GB/T 23522-2023 English PDF

US$269.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23522-2023: Germanium renewable raw materials
Status: Valid

GB/T 23522: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23522-2023	269	Add to Cart	3 days	Germanium renewable raw materials	Valid
GB/T 23522-2009	110	Add to Cart	Auto, < 3 mins	Germanium renewable raw materials	Obsolete

Similar standards

GB/T 39859   GB/T 20892   GB/T 23513.5   GB/T 23513.2   

Basic data

Standard ID: GB/T 23522-2023 (GB/T23522-2023)
Description (Translated English): Germanium renewable raw materials
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H66
Classification of International Standard: 77.120.99
Word Count Estimation: 14,157
Date of Issue: 2023-09-07
Date of Implementation: 2024-04-01
Older Standard (superseded by this standard): GB/T 23522-2009,GB/T 23523-2009
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 23522-2023: Germanium renewable raw materials

---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 77.120.99 CCSH66 National Standards of People's Republic of China Replace GB/T 23522-2009, GB/T 23523-2009 Recycled germanium raw materials Published on 2023-09-07 2024-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 23522-2009 "Recycled Germanium Raw Materials" and GB/T 23523-2009 "Method for Determination of Germanium in Recycled Germanium Raw Materials" Law", this document is based on GB/T 23522-2009 and integrates the contents of GB/T 23523-2009.Compatible with GB/T 23522-2009 In addition to structural adjustments and editorial changes, the main technical changes are as follows. a) Changed the scope (see Chapter 1, Chapter 1 of the.2009 edition); b) Added a "Terms and Definitions" chapter (see Chapter 3); c) Changed the expression of classification and added classification and main sources (see Chapter 4, 3.1 of the.2009 edition); d) Delete the requirements and determination of chromium content in primary solid recycled germanium raw materials (see 3.1.1 and 4.5 of the.2009 edition); e) Delete the requirements for the grade of raw solid recycled germanium raw materials (see 3.1.1 of the.2009 edition); f) Delete the requirements for radioactive substances in recycled germanium raw materials (see 3.5 of the.2009 edition); g) The expressions of appearance quality and particle size have been changed, and the test methods for particle size and appearance quality have been added (see 5.1.2, 5.1.3, 6.6, 6.7,.2009 version 3.2, 3.3, 3.4); h) The expression of moisture in the chemical composition of raw solid recycled germanium raw materials is deleted, and the elements are specified separately (see 5.1.4 and 5.2.4, Table 1 of the.2009 edition); i) Added technical requirements for combined regenerated germanium raw materials (see 5.2); j) Added test methods for fluorine and sulfur (see 6.4 and 6.5); k) The moisture test method has been changed (see 6.8, 4.1 of the.2009 edition); l) Changed the requirements for the purchaser to accept the received products (see 7.1.2, 5.1.2 of the.2009 version); m) Changed the time for the purchaser to report to the supplier when the inspection results after receiving the product are inconsistent with the standards (see 7.1.2,.2009 version 5.1.2); n) Changed the subdivision regulations for batches (see 7.2, 5.2 of the.2009 version); o) Added the requirement that special grade products with a germanium content greater than 99% may not be tested (see 7.3); p) The contents of sampling and sample preparation have been changed (see 7.4, 5.4 of the.2009 edition); q) The judgment of inspection results has been changed (see 7.5, 5.5 of the.2009 version); r) The batch weight requirements for measurement deviations have been changed, and the requirements for marking, packaging, etc. have been adjusted (see Chapter 8, Chapter 6 of the.2019 edition); s) Added Appendix A (Normative) Potassium iodate titration method for determination of germanium content in recycled germanium raw materials. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is jointly developed by the National Semiconductor Equipment and Materials Standardization Technical Committee (SAC/TC203) and the National Semiconductor Equipment and Materials Standards It was jointly proposed and coordinated by the Materials Sub-Technical Committee of the Chemistry Technical Committee (SAC/TC203/SC2). This document was drafted by. Yunnan Lincang Xinyuan Germanium Industry Co., Ltd., Yunnan Chihong International Germanium Industry Co., Ltd., Yunnan Dongchang Metal Processing Engineering Co., Ltd., Jiangsu Ningda Environmental Protection Co., Ltd., Anhui Guangzhi Technology Co., Ltd., Youyan Guojinghui New Materials Co., Ltd., Wuhan Tuo Material Technology Co., Ltd., Chaoyang Jinmei Gallium Industry Co., Ltd., Yunnan Wuxin Industrial Co., Ltd., Nonferrous Metal Technology and Economic Research Institute Co., Ltd. Company, Yunnan Chihong Zinc and Germanium Co., Ltd., Beikang Testing Technology Co., Ltd., and Kunming Huiquan High Purity Semiconductor Materials Co., Ltd. The main drafters of this document. Pu Shikun, Li Zhengmei, Yin Guowen, Wu Wangchang, Cui Dingfang, Yang Zhimei, Lin Zuoliang, Wu Liwen, Yin Shiping, Liu Xiaohua, Liao Jiwei, Zhang Zhenyun, Zhu Chenyang, Lu Pengjian, Zeng Xiaolong, Xing Zhiguo, Wang Yang, He Dongjiang, Yu Shuhua, Zhang Bencong, Yang Chunyu, Wang Jiandang, Lai Lijun, Tang Anxiong. The previous versions of this document and the documents it replaces are as follows. ---First published as GB/T 23522-2009 in.2009; ---This is the second revision, incorporating the contents of GB/T 23523-2009 "Determination Method of Germanium in Recycled Germanium Raw Materials". Recycled germanium raw materials

1 Scope

This document specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and accompanying documents of recycled germanium raw materials. and order form contents, etc. This document applies to recyclable recycled germanium raw materials generated from the production, processing and use of germanium. Note. Regenerated germanium raw materials are mainly used as raw materials for the production of high-purity germanium tetrachloride, high-purity germanium dioxide, zone melted germanium ingots, germanium single crystals and other products.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 1480 Metal powder dry screening method for particle size determination GB/T 8170 Numerical rounding rules and expression and determination of limit values GB/T 23513.2 Methods for chemical analysis of germanium concentrates Part 2.Determination of arsenic content Ferrous ammonium sulfate titration method GB/T 23513.3 Methods for chemical analysis of germanium concentrates Part 3.Determination of sulfur content Barium sulfate gravimetric method GB/T 23513.4 Methods for chemical analysis of germanium concentrates Part 4.Determination of fluorine content ion selective electrode method GB/T 23513.5 Methods for chemical analysis of germanium concentrates Part 5.Gravimetric method for determination of silica content

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Germanium-containing materials generated during the production, processing and use of germanium can be reused to produce germanium products. 3.2 Germanium is a solid recycled germanium raw material that exists in metallic form such as elemental or alloy. 3.3 Germanium exists in the solution in the form of ions or compounds, and is a solid regenerated germanium raw material obtained after processing.

4 categories

Regenerated germanium raw materials can be divided into two categories according to their sources. metallic recycled germanium raw materials and compound recycled germanium raw materials. The main sources are shown in Table 1. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 23522-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 23522-2023_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 23522-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 23522-2023_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+ countries

Question 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 23522-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 23522-2023 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.