SN/T 4242-2015 English PDF

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SN/T 4242-2015: Determination of Nd, Dy, Pr, La, Co, B and Al in Nd-Fe-B permanent magnet materials for import and export-Inductively coupled plasma atomic emission spectrometric method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 4242-2015	169	Add to Cart	3 days	Determination of Nd, Dy, Pr, La, Co, B and Al in Nd-Fe-B permanent magnet materials for import and export-Inductively coupled plasma atomic emission spectrometric method	Valid

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Basic data

Standard ID: SN/T 4242-2015 (SN/T4242-2015)
Description (Translated English): Determination of Nd, Dy, Pr, La, Co, B and Al in Nd-Fe-B permanent magnet materials for import and export-Inductively coupled plasma atomic emission spectrometric method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: H14
Classification of International Standard: 71.120.99
Word Count Estimation: 7,714
Date of Issue: 2015-05-26
Date of Implementation: 2016-01-01
Quoted Standard: GB/T 602; GB/T 6682
Regulation (derived from): State Quality-Inspection-accreditation [2015] No.224
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the determination of neodymium, dysprosium, praseodymium, lanthanum, cobalt, boron and aluminum determination method NdFeB permanent magnet materials in inductively coupled plasma atomic emission spectrometry (ICP-AES). This standard applies to the determination of import and export NdFeB permanent magnet material neodymium, dysprosium, praseodymium, lanthanum, cobalt, boron and aluminum elements, the detection limits are shown in Table 1.

SN/T 4242-2015: Determination of Nd, Dy, Pr, La, Co, B and Al in Nd-Fe-B permanent magnet materials for import and export-Inductively coupled plasma atomic emission spectrometric 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.
(Determination of the import and export of NdFeB permanent magnet materials by inductively coupled plasma atomic neodymium, dysprosium, praseodymium, lanthanum, cobalt, boron, aluminum emission spectrometry) People's Republic of China Entry-Exit Inspection and Quarantine Standards Import and export NdFeB neodymium, dysprosium, praseodymium, lanthanum, Cobalt, boron, aluminum by inductively coupled plasma Atomic Emission Spectrometry DeterminationofNd, Dy, Pr, La, Co, BandAlinNd-Fe-B Issued on. 2015-05-26 2016-01-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. Shenzhen Inspection and Quarantine Science Research Institute, Shenzhen People's Republic of China Exit Inspection and Quarantine. The main drafters of this standard. Liu Dong, Li Feng all, Li Yong, Liu Zhihong, Wu Jingwu, Paul Song Liang, Zouchun Hai, Lin Jialu. Import and export NdFeB neodymium, dysprosium, praseodymium, lanthanum, Cobalt, boron, aluminum by inductively coupled plasma Atomic Emission Spectrometry

1 Scope

This standard specifies the determination NdFeB neodymium, dysprosium, praseodymium, lanthanum, cobalt inductively coupled plasma atomic emission spectrometry (ICP-AES), Determination of boron and aluminum contents. This standard applies to the determination of import and export NdFeB permanent magnet material neodymium, dysprosium, praseodymium, lanthanum, cobalt, boron and aluminum elements, the detection limits are shown in Table 1. The detection limit Table 1 in units of milligrams per kilogram Element Nd Dy Pr La Co B Al The detection limit of 5,052,055,520

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Preparation of standard solution of GB/T 602 Determination of impurities in chemical reagents Laboratory use specifications and test methods GB/T 6682 Analysis Principle 3 Samples were removed surface layer of rust and break, the rapid decomposition with nitric acid, 5% nitric acid medium, using inductively coupled plasma Emission spectrometer which neodymium, dysprosium, praseodymium, lanthanum, cobalt, boron and aluminum element content.

4 Reagents and materials

Unless otherwise indicated in the analysis using only recognized as analytical reagents. 4.1 Water, GB/T 6682, Grade 2. Nitric acid 4.2, ρ = 1.40g/mL. 4.3 nitric acid solution (595, volume ratio). 4.4 iron matrix solution. Weigh 4.28g purity of 99.99% iron oxide powder, dissolved in nitric acid (4.2), Pipette to 100mL polyethylene container Volumetric flask, and dilute nitric acid solution (4.3). 4.5 neodymium, dysprosium, praseodymium, lanthanum, cobalt, boron, aluminum standard solution (1000mg/L). according to GB/T 602 standard solutions were prepared or purchased certified standard Standard solution. 4.6 dysprosium, praseodymium, lanthanum, cobalt, boron, aluminum element mixed standard stock solution (100mg/L). Pipette respectively dysprosium, praseodymium, lanthanum, cobalt, boron and aluminum standard solution (4.5) 10mL to 100mL polyethylene flask, with a nitric acid solution (4.3) and dilute to 100mL, shake up. ......

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