HOME   Cart(0)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189759 (12 Oct 2025)

GB/T 14352.14-2010 English PDF

US$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 14352.14-2010: Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 14: Determination of gallium content
Status: Valid

GB/T 14352.14: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 14352.14-2010English139 Add to Cart 3 days [Need to translate] Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 14: Determination of gallium content Valid GB/T 14352.14-2010
GB/T 14352.14-1993English199 Add to Cart 2 days [Need to translate] Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of gallium content. Rhodamine B photometric method after butylacetate extraction Obsolete GB/T 14352.14-1993

PDF similar to GB/T 14352.14-2010


Standard similar to GB/T 14352.14-2010

SN/T 2763.6   GB/T 14353.18   SN/T 3365   GB/T 14352.21   GB/T 14352.22   GB/T 14352.20   

Basic data

Standard ID GB/T 14352.14-2010 (GB/T14352.14-2010)
Description (Translated English) Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 14: Determination of gallium content
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard D40
Classification of International Standard 73.060
Word Count Estimation 6,633
Date of Issue 2010-11-10
Date of Implementation 2011-02-01
Older Standard (superseded by this standard) GB/T 14352.14-1993
Quoted Standard GB/T 6682; GB/T 14505
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 tungsten ores, determination of the amount of molybdenum ore Jia. This section applies to tungsten ores, determination of molybdenum ore Jia amount. Measuring range: 2 ��g/g ~ 500 ��g/g of gallium.

GB/T 14352.14-2010: Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 14: Determination of gallium 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.
Methods for chemical analysis of tungsten ores and molybdenum ores Part 14. Determination of gallium content ICS 73.060 D40 National Standards of People's Republic of China Replacing GB/T 14352.14-1993 Tungsten ores and molybdenum ores - Methods for chemical analysis Part 14. Determination of gallium Part 14. Determinationofgaliumcontent 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 14352 "tungsten ores and molybdenum ores chemical analysis methods," a total of 18 parts. --- Part 1. Determination of tungsten; --- Part 2. Determination of molybdenum; --- Part 3. Determination of copper content; --- Part 4. Determination of lead content; --- Part 5. Determination of the amount of zinc; --- Part 6. Determination of cadmium content; --- Part 7. Determination of cobalt content; --- Part 8. Determination of nickel content; --- Part 9. Determination of sulfur content; --- Part 10. Determination of arsenic content; --- Part 11. Determination of the amount of bismuth; --- Part 12. determination of silver; --- Part 13. Determination of tin; --- Part 14. Determination of gallium; --- Part 15. Determination of germanium content; --- Part 16. Determination of the amount of selenium; --- Part 17. Determination of tellurium content; --- Part 18. Determination of the amount of rhenium. This section GB/T Part of 1,414,352. This Part replaces GB/T 14352.14-1993 "tungsten ores and molybdenum ores - Methods for chemical analysis butylacetate extraction - Rhodamine B Determination of gallium content "method. Section compared with the GB/T 14352.14-1993, major changes in the following. --- Increasing the content of the warning; --- Modify the sample drying temperature. Appendix A of this section is an informative annex. 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. Jiangsu Provincial Institute of Geological Survey (Ministry of Land and Mineral Resources Supervision and Testing Center, Nanjing). The main drafters of this section. Xiao Ling, Zhou Kangmin. This part of the standard replaces the previous editions are. --- GB/T 14352.14-1993. Tungsten ores and molybdenum ores - Methods for chemical analysis Part 14. Determination of gallium Warning. Use of this section a person shall be regular laboratory work experience. This section does not indicate that 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

This section GB/T 14352 specifies the method for the determination of tungsten ores and molybdenum ores in the amount of gallium. This Part applies to tungsten ores Determination of gallium content of molybdenum ore. Measuring range. 2μg/g ~ 500μg/g of gallium.

2 Normative references

The following documents contain provisions which, through reference GB/T 14352 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 GB/T 14505 method for chemical analysis of rocks and ores General rules and regulations Principle 3 Sample molten sodium peroxide, the flooding, hydrochloric acid, dehydration in addition to silicon, in hydrochloric acid medium, titanium trichloride reduced iron, gold, thallium, antimony, Molybdenum and other elements, with butyl acetate extraction of gallium chloride anions, separated from interfering elements. Gallium chloride anions (GaCl4-) and Rhodamine B To form a red solid compound with toluene - methyl isobutyl ketone extraction, the organic phase was purple roses on spectrophotometer, at a wavelength of 562nm, The absorbance was measured to calculate the amount of gallium.

4 Reagents

Unless otherwise stated in this section are consistent with the use of analytical reagent and GB/T 6682 analytical laboratory use in the analysis. 4.1 sodium peroxide. 4.2 Butyl acetate. 4.3 titanium trichloride (blank check should be carried out prior to use, process impurity see Appendix A.3). 4.4 hydrochloride (ρ1.19g/mL). 4.5 hydrochloric acid c (HCl) = 5.5mol/L. 4.6 sodium chloride solution (100g/L). 4.7 Rhodamine B solution (5g/L). Weigh 0.5g rhodamine B, was dissolved in 100mL of hydrochloric acid (4.4) in. 4.8 Toluene - Methyl isobutyl ketone solvent (41). 4.9 Gallium standard solution. a) Gallium standard stock solution [ρ (Ga) = 200.0μg/mL]. Weigh 50.0mg metallic gallium (99.99%), a 50mL beaker Was added 10mL of hydrochloric acid (4.4), a few drops of hydrogen peroxide, covered with a watch glass at 140 ℃ after dissolved by heating temperature control plate, with less The amount of water to the surface of the pan, continue in a temperature controlled heating plate and evaporated to dryness, added 25mL of hydrochloric acid (4.4) gallium salt dissolved and transferred to 250mL capacity

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 14352.14-2010_English be delivered?

Answer: Upon your order, we will start to translate GB/T 14352.14-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 14352.14-2010_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 14352.14-2010_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 14352.14-2010?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 14352.14-2010 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.