GB/T 16484.5-2009 English PDF

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GB/T 16484.5-2009: Chemical analysis methods of rare earth chloride and light rare earth carbonate -- Part 5: Determination of barium oxide content -- Inductively coupled plasma atomic emission spectrometry
Status: Valid

GB/T 16484.5: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 16484.5-2009	189	Add to Cart	3 days	Chemical analysis methods of rare earth chloride and light rare earth carbonate -- Part 5: Determination of barium oxide content -- Inductively coupled plasma atomic emission spectrometry	Valid
GB/T 16484.5-1996	239	Add to Cart	2 days	Methods for chemical analysis of rare earth chloride and carbonate--Determination of barium oxide content in rare earth chloride	Obsolete

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Basic data

Standard ID: GB/T 16484.5-2009 (GB/T16484.5-2009)
Description (Translated English): Chemical analysis methods of rare earth chloride and light rare earth carbonate -- Part 5: Determination of barium oxide content -- Inductively coupled plasma atomic emission spectrometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H14
Classification of International Standard: 77.120.99
Word Count Estimation: 8,864
Date of Issue: 2009-09-04
Date of Implementation: 2010-05-01
Older Standard (superseded by this standard): GB/T 16484.5-1996
Regulation (derived from): National Standard Approval Announcement 2009 No.12 (Total No.152)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the rare earth chloride, determination of the amount of barium carbonate light rare earth oxide. This section applies to rare earth chloride, determination of the amount of barium carbonate light rare earth oxide. Measurement range of 0. 10% to 2. 00 %.

GB/T 16484.5-2009: Chemical analysis methods of rare earth chloride and light rare earth carbonate -- Part 5: Determination of barium oxide content -- Inductively coupled plasma atomic emission spectrometry

---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 chloride and light rare earth carbonate Part 5. Determination of barium oxide content Inductively coupled plasma atomic emission spectrometry ICS 77.120.99 H14 National Standards of People's Republic of China Replacing GB/T 16484.5-1996 Earth chloride and light rare earth carbonate chemical analysis methods Part 5. Determination of barium oxide Inductively Coupled Plasma Atomic Emission Spectrometry Posted 2009-10-30 2010-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 16484-2009 "rare earth chloride and light rare earth carbonate chemical analysis method" is divided into 22 parts. --- Part 1. Determination of cerium oxide content of ammonium ferrous sulfate titration; --- Part 2. europium oxide content - Inductively Coupled Plasma Mass Spectrometry; --- Part 3. 15 with a rare earth element oxide component measured by inductively coupled plasma atomic emission spectrometry; --- Part 4. Determination of thorium oxide content arsenazo Ⅲ spectrophotometry; --- Part 5. Determination of barium oxide by inductively coupled plasma atomic emission spectrometry; --- Part 6. Determination of calcium oxide content by flame atomic absorption spectrometry; --- Part 7. Determination of magnesium oxide content - Flame atomic absorption spectrometry; --- Part 8. Determination of the amount of sodium oxide flame atomic absorption spectrometry; --- Part 9. Determination of the amount of nickel oxide by flame atomic absorption spectrometry; --- Part 10. Determination of manganese oxide content by flame atomic absorption spectrometry; --- Part 11. Determination of lead oxide content by flame atomic absorption spectrometry; --- Part 12. Determination of the amount of sulfate; --- Part 13. Determination of the amount of ammonium chloride distillation - titration; --- Part 14. Determination of the amount of phosphate phosphorus antimony molybdenum blue spectrophotometric method; --- Part 15. light rare earth carbonate - Determination of the amount of chlorine in the silver nitrate turbidimetry; --- Part 16. rare earth chloride in an amount of water insolubles - Gravimetric method; --- Part 17. Determination of moisture content in rare earth carbonate; --- Part 18. Determination of light rare earth carbonate in the weight loss on ignition method; --- Part 20. nickel oxide, manganese oxide, lead oxide, aluminum oxide, zinc oxide, thorium oxide content - Inductively coupled plasma mass Spectroscopy; --- Part 21. Determination of iron oxide content of 1,10 phenanthroline spectrophotometry; --- Part 22. Determination of the amount of zinc oxide flame atomic absorption spectrometry; --- Part 23. Determination of carbonic acid insoluble light amount of rare earth gravimetric method. This section GB/T Part of 516,484. This Part replaces GB/T 16484.5-1996 "rare earth chloride, rare earth carbonate chemical analysis by flame atomic absorption spectrometry Barium oxide. " This section compared with the GB/T 16484.5-1996, have the following main changes. --- Instead of using inductively coupled plasma emission spectrometry flame atomic absorption spectrometry; --- Adjust measurement range from 0.40% to 2.0% of 0.10% to 2.00%; --- Increasing the precision of the terms; --- The standard text of the editorial changes; --- Increased quality assurance and control provisions; --- Delete the original standard for additional instructions. This part of the National Standardization Technical Committee rare and centralized. This section is responsible for drafting unit. Beijing Nonferrous Metal Research Institute, China Nonferrous Metals Industry Institute of Standards and Metrology and Quality. This section was drafted by the Beijing Nonferrous Metal Research Institute. Participated in the drafting of this section. Shandong Zibo Jiahua Advanced Material Resources Co., Ltd. The main drafters of this section. Rookie high, Li Na, Tong Ling. The drafters of some of the participants. Jiafu Yu. This part of the alternative criteria previously issued as follows. --- GB/T 16484.5-1996. Earth chloride and light rare earth carbonate chemical analysis methods Part 5. Determination of barium oxide Inductively Coupled Plasma Atomic Emission Spectrometry

1 Scope

GB/T 16484 provisions of this part of the determination of rare earth chloride, barium carbonate, the amount of light rare earth oxide. This section applies to the rare earth carbonate light rare earth oxide of barium chloride determination. Measurement range. barium oxide 0.10% to 2.00%.

2 principle of the method

Sample with anhydrous sodium carbonate melt, the flooding, and filtered. Residue was dissolved in nitric acid, perchloric acid. In dilute nitric acid medium, directly to the argon plasma Sub-light excitation, spectral measurement.

3 Reagents and materials

3.1 anhydrous sodium carbonate. Nitrate 3.2 (ρ1.42g/mL). 3.3 perchloric acid (ρ1.67g/mL). 3.4 nitric acid (1 + 1). 3.5 HCl (1 + 1). 3.6 sodium carbonate solution (20g/L). 3.7 barium chloride solution (250g/L). 3.8 ethanol. 3.9 Barium standard solution. Weigh 1.4371g by 110 ℃ baking 1h and cooled to room temperature in the dryer benchmark barium carbonate, placed 100mL beaker, add 20mL water, was added dropwise hydrochloric acid (3.5) until completely dissolved, the low temperature carbon dioxide purge heated to boiling, cooled to room temperature. Moved into 1000mL volumetric flask, dilute with water to volume, and mix. This solution 1mL containing 1000μg barium. 3.10 pairs nitrophenol indicator (1g/L). 3.11 argon ( > 99.99%).

4 Instrument

4.1 Inductively coupled plasma spectrometer with a resolution of < 0.006nm (200nm). 4.2 source. argon plasma light source.

5 Sample

5.1 Preparation of rare earth chloride sample. A sample was crushed, quickly placed in a weighing bottle immediately weighed. 5.2 Preparation of light rare earth carbonate sample. weigh the sample immediately after the opening. Step 6 Analysis 6.1 Sample Weigh 0.50g sample (5), accurate to 0.0001g. ......

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