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GB/T 4701.6-2008 English PDF

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US$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 4701.6-2008: Ferrotitanium -- Determination of aluminium content -- EDTA titrimetric method
Status: Valid

GB/T 4701.6: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4701.6-2008	169	Add to Cart	3 days	Ferrotitanium -- Determination of aluminium content -- EDTA titrimetric method	Valid
GB/T 4701.6-1984	199	Add to Cart	2 days	Methods for chemical analysis of ferrotitanium--The 8-hydoxyquinoline volumetric method for the determination of aluminum content	Obsolete

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Basic data

Standard ID: GB/T 4701.6-2008 (GB/T4701.6-2008)
Description (Translated English): Ferrotitanium -- Determination of aluminium content -- EDTA titrimetric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H11
Classification of International Standard: 77.100
Word Count Estimation: 7,711
Date of Issue: 2008-05-13
Date of Implementation: 2008-11-01
Older Standard (superseded by this standard): GB/T 4701.6-1984
Quoted Standard: GB/T 4010
Regulation (derived from): National Standard Approval Announcement 2008 No.8 (Total No.121)
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 aluminum in titanium-iron EDTA titration. This section applies to the determination of aluminum content of ilmenite. Measuring range: 3. 00 %-12. 00%.

GB/T 4701.6-2008: Ferrotitanium -- Determination of aluminium content -- EDTA titrimetric 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.
Ferrotitanium. Determination of aluminium content. EDTA titrimetric method ICS 77.100 H11 National Standards of People's Republic of China Replacing GB/T 4701.6-1984 Ilmenite aluminum content - EDTA titration Posted 2008-05-13 2008-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This Part replaces GB/T 4701.6-1984 "Methods for chemical analysis of ferrotitanium 8-hydroxy quinoline volumetric method for determination of aluminum content." This portion of the GB/T 4701.6-1984 compared, mainly for the following technical modifications. --- Sample volume is adjusted by the 0.50g 0.25g; --- Nitric acid, hydrofluoric acid, sulfuric acid decomposition test material, residue for recycling instead of hydrochloric acid, nitric acid decomposition of the sample; --- Using hydrochloric acid - hexamethylenetetramine separation of interfering elements, instead of 8-hydroxy quinoline process separation of interfering elements; --- Instead of using EDTA titration adding an excess of potassium bromate standard titration solution, adding potassium iodide to generate iodine starch as a means Illustrated agent, sodium thiosulfate standard titration solution titration method. This part is proposed by the China Iron and Steel Association. This section is under the jurisdiction of Metallurgical Industry Information Standards Institute. This section is drafted. Sinosteel Jilin Ferroalloy Co., Ltd. The main drafters of this section. high Yumin, Liu, Yuan Ping, Zhang Guangrong. This part of the standard replaces the previous editions are. --- GB/T 4701.6-1984. Ilmenite aluminum content - EDTA titration Warning. Use of this section shall be a person experiences regular laboratory work. 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 specifies the determination of aluminum content of ilmenite EDTA titration. This section applies to the determination of aluminum content ilmenite, measurement range (mass fraction). 3.00% - 12.00%.

2 Normative references

The following documents contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this section, however, encourage the parties to this part of the research agreement Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 4010 alloy chemical analysis and preparation of samples Principle 3 Sample with nitric acid, hydrofluoric acid, sulfuric acid decomposition by hexamethylenetetramine, alkali after separation, the filtrate to adjust the pH, addition of excess EDTA Standard Solution to PAN as indicator drop back titration of excess EDTA standard solution titration using copper standard solution, then add fluoride Sodium replacement of aluminum, copper standard titration solution and then titrated according to standard titration solution of copper consumption, calculate the content of aluminum.

4 Reagents and materials

Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled water or its equivalent purity water. 4.1 sodium bisulfate, solid. 4.2 nitric acid, ρ1.42g/mL. 4.3 hydrofluoric acid, ρ1.15g/mL. 4.4 hydrochloride, ρ1.19g/mL. 4.5 Hydrogen peroxide, ρ1.10g/mL. 4.6 ammonia, ρ0.90g/mL. HCl 4.7, 1 + 1. 4.8 HCl, 1 + 99. Sulfate 4.9, 1 + 1. 4.10 hexamethylenetetramine solution, 250g/L. 4.11 hexamethylenetetramine lotion, 5g/L. 4.12 sodium hydroxide solution, 500g/L. 4.13 sodium fluoride solution, 50g/L. 4.14 acetic acid - ammonium acetate buffer solution Weigh 200g of ammonium acetate was dissolved in water, was added 10mL of acetic acid, diluted with water to 1000mL, Mix well. 4.15 mandelic acid solution, 50g/L. 4.16 aluminum standard solution 4.16.1 Weigh 1.0000g high purity aluminum (≥99.99%) in 400mL Teflon beaker, sodium hydroxide solution was added 100mL (100g/L) dissolved completely low-temperature heating, cooling, hydrochloric acid (4.7) and neutralized to dissolve the precipitate excess 20mL, cooled to room temperature, transferred to ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 4701.6-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 4701.6-2008_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 4701.6-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 4701.6-2008_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 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 4701.6-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 4701.6-2008 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.