GB/T 21836-2024 English PDFUS$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 21836-2024: Manganous manganic oxide Status: Valid GB/T 21836: Historical versions
Basic dataStandard ID: GB/T 21836-2024 (GB/T21836-2024)Description (Translated English): Manganous manganic oxide Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: D32 Classification of International Standard: 77.100 Word Count Estimation: 14,175 Date of Issue: 2024-04-25 Date of Implementation: 2024-11-01 Older Standard (superseded by this standard): GB/T 21836-2008 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 21836-2024: Manganous manganic oxide---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.ICS 77:100 CCSD32 National Standards of People's Republic of China Replace GB/T 21836-2008 Manganese tetraoxide Released on 2024-04-25 2024-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued ForewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting: This document replaces GB/T 21836-2008 "Manganese tetraoxide for soft ferrites": Compared with GB/T 21836-2008, except for the structure In addition to adjustments and editorial changes, the main technical changes are as follows: a) The scope has been changed (see Chapter 1, Chapter 1 of the:2008 edition); b) The classification and code of products have been changed (see Chapter 4, Chapter 3 of the:2008 edition); c) The technical requirements for product appearance have been changed (see 5:1, 4:1:1 of the:2008 edition); d) The chemical composition has been changed (see 5:2:1, 4:1:2 of the:2008 edition); e) The physical properties have been changed (see 5:2:2, 4:1:3 of the:2008 edition); f) The inspection items and test methods have been changed (see 6:2, 5:2 of the:2008 edition); g) The batching has been changed (see 7:2, 6:2 of the:2008 edition); h) Changes have been made to marking, packaging, transportation, storage and quality certificates (see Chapter 8, Chapter 7 of the:2008 edition); i) The method for determining manganese content by ammonium ferrous sulfate titration has been changed (see Appendix A, Appendix A of the:2008 edition); j) Inductively coupled plasma atomic emission spectrometry (see Appendix B) has been added: Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents: This document was proposed by the China Iron and Steel Association: This document is under the jurisdiction of the National Technical Committee for Standardization of Pig Iron and Ferroalloys (SAC/TC318): This document was drafted by: Sinosteel Tianyuan Co:, Ltd:, Hunan Special Metal Materials Co:, Ltd:, Guizhou Jinrui New Materials Co:, Ltd: Responsible company, Guizhou Dalong Huicheng New Materials Co:, Ltd:, Sichuan Zhongzhe New Materials Technology Co:, Ltd:, Xinxiang Zhongtian New Energy Technology Co:, Ltd: Co:, Ltd:, Guizhou Best New Energy Materials Co:, Ltd:, Inner Mongolia Xintai Industrial Group Co:, Ltd:, Jitie Ferroalloy Co:, Ltd:, Qingdao Boxinda Technology Co:, Ltd:, Hebei Jinxi International Trade Co:, Ltd:, National Manganese Industry Technical Committee, Metallurgical Industry Information Standard Research Institute Research Institute: The main drafters of this document are: Yu Jin, Wang Yicun, Liu Jing, Yang Yang, Wu Xiuling, Chen Xiaozhi, Dong Xiongwen, Ding Xiaofeng, Kang Kai, Jin Fei, Peng Tianjian, Liu Qi, Chen Feiyu, Lu Jie, Li Fang, Huang Wenjie, Liu Wuhua, Li Jinglin, Liu Bing, Liu Shiyi, Shen Xiyuan, Zhang Zhaohui, Liu Jingyu, Liu Fei, Ye Xiaoshuang, Zhang Chen and Liu Yanting: Manganese tetraoxide1 ScopeThis document specifies the classification and code, technical requirements, inspection methods, inspection rules, marking, packaging, transportation, storage and Quality certificate: This document is applicable to manganese tetraoxide produced by the metal manganese method, and is also applicable to manganese sulfate method, carbonate thermal decomposition method and other methods: Obtained manganese tetraoxide:2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document: For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document: GB/T 1479:1 Determination of bulk density of metal powders Part 1: Funnel method GB/T 5314 Powder sampling method for powder metallurgy GB/T 5686:7 Determination of sulfur content in ferromanganese, manganese silicon alloys, ferromanganese nitride and metallic manganese - Infrared absorption method and combustion neutralization droplet method Law GB/T 6284 General method for determination of moisture in chemical products - Loss on drying method GB/T 9729 General method for determination of chloride in chemical reagents GB/T 13390 Determination of specific surface area of metal powders - Nitrogen adsorption method3 Terms and definitionsThere are no terms or definitions that require definition in this document:4 Classification and code4:1 According to the usage, it is divided into two types: manganese tetraoxide for battery industry and manganese tetraoxide for electronics industry: 4:2 The code for manganese dioxide used in the battery industry is composed of the first letters of the Chinese pinyin for battery and manganese, “DCM”, and the Arabic numeral of the specified grade: The word consists of two parts: The code for manganese tetraoxide used in the electronics industry is composed of the first letters of the Chinese pinyin for "electron" and "manganese" "DZM" and the Arabic numeral of the specified grade: The word consists of two parts: The manganese tetraoxide used in the battery industry is divided into three grades: DCM-1, DCM-2 and DCM-3 according to the content of the main elements: Manganese tetraoxide is divided into three grades: DZM-1, DZM-2 and DZM-3 according to different specific surface areas:5 Technical requirements5:1 Appearance The appearance of the product should be uniform in color, without lumps or inclusions: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 21836-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 21836-2024_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 21836-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 21836-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |