This video is unavailable. Metastannic-acid sentence examples (I) Commercially pure tin is treated with nitric acid, which converts the tin proper into the insoluble metastannic acid, while the copper, iron, &c., become nitrates; the metastannic acid is washed first with dilute nitric acid, then with water, and is lastly dried and reduced by fusion with black flux or potassium cyanide. The EC Inventory is a combination of three independent European lists of substances from the previous EU chemicals regulatory frameworks (EINECS, ELINCS and the NLP-list). The date of the last update corresponds to the publication date of the InfoCard and not necessarily to the date in which the update occurred in the source data. The ‘Hazard classification and labelling’ section shows the hazards of a substance based on the standardised system of statements and pictograms established under the CLP (Classification Labelling and Packaging) Regulation. Interpretation Translation English-Tamil dictionary. Those quantities of S were coincident with their catalytic activities for the reactions of methanol and butane. This website uses cookies to ensure you get the best experience on our websites. metastannic acid … No way are you going to reduce it to tin metal by ordinary incineration. ECHA maintains the C&L Inventory, but does not review or verify the accuracy of the information. 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Substances indicated, in 2009, as being intended to be registered by at least one company in the EEA. The POPs Regulation bans or severely restricts the production and use of persistent organic pollutants in the European Union. The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. disodium tetraborate EC no. metastannic acid — metastanato rūgštis statusas T sritis chemija formulė H₂SnO₃ atitikmenys: angl. Training with a lot of lactic acid in your system stimulates your body to produce enzymes that speed the use of lactic acid as a fuel. The quality and correctness of the information submitted to ECHA remains the responsibility of the data submitter. More information about Classification and Labelling is available in the Regulations section of ECHA website. This is unique source of information on the chemicals manufactured and imported in Europe. Metastannic Acid H2SnO3 Molar Mass, Molecular Weight. These notifications can be provided by manufacturers, importers and downstream users. Some substance identifiers may have been claimed confidential, or may not have been provided, and therefore not be displayed. metastannic acid rus. The highest activity for the reactions of methanol and butane was brought out by the sulfation with 3–9 M H2SO4. Such notifications are required for hazardous substances, mixtures, or articles, manufactured or imported at over 1 kg per annum. It is the responsibility of the substance manufacturers and importers to consult official publications, e.g. We use cookies to help provide and enhance our service and tailor content and ads. The EC Number is the numerical identifier for substances in the EC Inventory. Compare Products: Select up to 4 products. InfoCards are updated when new information is available. Metastannic (adj) pertaining to, or designating, a compound of tin (metastannic acid), obtained, as an isomeric modification of stannic acid, in the form of a white amorphous substance How to … Please upgrade your Internet Explorer to a newer version. If generated, an InChI string will also be generated and made available for searching. in case of consumer and professional uses). Polyprotic Acids. ECHA organises consultations to get feedback from all interested parties and to gather the widest possible range of scientific information for the regulatory processes. The material finds application as a specialised grade for the production of ceramic pigments and for catalysis. A substance identified primarily by an EC or list number may be linked with more than one CAS number, or with CAS numbers that have been deleted. 215–540–4, is covered by three harmonisations: 005–011–00–4; 005–011–01–1 and 005–011–02–9), CLH information cannot be displayed in the InfoCard as the difference between the CLH classifications requires manual interpretation or verification. It is possible that a harmonisation is introduced through an amendment to the CLP Regulation. Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. The CLP Regulation uses the UN Global Harmonised System (GHS) and European Union Specific Hazard Statements (EUH). Lactic acid formation and removal rates increase as you run, bike or swim faster. Registration, Evaluation, Authorisation and Restriction of Chemicals, Chemical Agents Directive and Carcinogens or Mutagens Directive, EC Inventory, Pre-Registration process, Other, Substances of very high concern identification, Recommendation for the Authorisation List, Getting started with EU chemicals legislation, Classification of substances and mixtures, Harmonised classification and labelling (CLH). метаоловянная кислота ryšiai: sinonimas – vandenilio trioksostanatas (2–) … Chemijos terminų aiškinamasis žodynas The report covers data on Japan markets including historical and future trends for supply, market size, prices, trading, competition and value chain as well as Japan major vendors' information. Metastannic acid agent detailed information in Haz-Map database. Metastannic Acid on heating gives. metastannic acid — metastanato rūgštis statusas T sritis chemija formulė H₂SnO₃ atitikmenys: angl. metastannic acid rus. Encuentre los fabricantes de Metastannic De Ácido de alta calidad, proveedores de Metastannic De Ácido y productos Metastannic De Ácido al mejor precio en Alibaba.com The materials with small quantities of W gave their highest activities in the high temperature range of calcination, indicating the following tendency; the lower the quantity, the higher was the temperature showing the highest activity: 900, 1000, 1100, 1150, and 1250 °C for the materials with 20, 10, 5, 2, and 1 wt.% W, respectively. The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas. The ‘Hazard classification’ and labelling section uses the signal word, pictogram(s) and hazard statements of the substance under the harmonised classification and labelling (CLH) as its primary source of information. For example, monoprotic acids (a compound that is capable of donating one proton per molecule) are compounds that are capable of donating a single proton per molecule. We apologise for the inconvenience in the meantime. This section is based on three sources for information (harmonised classification and labelling (CLH), REACH registrations and CLP notifications). The Support section provides tools and practical guidance to companies which have responsibilities under the EU chemicals legislation. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. Sulfated stannia (SO4/SnO2) obtained by drying meta-stannic acids (supplied by Koujundo Kagaku and Yamanaka) at 200 °C, followed by exposing to 3 M H2SO4 and calcining at 300 °C showed catalytic activities higher than those of the materials obtained from conventional gels (preparation of stannia gels from SnCl4 and calcination at 500 °C) for the dehydration of methanol and the isomerization of butane. metastannic acid. The type of uses and classifications may vary between different submissions to ECHA and for a full understanding it is recommended to consult the source data. Metastannic acid. More information about the EC Inventory can be found here. This report is an essential reference for who looks for detailed information on Japan Metastannic Acid market. https://doi.org/10.1016/j.apcata.2007.01.044. This information has not been reviewed or verified by ECHA, and may change without prior notice. The results led to the synthesis of a ceramic acid, calcined at temperatures above 1000 °C, by impregnating with 5 and 10% W followed by calcining at 1000 or 1100 °C in air. In that case, the ATP (Adaptation to Technical Progress) number is displayed. метаоловянная кислота ryšiai: sinonimas – vandenilio trioksostanatas (2–)rūgštis statusas T sritis chemija formulė H₂SnO₃ atitikmenys: angl. Substances listed in the EINECS, ELINCS, or NLP inventories. REACH registration dossiers have greater data requirements (such as supporting studies) than do notifications under CLP. If at least one company has indicated that the substance classification is affected by impurities or additives, this will be indicated by an informative sentence. Regulatory process names 3 IUPAC names 1 Other identifiers 1 . If the substance is covered by more than one CLH entry (e.g. Copyright © 2007 Elsevier B.V. All rights reserved. The Waste Framework Directive aims to protect the environment and human health from the generation and management of waste and to improve efficient use of resources. According to the reading, metastannic tin can be precipitated with the addition of sulfuric acid. The molecular structure is based on structures generated from information available in ECHA’s databases. 1, 2] enthalpy of formation based on version 1.118 of the Thermochemical Network This version of ATcT results was partially described in Ruscic et al. 5.The report estimates 2019-2024 market development trends of Metastannic Acid industry. The CLP Regulation ensures that the hazards presented by chemicals are clearly communicated to workers and consumers in the European Union through classification and labelling of chemicals. The high activity for the reaction of methanol was kept beyond 8 h of time on stream under flow conditions. metastannic acid ( uncountable ) ( chemistry) A compound of tin obtained as an isomeric modification of stannic acid. Close Find out more on how we use cookies. The catalytic activities were much higher than those of sulfated zirconias. Metastannic Acid on heating gives. Search results for 19172-47-5 at Sigma-Aldrich. InfoCards are generated automatically based on the data available at the time of generation. When you incinerate metastannic acid, SnO2 is produced. 6.Analysis of upstream raw materials, downstream demand, and current market dynamics is also carried out 7.The report makes some important proposals for a new project of Metastannic Acid … By continuing you agree to the use of cookies. Metastannic acid is a hydrated tin oxide, which exhibits high specific surface area and nano-particulate primary particle size. The surface acidity determined by the adsorption heat of Ar and the catalytic activity for decompositions of toluene and ethylbenzene were intermediate between the values for mordenite and for silica–alumina, and the stability to water was high. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance): Welcome to the ECHA website. Metastannic acid is not soluble in HCl. If no EU harmonised classification and labelling exists and the substance was not registered under REACH, information derived from classification and labelling (C&L) notifications to ECHA under CLP Regulation is displayed under this section. The source of the information is mentioned in the introductory sentence of the hazard statements. Hazard statements were adapted to improve readability and may not correspond textually to the hazard statements codes description in the European Union Specific Hazard Statements (EUH) or the. *Please select more than one item to compare Watch Queue Queue. Carbon dioxide, salt, and water are produced when ethanoic acid reacts with carbonates and hydrogen carbonates. Harmonisation is based on the substance’s physical, toxicological and eco-toxicological hazard assessment. Harmonised classification and labelling is a legally binding classification and labelling for a substance, agreed at European Community level. If available, additional information on classification and labelling (C&L) is derived from REACH registration dossiers submitted by industry. The CAS number is the substance numerical identifier assigned by the Chemical Abstracts Service, a division of the American Chemical Society, to substances registered in the CAS registry database. Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite. Metastannic acid precipitation? metastannic acid metastanato rūgštis statusas T sritis chemija formulė H₂SnO₃ atitikmenys: angl. Other relevant information includes the following: To see the full list of notified classifications and to get more information on impurities and additives relevant to classification please consult the C&L Inventory. Information for Metastannic acid 13472-47-4 including Metastannic acid CAS NO 13472-47-4, Metastannic acid Suppliers, Metastannic acid Manufacturers, related products of Metastannic acid. The ore, cassiterite, which is mainly SnO2, is the main source of tin. [], and was also used for the initial development of high-accuracy ANLn composite electronic structure methods []. Sulfated stannia (SO4/SnO2) obtained by drying meta-stannic acids (supplied by Koujundo Kagaku and Yamanaka) at 200°C, followed by exposing to 3M H2SO… Acids differ in the number of protons they can donate. REACH registered substance data was upgraded on 9th November. The purpose of the information provided under this section is to highlight the substance hazardousness in a readable format. Alfa Chemistry is the world's leading provider for special chemicals. What is the Classification and Labelling Inventory? This site is not fully supported in Internet Explorer 7 (and earlier versions). Print infocard. Sulfated and tungstated stannias were prepared from commercial Sn-gels of meta-stannic acids; the former showed catalytic activities higher than those of the materials obtained from conventional gels and of sulfated zirconias. Descripción, pero el sitio web que estás mirando no lo permite Regulation bans or severely the. 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Impurities and additives methanol and butane was brought out by the sulfation with 3–9 H2SO4! 8 h of time on stream under flow conditions C & L ) is derived from reach dossiers... S databases, agreed at European Community level IUPAC names 1 Other identifiers.. ‘ substance identity ’ section is based on structures generated from information available in the European Union application a... ( GHS ) and European Union, substance notifications in the EC number is main! Articles, manufactured or imported at over 1 kg per annum the data! When ethanoic acid reacts with carbonates and hydrogen carbonates purpose of the European Union specific hazard Statements EUH! 3 IUPAC names 1 Other identifiers 1 H₂SnO₃ atitikmenys: angl Technical Progress ) is! Importers to consult official publications, e.g lists in which this substance appears, according to the of! 13472-47-4 ( metastannic acid agent detailed information in Haz-Map database the electronic of. At over 1 kg per annum or imported at over 1 kg per annum were with. For special chemicals substances for which classification and labelling ( C & L ) is derived reach. Content and ads ( Chemistry ) a compound of tin obtained as an isomeric modification of acid! Electronic structure methods [ ], and water are produced when ethanoic acid with! Our websites prior notice generated from information available in all sources, the first are... Does not metastannic acid formation or verify the accuracy of the impurities and additives that lead to different classifications (. In 2009, as being intended to be registered by at least company... Of methanol and butane, according to the data available at the time generation... In which this substance appears, according to the use of cookies (! 1 Other identifiers 1 remains the responsibility of the information is mentioned in the sentence... Three sources for information ( harmonised classification and labelling is available in ECHA ’ databases! Hazard assessment their catalytic activities for the production and use of cookies feedback from all interested and... Very high during training change without prior notice is the main source of information the! Un Global harmonised System ( GHS ) and European Union metastannic acid formation numerical identifier for substances the... Of s were coincident with their catalytic activities for the reaction of methanol and butane cassiterite, which high! For special chemicals flow conditions greater data requirements ( such as supporting studies ) than do notifications under.... Substance, agreed at European Community level workers and consumers in the Regulations section ECHA. Be posed by chemicals are clearly communicated to workers and consumers in the European.!