GB/T 3654.10-2024 English PDFUS$279.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 3654.10-2024: Ferroniobium - Determination of aluminum content - EDTA titrimetric method Status: Valid GB/T 3654.10: Historical versions
Basic dataStandard ID: GB/T 3654.10-2024 (GB/T3654.10-2024)Description (Translated English): Ferroniobium - Determination of aluminum content - EDTA titrimetric method Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: H11 Classification of International Standard: 77.100 Word Count Estimation: 14,195 Date of Issue: 2024-05-28 Date of Implementation: 2024-12-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 3654.10-2024: Ferroniobium - Determination of aluminum content - EDTA titrimetric method---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 CCSH11 National Standards of People's Republic of China Replaces GB/T 3654:10-1983 Determination of niobium iron and aluminum content-EDTA titration method Released on 2024-05-28 2024-12-01 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 is part 10 of GB/T 3654: GB/T 3654 has been published in the following parts: --- Chemical analysis method of ferroniobium - Determination of niobium and tantalum content by paper chromatography-mass spectrometry (GB/T 3654:1); --- Determination of niobium iron and copper content-New cuprous acid-chloroform extraction spectrophotometric method (GB/T 3654:2); --- Gravimetric method for determination of ferroniobium and silicon content (GB/T 3654:3); --- Chemical analysis methods for ferroniobium - Combustion gravimetric method for determination of carbon content (GB/T 3654:4); --- Chemical analysis method of ferroniobium - Molybdenum blue photometric method for determination of phosphorus content (GB/T 3654:5); --- Determination of sulfur content in ferroniobium by combustion iodine titration, methylene blue photometry and infrared absorption method (GB/T 3654:6); --- Determination of niobium iron and titanium content by chromotropic acid photometric method and diantipyryl methane photometric method (GB/T 3654:8); --- Chemical analysis method of ferroniobium - Determination of tungsten content by thiocyanate photometry (GB/T 3654:9); --- Determination of niobium iron and aluminum content: EDTA titration method (GB/T 3654:10): This document replaces GB/T 3654:10-1983 "Chemical analysis method of niobium iron - EDTA volumetric method for determination of aluminum content" and is consistent with GB/T 3654:10- Compared with 1983, in addition to structural adjustments and editorial changes, the main technical changes are as follows: a) Change the measurement range to "1:00%~9:00%" (see Chapter 1, measurement range of the 1983 edition); b) Replace ammonium hydroxide with aqueous ammonia (see 5:10, 5:11, 2:10, 2:11 of the 1983 edition); c) Added instruments and equipment (see Chapter 6); d) Sampling and sample preparation have been added (see Chapter 7); e) The sample size has been changed (see 8:1, 3:1 of the 1983 edition); f) Increased the number of measurements (see 8:2); g) Added the presentation of analysis results (see 9:2); h) Repeatability limit and reproducibility limit are used instead of tolerance (see Chapter 10, Chapter 5 of the 1983 edition); i) Added the content of test report (see Chapter 11): 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: Shougang Jingtang United Iron and Steel Co:, Ltd:, Shandong Metallurgical Science Research Institute Co:, Ltd:, Xixia County Hengji Metallurgical Co:, Ltd:, Qingdao Yuancheng Chuangzhi Technology Co:, Ltd:, Hebei Jinxi International Trade Co:, Ltd:, Jitie Ferroalloy Co:, Ltd:, Gold Industry Information Standards Research Institute: The main drafters of this document are: Chen Xinjuan, Xia Zhenhua, Zhang Li, Gao Hongji, Yang Yan, Wu Lijuan, Li Jing, Meng Lili, Cui Xiaocui, Ding Xiaotong, Tao Zhi, Nie Hongmei, Wei Jinglin, Liu Bing, Ye Xiaoshuang, Wang Jing, Lu Chunsheng, and Liu Yanting: This document was first published in 1983 and this is the first revision:IntroductionSince there are many detection elements involved in the ferroniobium detection process, the applicable scope and application methods of the elements are different: The convenience and accuracy of ferro-niobium detection standards: We have established a national standard system to support ferro-niobium detection for the analysis methods of different elements in ferro-niobium: GB/T 3654 ferroniobium series analysis methods are the basic standards for ferroniobium detection in my country, and are intended to consist of the following 9 parts: --- Chemical analysis method of ferroniobium - Determination of niobium and tantalum content by paper chromatography-mass spectrometry (GB/T 3654:1); --- Determination of niobium iron and copper content-New cuprous acid-chloroform extraction spectrophotometric method (GB/T 3654:2); --- Gravimetric method for determination of ferroniobium and silicon content (GB/T 3654:3); --- Chemical analysis methods for ferroniobium - Combustion gravimetric method for determination of carbon content (GB/T 3654:4); --- Chemical analysis method of ferroniobium - Molybdenum blue photometric method for determination of phosphorus content (GB/T 3654:5); --- Determination of sulfur content in ferroniobium by combustion iodine titration, methylene blue photometry and infrared absorption method (GB/T 3654:6); --- Determination of niobium iron and titanium content by chromotropic acid photometric method and diantipyryl methane photometric method (GB/T 3654:8); --- Chemical analysis method of ferroniobium - Determination of tungsten content by thiocyanate photometry (GB/T 3654:9); --- Determination of niobium iron and aluminum content: EDTA titration method (GB/T 3654:10): Determination of niobium iron and aluminum content-EDTA titration method Warning---People who use this document should have practical experience in formal laboratory work: This document does not address all possible safety issues: The user is responsible for taking appropriate safety and health measures and ensuring that the conditions stipulated by relevant national laws and regulations are met:1 ScopeThis document specifies the method for the determination of aluminum content in ferroniobium by EDTA titration: This document is applicable to the determination of aluminum content in ferroniobium, with a measurement range (mass fraction): 1:00%~9:00%: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 4010 Sampling and preparation of samples for chemical analysis of ferroalloys GB/T 6379:1 Accuracy (trueness and precision) of measurement methods and results Part 1: General principles and definitions GB/T 6379:2 Accuracy (trueness and precision) of measurement methods and results Part 2: Determination of repeatability of standard measurement methods Basic methods of sex and reproducibility GB/T 6682 Specifications and test methods for water used in analytical laboratories GB/T 8170 Rules for rounding off values and expression and determination of limit values GB/T 12806 Laboratory glassware single-line volumetric flasks GB/T 12808 Laboratory glassware single-line pipettes3 Terms and definitionsThere are no terms or definitions that require definition in this document:4 PrincipleThe sample was melted with sodium oxide and sodium hydroxide, leached with sodium chloride solution, and manganese was reduced with ethanol: A large amount of niobium, iron, titanium, etc: were separated from manganese by dry filtration: Acidify part of the filtrate, add hydrogen peroxide to the tungsten test solution, adjust the solution acidity to pH 3-3:5, and precipitate aluminum with ammonium benzoate: Add excess EDTA solution to the acidic solution: At pH 5:5-6:2, in the presence of xylenol orange indicator, use zinc standard solution The excess EDTA is titrated with a standard zinc solution, and the EDTA complexed with aluminum is replaced by sodium fluoride and then titrated with a standard zinc solution:5 ReagentsUnless otherwise specified, only approved analytical reagents shall be used in the analysis, and the experimental water shall be grade 3 or above distilled water as specified in GB/T 6682: Water or water of equivalent purity: 5:1 Sodium peroxide: solid: 5:2 Sodium hydroxide: solid: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 3654.10-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 3654.10-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 3654.10-2024_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 3654.10-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 3654.10-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 3654.10-2024 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. |
