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GB/T 18114.4-2010 English PDF

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GB/T 18114.4-2010: Chemical analysis methods of rare earth concentrates -- Part 4: Determination of niobium oxide, zirconium oxide and titanium oxide contents -- Inductively coupled plasma atomic emission spectrometry
Status: Valid

GB/T 18114.4: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 18114.4-2010English169 Add to Cart 3 days [Need to translate] Chemical analysis methods of rare earth concentrates -- Part 4: Determination of niobium oxide, zirconium oxide and titanium oxide contents -- Inductively coupled plasma atomic emission spectrometry Valid GB/T 18114.4-2010
GB/T 18114.4-2000English199 Add to Cart 2 days [Need to translate] Methods for chemical analysis of monazite concentrates. Determination of titanium oxide content Obsolete GB/T 18114.4-2000

PDF similar to GB/T 18114.4-2010


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GB/T 18882.1   GB/T 18115.2   GB/T 18882.2   GB/T 18114.3   GB/T 18114.8   GB/T 18114.11   

Basic data

Standard ID GB/T 18114.4-2010 (GB/T18114.4-2010)
Description (Translated English) Chemical analysis methods of rare earth concentrates -- Part 4: Determination of niobium oxide, zirconium oxide and titanium oxide contents -- 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 7,781
Date of Issue 1/14/2011
Date of Implementation 11/1/2011
Older Standard (superseded by this standard) GB/T 18114.4-2000; GB/T 18114.5-2000
Regulation (derived from) Announcement of Newly Approved National Standards No. 2 of 2011
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 amount of niobium oxide, zirconium oxide content, Determination of the amount of rare earth oxide concentrate in.

GB/T 18114.4-2010: Chemical analysis methods of rare earth concentrates -- Part 4: Determination of niobium oxide, zirconium oxide and titanium oxide contents -- 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 concentrates Part 4. Determination of niobium oxide, zirconium oxide and titanium oxide contents Inductively coupled plasma atomic emission spectrometry ICS 77.120.99 H14 National Standards of People's Republic of China Replacing GB/T 18114.4-2000, GB/T 18114.5-2000 Methods for chemical analysis of rare earth concentrates Part 4. niobium oxide, zirconium oxide, Determination of the amount of titanium oxide Inductively Coupled Plasma Atomic Emission Spectrometry Part 4. Determinationofniobiumoxide, zirconiumoxideandtitanium Issued on. 2011-11-01 2011-01-14 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 18114 "Methods for chemical analysis of rare earth concentrates" is divided into 11 parts. --- Part 1. Determination of total rare earth oxide gravimetric method; --- Part 2. Determination of thorium oxide content; --- Part 3. Determination of calcium oxide content; --- Part 4. niobium oxide, zirconium oxide, titanium oxide content - Inductively coupled plasma atomic emission spectrometry; --- Part 5. aluminum oxide content - Inductively coupled plasma atomic emission spectrometry; --- Part 6. Determination of the amount of silica; --- Part 7. Determination of the amount of iron oxide dichromate method; --- Part 8. fifteen rare earth element oxide with components measured by inductively coupled plasma atomic emission spectrometry; --- Part 9. Determination of the amount of phosphorus pentoxide bismuth molybdenum blue spectrophotometric method; --- Part 10. Determination of moisture content - Gravimetric method; --- Part 11. Determination of the amount of fluorine EDTA titration. This is Part 4. This part is GB/T 18114.4-2000 "Methods for chemical analysis of monazite concentrates - Determination of the amount of titanium oxide", GB/T 18114.5- 2000 "Methods for chemical analysis of monazite concentrates - Determination of zirconium oxide content," the amendment. This portion of the GB/T 18114.4-2000, GB/T 18114.5-2000 compared to the main changes are as follows. --- The titanium was determined by spectrophotometry, EDTA titration method for the determination of zirconium adjusted by inductively coupled plasma emission spectrometry, with Increases the determination of niobium content; --- ZrO2 by the measurement range of 0.50% to 4.00 percent to 1.00% ~ 5.00%; TiO2 by a 0.50 percent to 4.00 percent to 0.10 to 4.00%; --- Increasing the precision of the terms; --- Increased quality assurance and control provisions. This part of the National Standardization Technical Committee of rare earth (SAC/TC229) centralized. This section is Baotou Rare Earth Research Institute, China Nonferrous Metals Industry Institute of Standards Metrology and Quality is responsible for drafting. This section was drafted by the Baotou Rare Earth Research Institute. This part of the Inner Mongolia Baotou Steel Rare Earth (Group) Hi-Tech Company, Beijing Nonferrous Metal Research Institute participated in the drafting. The main drafters of this section. Cui love ends, gold Siqingaowa. The drafters of some of the participants. Zhang Yulong, Yao Yuanfang, Zheng Kun, Yang Ping, Chen Yun red. This part of the standard replaces the previous editions are. --- GB/T 18114.4-2000, GB/T 18114.5-2000. Methods for chemical analysis of rare earth concentrates Part 4. niobium oxide, zirconium oxide, Determination of the amount of titanium oxide Inductively Coupled Plasma Atomic Emission Spectrometry

1 Scope

GB/T 18114 in the provisions of this part of the amount of niobium oxide, zirconium oxide content, determination of the amount of rare earth oxide concentrate. This section applies to niobium oxide, zirconium oxide content, determining the amount of rare earth oxide concentrate. Measuring range. Nb2O5. 0.070% ~ 0.20%; ZrO2. 1.00% ~ 5.00%; TiO2. 0.10% ~ 4.00%. Principle 2 Sample by sodium peroxide fusion with sodium decomposed by inductively coupled plasma emission spectrometer, in hydrofluoric acid medium plus standard Determination of the method low levels of titanium, niobium oxide, in hydrochloric acid medium Determination of high content of titanium oxide, zirconium oxide content standard curve.

3 Reagents and materials

3.1 sodium hydroxide. 3.2 sodium peroxide. 3.3 potassium pyrosulfate. 3.4 sulfate (ρ1.84g/mL). 3.5 hydrochloride (ρ1.19g/mL). 3.6 Hydrofluoric acid (ρ1.14g/mL). 3.7 NaOH wash 20g/L. 3.8 Titanium dioxide standard stock solution. Weigh 0.1000g pre-burning 0.5h and cooled to room temperature in a dryer at 850 ℃ two Titanium oxide (purity > 99.99%) in a platinum crucible, add 4g potassium pyrosulfate (3.3), on the low-temperature furnace heated to remove moisture at 750 ℃ Muffle furnace melting 10min, coolish. 5mL and 50mL water with sulfuric acid (3.4) to extract, heated to dissolve frit, clear solution. Coolish Transferred to 200mL volumetric flask, dilute with water to volume, and mix this solution 1mL containing 500μg titanium dioxide. Titanium dioxide 3.9 Standard solution. standard dispensing 10.00mL titania stock solution (3.8) in 100mL volumetric flask, was added 5mL Hydrochloric acid (3.5), dilute to the mark, and mix the solution 1mL containing 50μg titanium dioxide. 3.10 zirconia standard stock solution. Weigh 0.1000g pre-burning 0.5h and cooled to room temperature in a dryer at 850 ℃ two Zirconia (purity > 99.99%) in a platinum crucible, add 4g potassium pyrosulfate (3.3), on the low-temperature heating furnace to remove moisture at 750 ℃ Muffle furnace melting 10min, coolish. 5mL and 50mL water with sulfuric acid (3.4) to extract, heated to dissolve frit, clear solution. Coolish Transferred to 200mL volumetric flask, dilute with water to volume, and mix this solution 1mL containing 500μg zirconium dioxide. 3.11 zirconium dioxide standard solution. dispensing 10.00mL zirconia standard stock solution (3.10) in 100mL flask, add 5mL hydrochloric acid (3.5), dilute to the mark, and mix the solution 1mL containing 50μg zirconium dioxide. 3.12 niobium pentoxide standard stock solution. Weigh 0.1000g pre-burning 0.5h and cooled to room temperature at 850 ℃ in the dryer Niobium pentoxide (purity > 99.99%) in a platinum crucible, add 4g potassium pyrosulfate (3.3), on the low-temperature heating furnace to remove moisture in 750 ℃ \u200b\u200bmuffle furnace melting 10min, coolish. Polytetrafluoroethylene beaker of water and extracted with 50mL and 10mL hydrofluoric acid (3.6), heating Frit to dissolve, and the solution clear. Coolish, transferred to 100mL plastic volumetric flask, dilute with water to volume, and mix the solution containing 1mL 1000μg niobium pentoxide.

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