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GB/T 17416.1-2010 English PDF

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GB/T 17416.1-2010: Method for chemical analysis of zirconium ores -- Part 1: Determination of zirconium-hafnium oxide content
Status: Valid

GB/T 17416.1: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 17416.1-2010English139 Add to Cart 3 days [Need to translate] Method for chemical analysis of zirconium ores -- Part 1: Determination of zirconium-hafnium oxide content Valid GB/T 17416.1-2010
GB/T 17416.1-1998English239 Add to Cart 2 days [Need to translate] Method for chemical analysis of Zirconium ores--Determination of Zirconium (Hafnium) content--xylenol orange photometric method Obsolete GB/T 17416.1-1998

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Basic data

Standard ID GB/T 17416.1-2010 (GB/T17416.1-2010)
Description (Translated English) Method for chemical analysis of zirconium ores -- Part 1: Determination of zirconium-hafnium oxide content
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard D43
Classification of International Standard 73.060
Word Count Estimation 6,640
Date of Issue 2010-11-10
Date of Implementation 2011-02-01
Older Standard (superseded by this standard) GB/T 17416.1-1998
Quoted Standard GB/T 6682
Regulation (derived from) National Standard Approval Announcement 2010 No.8 (Total No.163)
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 spectrophotometric determination of zirconium and hafnium zirconium ores aggregate amount of xylenol orange method. This standard applies to zirconium ores, also applies to the determination of zirconium and hafnium aggregate amount of other rare metal ores. Measuring range: 0. 010% to 2. 0 % (by mass) of zirconium and hafnium aggregate amount of [ aggregate amount of hafnium to zirconium dioxide meter ].

GB/T 17416.1-2010: Method for chemical analysis of zirconium ores -- Part 1: Determination of zirconium-hafnium oxide content


---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 chemical analysis of zirconium ores Part 1. Determination of zirconium-hafnium oxide content ICS 73.060 D43 National Standards of People's Republic of China Replacing GB/T 17416.1-1998 Methods for chemical analysis of zirconium ores Part 1. Determination of zirconium and hafnium together Part 1. Determinationofzirconium-hafniumoxidecontent Issued on. 2010-11-10 2011-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 17416 "Zirconium ores chemical analysis method" has two parts. --- Part 1. Determination of zirconium and hafnium together; --- Part 2. Determination of zirconium and hafnium amount. This section GB/T 17416 "Zirconium ores chemical analysis methods," Part 1. This Part replaces GB/T 17416.1-1998 "Determination of Zirconium (Hafnium) the amount of zirconium ores chemical analysis of xylenol orange." This section compared with the GB/T 17416.1-1998, the main changes are as follows. --- Modify this part of the English name; --- Text format has been modified; --- Formula for calculating the mass fraction represented by the symbol w instead of ω (%); --- Increased alert, warnings; --- Increased provision sample. This section presents the People's Republic of China Ministry of Land Resources. This part of the National Standardization Technical Committee under the jurisdiction of Land and Resources. This section is responsible for drafting. National geology test center. This section is drafted. Liaoning Provincial Institute of Geology. The main drafters of this section. ﹑ Shao Wenjun Yang Wei. This part of the standard replaces the previous editions are. --- GB/T 17416.1-1998. Methods for chemical analysis of zirconium ores Part 1. Determination of zirconium and hafnium together Warning. Use of this standard shall have a person experiences regular laboratory work. This standard does not point out all possible security issues. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.

1 Scope

GB/T 17416 provisions of this part of the spectrophotometric determination of zirconium, hafnium, zirconium ores combined amount of xylenol orange method. This section applies to zirconium ore, also applies to the determination of the amount of Zr, Hf together other rare metal ores. Measurement range. 0.010% to 2.0% (by mass) of zirconium hafnium combined amount [hafnium zirconium dioxide co-meter].

2 Normative references

The following documents contain provisions which, through reference GB/T 17416 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. Laboratory use specifications and test methods GB/T 6682 Analysis Principle 3 Sodium oxide sample after alkali fusion decomposition, triethanolamine extraction, in 0.6mol/L HCl medium, zirconium, hafnium and XO form a red envelope Compound, addition of a cationic surfactant cetyl trimethyl ammonium bromide (of CTMAB) after spectrophotometer, measured at a wavelength of 560nm, Absorbance, calculate the amount of zirconium and hafnium together.

4 Reagents

The reagents used in this section, unless otherwise indicated, the use of analytical chemical reagents and in line with GB/T 6682 analysis laboratory analysis Water. 4.1 sodium peroxide. 4.2 Hydrofluoric acid (ρ1.13g/mL). Warning. toxic and highly corrosive, the operation should wear gloves to prevent skin contact 4.3 sulfate (11). Warning. Under constant stirring to concentrated sulfuric acid was slowly added to the water, be careful 4.4 hydrochloride (12). 4.5 hydrochloride (15). 4.6 Sodium hydroxide solution (10g/L). 4.7 triethanolamine (595). 4.8 triethanolamine sodium hydroxide solution. In 1L containing triethanolamine solution (4.7) in the beaker, 40g of solid sodium hydroxide, dissolved, and mix. 4.9 Magnesium chloride solution (80g/L). 4.10 cupric chloride solution (20g/L). 4.11 thiourea solution (100g/L). 4.12 XO solution (1g/L). Weigh 0.1g xylenol orange (C31H28O13N2SNa4) was dissolved in 100mL of hydrochloric acid (19) was , Place a few days use.

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