GB/T 4103.12-2012 English PDFUS$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 4103.12-2012: Methods for chemical analysis of lead and lead alloys -- Part 12: Determination of thallium content Status: Valid GB/T 4103.12: Historical versions
Basic dataStandard ID: GB/T 4103.12-2012 (GB/T4103.12-2012)Description (Translated English): Methods for chemical analysis of lead and lead alloys -- Part 12: Determination of thallium content Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: H13 Classification of International Standard: 77.120.60 Word Count Estimation: 8,864 Older Standard (superseded by this standard): GB/T 4103.12-2000 Quoted Standard: GB/T 6682; GB/T 12806; GB/T 12808; GB/T 12809; GB/T 12810 Regulation (derived from): National Standards Bulletin No. 41 of 2012 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 lead and lead alloys Determination of thallium content. This section applies to lead and lead alloys thallium content. GB/T 4103.12-2012: Methods for chemical analysis of lead and lead alloys -- Part 12: Determination of thallium 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. ICS77.120.60 H13 National Standards of People's Republic of China Replacing GB/T 4103.12-2000 Lead and lead alloys - Analysis Part 12. Determination of thallium content Part 12. Determinationofthaliumcontent Issued on. 2013-10-01 2012-12-31 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordGB/T 4103 "Methods for chemical analysis of lead and lead alloys" is divided into 16 parts. --- Part 1. Determination of tin content; --- Part 2. Determination of antimony content; --- Part 3. Determination of copper content; --- Part 4. Determination of iron content; --- Part 5. Determination of bismuth content; --- Part 6. Determination of arsenic content; --- Part 7. Determination of the amount of selenium; --- Part 8. Determination of tellurium content; --- Part 9. Determination of calcium; --- Part 10. Determination of the amount of silver; --- Part 11. Determination of zinc content; --- Part 12. Determination of thallium content; --- Part 13. Determination of aluminum content; --- Part 14. Determination of cadmium content by flame atomic absorption spectrometry; --- Part 15. Determination of nickel content by flame atomic absorption spectrometry; --- Part 16. copper, silver, bismuth, arsenic, antimony, tin, zinc contents Optical emission spectroscopy. This is Part 12 GB/T 4103's. This Part replaces GB/T 4103.12-2000 "of lead and lead alloys - Determination of the amount of thallium", and GB/T 4103.12- Compared to 2000, the main changes are as follows. --- Supplementary dissolution and method of processing a large number of antimony, tin-lead alloy sample of; --- Supplementary terms of precision. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized. This section is responsible for drafting unit. Zhuzhou Smelter Group Co., Ltd., Beijing Mining Research Institute, Shaanxi Dongling Smelting Co., Ltd., White Silver colored copper Northwest Limited. This section is drafted. Shuikoushan Hunan Nonferrous Metals Group Co., Ltd., Hunan Nonferrous Metal Research Institute, Zhuzhou Smelter Group shares have Limited. The main drafters of this section. Zeng Guangming, Xiabing Wei, Chen Haiyan, Pangwen Lin, Wang Xiaoming, Tang Xiuyun, Zhou Li sand. This Part replaces the previous editions are. --- GB/T 472.9-1984; --- GB/T 4103.12-2000. Lead and lead alloys - Analysis Part 12. Determination of thallium content1 ScopeThis section GB/T 4103 provisions of the determination of lead and lead alloy thallium content. This section applies to the determination of lead and lead alloy thallium content.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 6682 analytical laboratory use specifications and test methods (ISO 3696) GB/T 12806 laboratory glassware single marking flask (ISO 1042) GB/T 12808 laboratory glassware single marking pipette (ISO 648) GB/T 12809 Laboratory glassware Glass Container design and construction principles (ISO 384) GB/T 12810 laboratory glassware gauge capacity calibration and use (ISO 4787)3 General3.1 Unless otherwise stated, the use of analytical reagent only recognized in the analysis; the water is distilled or deionized water or equivalent purity, Shall comply with the provisions of GB/T 6682's. 3.2 instruments shall be within the test cycle, the performance indicators should meet the technical parameters required for verification; glass containers GB/T 12808, GB/T 12809, GB/T 12806 specified in Class A, with reference to the specific use requirements GB/T 12810 in.4 crystal violet spectrophotometric method4.1 Determination of Range This section applies to the determination of lead and lead alloys thallium content was measured in the range of 0.0002% to 0.010% (mass fraction). 4.2 Principle Sample decomposition with nitric acid and hydrochloric acid, of lead generation lead chloride precipitation. Crystal violet and thallium (Ⅲ) reaction to form a colored complex, hydrochloric acid (0.12mol/L) medium was extracted with iso-amyl acetate, in the spectrophotometer at 595nm wavelength measured absorbance. 4.3 Reagents 4.3.1 over anhydrous sodium sulfate. 4.3.2 Sodium chloride, pure class distinctions. 4.3.3 Potassium. 4.3.4 ammonium chloride. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 4103.12-2012_English be delivered?Answer: Upon your order, we will start to translate GB/T 4103.12-2012_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 4103.12-2012_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 4103.12-2012_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+ countriesQuestion 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 Sales@ChineseStandard.net. 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 4103.12-2012?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 4103.12-2012 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. |