GB/T 18115.1-2020 English PDF

US$319.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 18115.1-2020: Chemical analysis methods of rare earth impurities in rare earth metals and their oxides - Part 1: Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium
Status: Valid

GB/T 18115.1: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 18115.1-2020	319	Add to Cart	4 days	Chemical analysis methods of rare earth impurities in rare earth metals and their oxides - Part 1: Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium	Valid
GB/T 18115.1-2006	559	Add to Cart	3 days	Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Lanthanum -- Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium	Obsolete
GB/T 18115.1-2000	279	Add to Cart	3 days	Lanthanum oxide-Determination of cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, terbium oxide, dysprosium oxide, holmium oxide, erbium oxide, thulium oxide, ytterbium oxide, lutetium oxide	Obsolete

Similar standards

GB/T 18882.1   GB/T 18115.2   GB/T 18882.2   GB/T 18115.6   GB/T 18115.4   GB/T 18115.14   

Basic data

Standard ID: GB/T 18115.1-2020 (GB/T18115.1-2020)
Description (Translated English): Chemical analysis methods of rare earth impurities in rare earth metals and their oxides - Part 1: Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H14
Classification of International Standard: 77.120.99
Word Count Estimation: 17,17
Date of Issue: 2020-11-19
Date of Implementation: 2021-10-01
Older Standard (superseded by this standard): GB/T 18115.1-2006
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 18115.1-2020: Chemical analysis methods of rare earth impurities in rare earth metals and their oxides - Part 1: Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium

---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.
Chemical analysis methods of rare earth impurities in rare earth metals and their oxides-Part 1.Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and ytt ICS 77.120.99 H14 National Standards of People's Republic of China Replace GB/T 18115.1-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Part 1.Cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, Determination of the amount of dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium Released on 2020-11-19 Implemented on 2021-10-01 State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

GB/T 18115 "Methods for chemical analysis of rare earth impurities in rare earth metals and their oxides" is divided into 15 parts. ---Part 1.Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium in lanthanum; ---Part 2.Determination of lanthanum, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium in cerium; ---Part 3.Determination of lanthanum, cerium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium in praseodymium; ---Part 4.Determination of lanthanum, cerium, praseodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium in neodymium; ---Part 5.Determination of lanthanum, cerium, praseodymium, neodymium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium in samarium; ---Part 6.Determination of lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium in europium; ---Part 7.Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium in gadolinium; ---Part 8.Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium in terbium; ---Part 9.Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, holmium, erbium, thulium, ytterbium, lutetium and yttrium in dysprosium; ---Part 10.Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, erbium, thulium, ytterbium, lutetium and yttrium in holmium; ---Part 11.Determination of the amount of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, thulium, ytterbium, lutetium and yttrium in erbium; ---Part 12.Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium in yttrium; ---Part 13.Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, ytterbium, lutetium and yttrium in thulium; ---Part 14.Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, lutetium and yttrium in ytterbium; --- Part 15.Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and yttrium in lutetium. This part is Part 1 of GB/T 18115. This section was drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 18115.1-2006 "Methods for Chemical Analysis of Rare Earth Impurities in Rare Earth Metals and Their Oxides" in lanthanum, cerium, praseodymium, Determination of the amount of neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium", compared with GB/T 18115.1-2006, except for editorial changes The main technical changes are as follows. ---The measurement range of Method 1 is modified, and the lower limits of determination of europium oxide, gadolinium oxide, dysprosium oxide, holmium oxide, and erbium oxide are respectively changed from Adjust from 0.0005% to 0.0003%, and adjust the upper limits of cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, and yttrium oxide from 0.10%, respectively Adjust the upper limit of dysprosium oxide, holmium oxide, erbium oxide, thulium oxide, ytterbium oxide, and lutetium oxide from 0.050% to 0.050%. 0.10% (see Chapter 1, Chapter 1 of the.2006 edition); ---Modify the pretreatment conditions of the samples in Method 1 and Method 2, from "900℃ firing 1h" to "Oxide sample in Bake at 105°C for 1 hour, place in a desiccator, cool to room temperature, and weigh immediately. The surface oxide layer should be removed from the metal sample, That is weighing” (see 2.4, 3.4, Chapter 5 and Chapter 14 of the.2006 edition); ---Modify the weighing amount of the measured element in Method 1 (see 2.5.1, 6.1 of the.2006 edition); ---Added method 1 blank test (see 2.5.3); ---Delete the reference spectrum line Pr422.533nm in Method 1; modify the reference spectrum line and adjust Tm342.908nm to Tm342.508nm (see 2.6.1, Chapter 6 of the.2006 edition); --- Modify the repeatability and tolerance in Method 1 and Method 2 (see 2.8, 3.7, Chapter 8 and Chapter 17 of the.2006 edition); ---The measurement range of method 2 is modified, the lower limit of cerium oxide is adjusted from 0.0001% to 0.00005%, and the lower limit of yttrium oxide is changed from 0.0001% is adjusted to 0.00003%, and the lower limits of samarium oxide, gadolinium oxide, and terbium oxide are adjusted from 0.00005% to 0.00003%, adjust the lower limits of europium oxide, dysprosium oxide, erbium oxide, and ytterbium oxide from 0.00005% to 0.00002%, respectively. The lower limits of holmium oxide, thulium oxide, and lutetium oxide were adjusted from 0.00005% to 0.00001% respectively (see Table 2,.2006 edition Chapter 10); ---Modified the concentration of nitric acid in the reagents and materials in Method 2 and adjusted nitric acid (1 19) to nitric acid (1 49) (see 3.2.6,.2006 Chapter 12 of the edition); ---Added the internal standard element cesium in Method 2 (see 3.2.23, 3.5.4, 3.5.5, 15.4 and 15.5 of the.2006 edition). This part was proposed and managed by the National Rare Earth Standardization Technical Committee (SAC/TC229). Drafting organizations of this section. Jiangyin Jiahua New Material Resources Co., Ltd., China Nonferrous Metals Industry Standard Metrology and Quality Institute, Dingnan University Huaxin Materials Resources Co., Ltd., Qiandong Rare Earth Group Co., Ltd., Hunan Rare Earth Metal Materials Research Institute, Ganzhou Chenguang Rare Earth New Materials Co., Ltd., Guangdong Zhujiang Rare Earth Co., Ltd., IRON Nake Testing Technology Co., Ltd., Ganxian Hongjin Rare Earth Co., Ltd., Fujian Provincial Changting Jinlong Rare Earth Co., Ltd., China Nonferrous Guilin Institute of Mineral Geology Co., Ltd., Sichuan Jiangtong Rare Earth Co., Ltd., National Standard (Beijing) Inspection and Certification Co., Ltd., Zibo Jiahua New Material Resources Co., Ltd., Baotou Rare Earth Research Institute. The main drafters of this section. Li Xiaojun, Zhao Pinghong, Shan Lijuan, Dong Lijie, Yao Jingbi, Zhang Yu, Wang Shouhong, Wen Bin, Liu Rongli, Chen Yan, Huang Nansheng, Yao Nanhong, Wang Guichao, Zhang Kun, Song Weixin, Lu Yixin, Wu Han, Liu Zhuying, Wang Baohua, Meng Wenfei, Tang Rongsheng, Kang Yaxian, Bao Yelin, Wang Miao and Zhou Kaihong. The previous versions of the standards replaced by this part are as follows. ---GB/T 18115.1-2000, GB/T 18115.1-2006. Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Part 1.Cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, Determination of the amount of dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium

1 Scope

This part of GB/T 18115 specifies cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, terbium oxide, Dysprosium oxide, holmium oxide, erbium oxide, thulium oxide, ytterbium oxide, lutetium oxide and yttrium oxide content determination method. This part applies to cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, terbium oxide, dysprosium oxide, holmium oxide, Determination of erbium oxide, thulium oxide, ytterbium oxide, lutetium oxide and yttrium oxide content. This section also applies to the determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium in metal lanthanum. This part contains two methods. method 1 inductively coupled plasma atomic emission spectrometry, method 2 inductively coupled plasma mass spectrometry law. The measurement range of Method 1 is shown in Table 1, and the measurement range of Method 2 is shown in Table 2. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 18115.1-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 18115.1-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 18115.1-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 18115.1-2020_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 18115.1-2020?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 18115.1-2020 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.