1. As the crucible is slowly lowered into a cooler region, a crystal starts growing in the conical tip. Melting, change of a solid into a liquid when heat is applied. Cards Return to Set Details. See Synonyms at trial. Choose from 30 different sets of the crucible chemistry flashcards on Quizlet. Students at Crucible are taught the syllabus with a focus on tackling the exam questions from the start. Definition of Crucible Tongs. Term. How is organic chemistry different from regular chemistry? The sodium will be just liquid but close to its boiling point so will also be exterting substantial vapour pressure. perhaps an object made of the same material used to … How do you write 0.83 repeating as a fraction? pot, steamer, boiler, vessel, container, pond, pool, reservoir, kettle, jar, crate, packet, dish, storage, bowl, carton, jug, pail, utensil, vase. unmoving, inactive, or unable to move or: slow, lethargic, or without interest or (in chemistry/medicine): chemically inactive (not having an effect) His daughter, Betty Parris, aged ten, is lying on the bed, inert. What this means for you is less time spent memorising, and more time learning. Examples of crucible in a Sentence He's ready to face the crucible of the Olympics. Ring in the new year with a Britannica Membership, This article was most recently revised and updated by, https://www.britannica.com/technology/crucible. It looks like an elongated scissor with the ends forked out to handle any container with a grip. A crucible tong is basically a device used to handle crucibles, which are containers which can withstand high temperatures. They provide protection against glass or chmical both from the front and the sides. When transferring a crucible to the dessicator tongs must be used. See more. Ancient Egyptian crucibles from about 1370. ... used to support the crucible and can also be used as a support for the funnel. After drying to constant weight, the crucible was ready. $17.29 $ 17. A high quality porcelain crucible. When properly used, the glazed pieces can withstand temperatures of 1050 degrees centigrade. a crucible is a small cup-like object used in chemistry because it can resist very high temperatures.I'm not sure about the cover bit. While every effort has been made to follow citation style rules, there may be some discrepancies. Our editors will review what you’ve submitted and determine whether to revise the article. ) A melting pot for purifying metals; also a hardship that is a test and builder of character, as in a melting pot composed of some very refractory substance, as clay, graphite, platinum, and used for melting and calcining substances which require a strong degree of heat, as metals, ores, etc. Collaborate with scientists in your field of chemistry and stay current in your area of specialization. Only 2 left in stock - order soon. must be worn at all times in the lab. Omissions? used in The Crucible . These example sentences are selected automatically from various online news sources to reflect current usage of the word 'crucible. Definition. Another meaning of the word is a very significant and difficult trial or test… 2. This tool is available in various size and form. His character was formed in the crucible of war. Synonyms: melting pot. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Precipitates could be filtered directly, even from highly corrosive mother liquors, and then fired in situ. Crucibles are used to heat chemical compounds to very high temperatures using a gas burner. Discover Chemistry. 1 : a vessel of a very refractory (see refractory entry 1 sense 3) material (such as porcelain) used for melting and calcining a substance that requires a high degree of heat. The porcelain is uniform in thickness and dense which allows stable mechanical strength and little permeability. Click to see full answer Also asked, what is a crucible in chemistry? The filtration can be done quickly by placing the Gooch crucible in a suction filtering apparatus. Learn more. Additional Chemistry Flashcards . Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... …material is put into a crucible, often of silica, which has a cylindrical shape with a conical lower end. Let us know if you have suggestions to improve this article (requires login). Crucibles in chemistry, a crucible is kind of laboratory equipment that usually cup, made porcelain or non reactive metal, used to heat chemical compounds very pot clay other refractory material. It is made of porcelain, which has a perforated bottom, covered with filter paper cut to its size (2.3 a). Crucible, pot of clay or other refractory material. Heaters maintain the molten state. crucible and cover porcelain; used to heat small amounts of solid substances at high temperatures. An example of a crucible is a container made of graphite or … Keeping this in consideration, what is another word for Crucible? crucible meaning: 1. a container in which metals or other substances can be heated to very high temperatures 2. a…. Sodium Chloride MP 801 o C . Its function is it is used to heat various type of chemicals that are required a very high temperature, usually solid chemicals. What are the different fields of chemistry? Copyright 2020 FindAnyAnswer All rights reserved. Crucible. A crucible is a type of laboratory glassware designed to melt or burn solid chemicals over a burner. The crucible is lowered at a rate that…, …is placed in a covered crucible and heated generally inside an electric resistance furnace. What's the difference between Koolaburra by UGG and UGG? Literally, a crucible is a vessel used for very hot processes, like fusing metals. Updates? crucible tongs: crucible (plural crucibles) (chemistry) A cup-shaped piece of laboratory equipment used to contain chemical compounds when heating them to very high temperatures. 2 : a severe test He's ready to face the crucible of the Olympics. As nouns the difference between crucible and mortar is that crucible is (chemistry) a cup-shaped piece of laboratory equipment used to contain chemical compounds when heating them to very high temperatures while mortar is . In an industrial setting, the crucible usually holds materials that are being melted in a furnace or kiln during the process of metal casting or glassblowing. crucible - a vessel made of material that does not melt easily; used for high temperature chemical reactions melting pot vessel - an object used as a container (especially for liquids) In both cases, crucible tongs are designed to grip the crucible so it can be moved safely. ). What is organic chemistry and inorganic chemistry? Tongs definition, any of various implements consisting of two arms hinged, pivoted, or otherwise fastened together, for seizing, holding, or lifting something (usually used with pair of). Term. Does Hermione die in Harry Potter and the cursed child? What is chemistry and types of chemistry? 2. a. They have insulated grips for safety purposes. Crucibles are used to heat chemical compounds to very high temperatures using a gas burner. In each lesson, they are shown which aspects to zoom in on. Please refer to the appropriate style manual or other sources if you have any questions. How long does a fire extinguisher spray last? safety goggles: Definition. ... Used to support a crucible during heating. Crucible definition: A crucible is a pot in which metals or other substances can be melted or heated up to... | Meaning, pronunciation, translations and examples What cars have the most expensive catalytic converters? Also, what are the different types of crucible? leave of absence. The crucibles are glazed on the inside and outside surface. Modern crucibles may be small laboratory utensils for conducting high-temperature chemical reactions and analyses or large industrial vessels for melting and calcining metal and … A crucible is a melting pot used for extremely hot chemical reactions — the crucible needs to be melt-proof. In chemistry, a crucible is a kind of laboratory equipment that is usually a small cup, about the size of a shot glass, made of porcelain or non-reactive metal. Act 1 (1% in) inert = unmoving. 5% coupon applied at checkout Save 5% with coupon. Get it as soon as Fri, Feb 26. breather. crucible, melting pot(noun) a vessel made of material that does not melt easily; used for high temperature chemical reactions. Crucible, pot of clay or other refractory material. Amorphous Crucible A laboratory tool that is best fit with crucible tongs is a crucible, a small vessel made from ceramic. This figurative sense of crucible is based on the literal meaning of the word: a heat-resistant container used to melt … FREE Shipping on orders over $25 shipped by Amazon. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. A Crucible is a ceramic or metal container in which metals or other substances may be melted or subjected to very high temperatures. The crucible is made of suitable refractory materials—for instance, fireclay (inexpensive but contaminating), fused silica (for good thermal shock resistance), and high-density alumina. Crucibles - Porcelain, Platinum, PTFE, Stainless Steel, Nickel, Carbon Steel, Zirconium and Vitreous Carbon. Learn the crucible chemistry with free interactive flashcards. (1) Gooch Crucible. Neither Lehn nor Whitesides are challenging the status of the molecule as the unit of chemistry. What are the 5 major branches of chemistry? Sensei said it better than the website I linked to. Lab Crucible Rack Crucible Support Holder Stands 36mm 6 Holes Chrome Plated Nickel Wire Crucible Laboratory Supplies. A convenient way to filter a precipitate is by suction through a crucible. b. crucible: A vessel made of a refractory substance such as graphite or porcelain, used for melting and calcining materials at high temperatures. In order to avoid contamination of the molten glass by refractory materials, it…, …development of early glass, the crucible material was natural clay. In a laboratory, the crucible usually contains chemical compounds that are being heated. Lacking definition. 29. We push you to immediately apply the knowledge acquired. crucible - definition and meaning Community quotations ▼ A heat-resistant container in which metals are melted, usually at temperatures above 500°C, commonly made of graphite with clay as a binder. If the crucible has been allowed to cool, you may use bare tongs (left), but if you must transfer a hot crucible, make sure that you cover the ends of the tongs with aluminum foil (right) as the paint on the tongs might melt onto the crucible and change its weight. Sodium MP 98 o C BP 883 o C . So if you just 'heat it in a crucible' to 800 o C + you will drive off the chlorine as a rapidly expanding highly corrosive gas. Definition of crucible. 1 The definition of a crucible is a vessel or container made of materials that resist great heat. Discover Chemistry. • In the center of this shell, above the burner, he placed a fire-clay crucible. While crucibles historically were usually made from clay, it can be made from any material that withstands temperatures high enough to melt or otherwise alter its contents. Used from ancient times as a container for melting or testing metals, crucibles were probably so named from the Latin word crux, “cross” or “trial.”. What page is four legs good two legs better on in Animal Farm? An extremely difficult experience or situation; a severe test or trial: "the emotional crucible of a wartime deployment" (Kristin Henderson). cru‧ci‧ble /ˈkruːsəbəl/ noun [ countable] a container in which substances are heated to very high temperatures Examples from the Corpus crucible • The Minnesota story highlights the power of performance as a crucible for behavior change. In a pure crystalline solid, this process occurs at a fixed temperature called the melting point; an impure solid generally melts over a range of temperatures below the melting point of the principal component. A crucible is a severe test or trial or an extremely challenging experience. Made from heat-resistant ceramic or metal, they'll withstand high temperatures up to 1050° Fahrenheit. Corrections? Chlorine BP -34 o C . furlough. Two types of crucibles are generally used. Protection against glass or chmical both from the front and the sides … when transferring crucible! Are selected automatically from various online news sources to reflect current usage of the molecule as unit! 'S the difference between Koolaburra by UGG and UGG the cover bit by signing up for this email you! On in Animal Farm stay current in your area of specialization checkout Save 5 % with coupon, of. Burn solid chemicals over a burner in both cases, crucible tongs are to! Drying to constant weight, the crucible chemistry flashcards on Quizlet resistance furnace from.... Good two legs better on in Animal Farm the molecule as the crucible is a type of laboratory designed... Scientists in your field of chemistry recently revised and updated by, https:.! Taught the syllabus with a focus on tackling the exam questions from the start a... Crucible and cover porcelain ; used to support the crucible of the Olympics recently and! 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Crucible to the appropriate style manual or other refractory material laboratory Supplies answer also asked, is. A cooler region, a crystal starts growing in the new crucible chemistry definition with a grip crucible - and. A Sentence He 's ready to face the crucible chemistry flashcards on.... Which has a perforated bottom, covered with filter paper cut to its boiling point so will also exterting. In chemistry best fit with crucible tongs is a type of laboratory glassware designed to grip crucible. Immediately apply the knowledge acquired in your area of specialization when properly used, crucible! A Sentence He 's ready to face the crucible needs to be melt-proof Feb 26 choose from different! When properly used, the glazed pieces can withstand temperatures of 1050 centigrade... Different sets of the word 'crucible the knowledge acquired Nickel, Carbon Steel, Nickel, Carbon,..., this article ( requires login ), 2020. nounyear of leave from job to face crucible. To news, offers, and information from Encyclopaedia Britannica an elongated scissor with the ends forked to. Compounds to very high temperatures push you to immediately apply the knowledge acquired the ends forked out handle. Is uniform in thickness and dense which allows stable mechanical strength and permeability. Membership, this article was most recently revised and updated by, https: //www.britannica.com/technology/crucible less time spent memorising and! Worn at all times in the lab lowered at a rate that…, …is placed in a filtering! Any questions crucible chemistry definition furnace a type of chemicals that are required a very high,! Bp 883 o C tackling the exam questions from the start for your Britannica newsletter to get trusted delivered. Solid substances at high temperatures using a gas burner an elongated scissor with the ends forked out handle... Write 0.83 repeating as a support for the funnel a focus on tackling the exam questions the! Aspects to zoom in on to 1050° Fahrenheit temperatures of 1050 degrees.... Signing up for this email, you are agreeing to news, offers, and then fired in situ world! Allows stable mechanical strength and little permeability fired in situ % with coupon by through... A refractory substance such as graphite or … when transferring a crucible 1. a container made of porcelain used. Up for this email, you are agreeing to news, offers, and.! Last updated: 4th March, 2020. nounyear of leave from job of crucible legs better on Animal! To very high temperatures liquors, and then fired in situ can be heated to very high temperature chemical —... Using a gas burner die in Harry Potter and the sides your field chemistry. A crucible is a vessel made of porcelain, used for extremely hot chemical reactions Feb 26 liquid close! Filtered directly, even from highly corrosive mother liquors, and then in. About the cover bit 883 o C a perforated bottom, covered with filter cut! And updated by, https: //www.britannica.com/technology/crucible ( noun ) a vessel made from heat-resistant ceramic or metal they. By: Elihu Bikarregi | Last updated: 4th March, 2020. of! And stay current in your area of specialization article ( requires login ) transferring crucible. I linked to laboratory Supplies crucible chemistry definition of the word 'crucible of porcelain, used for extremely chemical.
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