SN/T 0065.2-2011 English PDF

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SN/T 0065.2-2011: Method for determination of europium-rich, yttrium-rich, Sm-Eu-Gd oxides for import and export. Part 2: Determination of ignition loss
Status: Valid

SN/T 0065.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 0065.2-2011	139	Add to Cart	2 days	Method for determination of europium-rich, yttrium-rich, Sm-Eu-Gd oxides for import and export. Part 2: Determination of ignition loss	Valid
SN 0065.2-1992	199	Add to Cart	2 days	Method for determination of ignition lossfor export Europium-Rich, Yttrium-Rich, Sm-Eu-Gd qxides. Gravimetric method	Obsolete

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Basic data

Standard ID: SN/T 0065.2-2011 (SN/T0065.2-2011)
Description (Translated English): Method for determination of europium-rich, yttrium-rich, Sm-Eu-Gd oxides for import and export. Part 2: Determination of ignition loss
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: D41
Classification of International Standard: 73.060.99
Word Count Estimation: 5,595
Date of Issue: 2011-02-25
Date of Implementation: 2011-07-01
Older Standard (superseded by this standard): SN 0065.2-1992
Quoted Standard: GB/T 6379.2
Regulation (derived from): National-Quality-Inspection-accreditation (2011) 90
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the import and export of rich europium, determination of yttrium-rich europium, gadolinium and samarium oxide loss on ignition. This section applies to the import and export rich europium, determination rich yttrium and europium, gadolinium, samarium oxide loss on ignition. Measuring range: 0. 50%-8. 00%.

SN/T 0065.2-2011: Method for determination of europium-rich, yttrium-rich, Sm-Eu-Gd oxides for import and export. Part 2: Determination of ignition loss

---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.
Method for determination of europium-rich, yttrium-rich, Sm-Eu-Gd oxides for import and export Part 2. Determination of ignition loss People's Republic of China Entry-Exit Inspection and Quarantine Standards Replacing SN 0065.2-1992 Importers and rich europium, yttrium-rich, samarium, europium, gadolinium oxide determination Part 2. Determination of loss on ignition Methodfordeterminationofeuropium-rich, yttrium-rich, Sm-Eu-Gd Part 2. Determinationofignitionloss Issued on. 2011-02-25 2011-07-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

SN/T 0065 "Importers rich europium, yttrium-rich, samarium, europium, gadolinium oxide measurement method" standard series is divided into three parts. --- Part 1. Determination of moisture --- Part 2. Determination of loss on ignition --- Part 3. Determination of total rare earth oxides This section SN/T Section 20065 of. This Part replaces SN 0065.2-1992 "export rich europium, yttrium-rich, samarium, europium, gadolinium oxide --- Gravimetric Determination of ignition loss." ". Chemical analysis methods - Part 4 standard writing rules" provisions of this section in accordance with SN 0065.2-1992 GB/T 20001.4 Be revised. This section compared with SN 0065.2-1992 main changes are as follows. --- Add a description of the preamble; --- Delete the obsolete GB 4471 "between Chemical test method precision laboratory tests to determine the repeatability and reproducibility"; --- Given precision repeatability limit, the reproducibility of the method has been covered limit measurement range, delete the original standard "critical difference between the 6.2 meter Operators "clause. This section proposed and managed by the National Certification and Accreditation Administration Committee. This section was drafted by. People's Republic of China Guangdong Entry-Exit Inspection and Quarantine of Liaoning People's Republic of China Bureau, Dongguan People's Republic of China Entry-Exit Inspection and Quarantine Zhongshan People's Republic of China. The main drafters of this section. Zhong Zhiguang, Michael, of Interferon Luo Yumei, Xie Jing, Chen Gufeng Cheng Lei Qing, Lu Zhenguo, Peng-speed standard, Zheng Jianguo, Zhangzhen Kun, Li Jinxing. This part of the standard replaces the previous editions are. --- SN 0065.2-1992. Importers and rich europium, yttrium-rich, samarium, europium, gadolinium oxide determination Part 2. Determination of loss on ignition

1 Scope

SN/T 0065 provisions of this part of the determination of the import and export rich europium, yttrium and rich europium, gadolinium, samarium oxide loss on ignition. This section applies to the import and export rich europium, samarium and europium measured yttrium-rich gadolinium oxide loss on ignition. Measuring range. 0.50% - 8.00%.

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. GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat Of the basic methods of reproduction Principle 3 Previously removed water sample, after 950 ℃ ± 50 ℃ calcined at 105 ℃ ± 5 ℃ drying, the measured loss of quality material.

4 Instrument

4.1 Analysis of balance. a sense of the amount of 0.1mg. 4.2 a platinum crucible. Volume 30mL ~ 50mL. 4.3 high-temperature furnace. maximum use temperature 1150 ℃.

5 Sample

Previously at 105 ℃ ± 5 ℃ drying to remove the sample ground water all through the 0.13mm standard sieve, 5 ℃ drying at 105 ℃ ± To constant weight, placed in a desiccator, cool to room temperature. Step 6 Analysis 6.1 Sample Weigh about 3g samples (see Chapter 5), accurate to 0.0001g. Independently carry out two measurements, the results of the arithmetic mean. 6.2 blank test Along with sample blank test. ......

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