GB/T 11200.3-2008 English PDFUS$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 11200.3-2008: Text methods of high-purity sodium hydroxide -- Part 3: Determination of calcium content -- Flame atomic absorption method Status: Valid GB/T 11200.3: Historical versions
Basic dataStandard ID: GB/T 11200.3-2008 (GB/T11200.3-2008)Description (Translated English): Text methods of high-purity sodium hydroxide -- Part 3: Determination of calcium content -- Flame atomic absorption method Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G11 Classification of International Standard: 71.060.40 Word Count Estimation: 6,681 Date of Issue: 2008-06-18 Date of Implementation: 2009-02-01 Older Standard (superseded by this standard): GB/T 11200.3-1989 Quoted Standard: GB/T 6682; GB/T 9723 Adopted Standard: JIS K1200-8-1-2000, MOD Regulation (derived from): National Standard Approval Announcement 2008 No.10 (Total No.123) 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 determination of sodium hydride industrial calcium content by atomic absorption spectrometry method. This section applies to the calcium content greater than 0. 000035% of the product. GB/T 11200.3-2008: Text methods of high-purity sodium hydroxide -- Part 3: Determination of calcium content -- Flame atomic absorption method---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. Text methods of high-purity sodium hydroxide Part 3. Determination of calcium content Flame atomic absorption method. ICS 71.060.40 G11 National Standards of People's Republic of China Replacing GB/T 11200.3-1989 Test methods of high purity sodium hydroxide Part 3. Determination of calcium content Flame Atomic Absorption Spectrometry Posted 2008-06-18 2009-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordGB/T 11200 "high purity sodium hydroxide test method" is expected to be divided into the following three parts. --- Part 1. Determination of sodium chlorate o - tolidine spectrophotometry; --- Part 2. Determination of aluminum oxide content spectrophotometry; --- Part 3. Determination of calcium content by flame atomic absorption spectrometry. This section GB/T 311 200 Part of the partially modified by the Japanese standards JISK1200-8-1.2000 "Industrial hydroxide Sodium Section 8 Section 1 Determination of calcium content by flame atomic absorption spectrometry "(Japanese version). This portion JISK1200-8-1.2000 main technical differences are as follows. --- Modify the representation of calcium standard solution; --- Based on product quality status, the amount of calcium standard solution standard curve has been adjusted; --- Modify the results of the formula. This Part replaces GB/T 11200.3-1989 "ion exchange membrane caustic soda calcium content by flame atomic absorption spectrometry." This section compared with the GB/T 11200.3-1989 The main changes are as follows. --- Modify the standard name; --- Added "foreword"; --- Modify the sample size (1989 Version 6.1; 6.1 edition); --- Modify the preparation of the sample solution (1989 Version 6.1; 6.1 edition); --- Increased operating method working curves as the main agent and adding anti lanthanum chloride solution (edition 6.2); --- Based on product quality status, the amount of calcium standard solution standard curve has been adjusted (1989 Version 6.2; this version 6.2.1); --- Modified calcium oxide content is calculated (1989 version of Chapter 8; Chapter 7 of this edition). This part is proposed by the China Petroleum and Chemical Industry Association. This part of the National Standardization Technical Committee chlor-alkali chemical branch (SAC/TC63/SC6) centralized. This section is drafted. Jinxi Chemical Industry Research Institute, Tangshan Jidong Chlor-Alkali Co., Ltd. The main drafters of this section. Hu Liming, Chenpei Yun, Wang Zhifang, Li Furong, Tianyou Li. This part of the standard replaces the previous editions are. --- GB/T 11200.3-1989. Please note that some of the content of this section may involve patents. This part of the release mechanism should not bear the responsibility to identify these patents. Test methods of high purity sodium hydroxide Part 3. Determination of calcium content Flame Atomic Absorption Spectrometry1 ScopeGB/T 11200 provisions of this part of the measuring method for industrial use sodium calcium content by atomic absorption spectrometry. This section applies to calcium content (calcium oxide) is greater than 0.000035% of the product.2 Normative referencesThe following documents contain provisions which, through reference GB/T 11200 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. GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) GB/T 9723 Chemicals flame atomic absorption spectrometry General Principle 3 The sample was acidified with hydrochloric acid by atomic absorption method, acetylene - air flame after to eliminate interferences, add lanthanum ion measurement Given calcium.4 Reagents and materialsThe method of the reagents and water, high-purity reagents and GB/T 6682 in the corresponding provisions of secondary water or pure water. 4.1 hydrochloric acid. calcium content is less than 0.000005%. 4.2 lanthanum chloride solution. 5g/L (solution of calcium content is less than 0.00001%). 4.3 Preparation of either according to the following. a) the 5.9g lanthanum oxide (La2O3) was dissolved in hydrochloric acid 15mL, transferred to 1000mL volumetric flask, dilute to the mark. b) To 13.4g of lanthanum chloride (LaCl3 · 7H2O) was dissolved in water and transferred to 1000mL volumetric flask, dilute to the mark. 4.4 Sodium chloride acid solution. 58.5g/L Weigh 29g of sodium chloride into 500mL conical flask, dissolved in water and add 250mL 40mL hydrochloric acid, boil 5min, cooled to At room temperature and transferred to 500mL volumetric flask, add water to the mark. 4.5 Calcium standard solution. 100μg/mL Weigh 250 ℃ in advance by drying and a constant amount of calcium carbonate (purity > 99.99%) 0.2497g, accurate to 0.0001g, placed 250mL beaker, then 15mL of water and 10mL of hydrochloric acid mixture injected into the beaker and then the entire solution was transferred to 1000mL capacity Flask, dilute to the mark. spare. NOTE. You can purchase a commercially available standard solution using atomic absorption spectroscopy 4.6 Calcium standard solution. 10μg/mL Absorb calcium 20.0mL standard solution (4.5), placed in 200mL volumetric flask, dilute to the mark, shake before use this solution formulation. 5. Apparatus The following general laboratory equipment and instruments. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 11200.3-2008_English be delivered?Answer: Upon your order, we will start to translate GB/T 11200.3-2008_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 11200.3-2008_English with my colleagues?Answer: Yes. 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