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GB/T 6730.32-2013 English PDF

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Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6730.32-2013 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.

US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 6730.32-2013: Iron ores -- Determination of vanadium content -- The ammonium ferrous sulfate titrimetric method
Status: Valid

GB/T 6730.32: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 6730.32-2013	279	Add to Cart	3 days	Iron ores -- Determination of vanadium content -- The ammonium ferrous sulfate titrimetric method	Valid
GB/T 6730.32-1986	199	Add to Cart	2 days	Methods for chemical analysis of iron ores--The ferrous sulfate volumetric method for the determination of vanadium content	Obsolete

Similar standards

GB/T 6730.5 GB/T 6730.28 GB/T 6730.2 GB/T 6730.23 GB/T 6730.24 GB/T 6730.25

Basic data

Standard ID: GB/T 6730.32-2013 (GB/T6730.32-2013)
Description (Translated English): Iron ores -- Determination of vanadium content -- The ammonium ferrous sulfate titrimetric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D31
Classification of International Standard: 73.060.10
Word Count Estimation: 12,164
Older Standard (superseded by this standard): GB/T 6730.32-1986
Quoted Standard: GB/T 6379.1; GB/T 6379.2; GB/T 6682; GB/T 6730.1; GB/T 8170; GB/T 10322.1; GB/T 12805; GB/T 12806; GB/T 12808
Regulation (derived from): National Standards Bulletin 2013 No. 6
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 ferrous ammonium sulfate titration of vanadium content. This section applies to natural iron ore, iron ore, iron ore, sinter and pellets Determination of vanadium content, measurement range (mass fraction): 0. 100 % ~ 1. 00%.

GB/T 6730.32-2013: Iron ores -- Determination of vanadium content -- The ammonium ferrous sulfate 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.
Iron ores. Determination of vanadium content. The ammonium ferrous sulfate titrimetric method ICS 73.060.10 D31 National Standards of People's Republic of China Replacing GB/T 6730.32-1986 Determination of vanadium content of iron ore Ferrous ammonium sulfate titration Issued on. 2013-05-09 2014-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 6730.32-1986 "method of chemical analysis of iron, ferrous ammonium sulfate volumetric method for the determination of vanadium content." This part of this revision, the name was changed to "iron ore vanadium content - The ammonium ferrous sulfate titration method." Added "Warning" "2 Normative references", "5 instrument", "9 test reports" and other sections and content, and the following provisions were modified. --- Original introduction, the range is now Chapter 1, measurement range from "0.1%" to "0.100% to 1.00%"; --- Original Chapter 1, Chapter 3 now, and change the name of this chapter; --- Chapter 2 of the original, now in Chapter 4, increasing the water analysis reagents and instructions to modify the content and concentration of representation; --- Original Chapter 3, Chapter 6 now, to increase the "laboratory sample"; --- Original Chapter 4, is now in Chapter 7, modify Weigh Sample volume represents an increase of "carbonate - boric acid flux sample pretreatment party Law "," measurement "press" sample processing, vanadium oxide, titration "to modify; --- Original Chapter 5, Chapter 6, Section 8 now, and modify the results of the calculation formula in the formula amount units; regulate expression of precision, allowing poor repair To r, R. This part is proposed by the China Iron and Steel Association. This part of the National Iron ore and direct reduced iron Standardization Technical Committee (SAC/TC317) centralized. This section is drafted. Panzhihua Iron and Steel, Metallurgical Industry Information Standards Institute, National vanadium and titanium products Supervision and Inspection Center (chips). The main drafters of this section. Yang New Energy, Zhang Yudong, Li Xiaoqing, Zheng Xiaomin, Chenzi Bin, Bin Xi, Xu Ping, Zhou open, Ye Yunliang, Yanqi Guang, Guo Jinhui. This part of the standard replaces the previous editions are. --- GB/T 1376-1978, GB/T 6730.32-1986. Determination of vanadium content of iron ore Ferrous ammonium sulfate titration Warning --- Use this section shall be a person experiences regular laboratory work. This section does not point out all possible security asked question. 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 provides the ammonium ferrous sulfate titration method for the determination of vanadium content. This section applies to natural iron ore, the determination of iron ore, iron ore, sinter and pellets vanadium content measurement range (mass fraction Number). 0.100% to 1.00%.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 6379.1 measurement methods and results of Accuracy (trueness and precision) - Part 1. General principles and definitions GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat Of the basic methods of reproduction Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 6730.1 Method for analysis of chemical analysis of iron pre-dried sample preparation GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment GB/T 10322.1 iron ore sampling and sample preparation methods GB/T 12805 Laboratory glassware Burettes GB/T 12806 Laboratory glassware single marking flask GB/T 12808 Laboratory glassware single marking pipette Principle 3 Sodium peroxide or mixed samples of molten flux, acidified with sulfuric acid, first with ferrous vanadium, chromium and other substances reducing the oxidation state, and then use high Potassium permanganate vanadium (Ⅳ) oxide to vanadium (Ⅴ), an excess of potassium permanganate in the presence of urea to nitrite reduction to N- benzene-generation anthranilic Acid as indicator, titrated with ferrous ammonium sulfate standard solution titration, whereby the determination of vanadium content.

4 Reagents and materials

Unless otherwise indicated in the analysis using only recognized as analytical reagents and third grade GB/T 6682 specified above or distilled water Deionized water or equivalent purity. 4.1 sodium peroxide. 4.2 mixed flux, 2 parts of anhydrous sodium carbonate and 1 part finely and mix boric acid, dried and set aside. 4.3 graphite. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 6730.32-2013_English be delivered?

Answer: Upon your order, we will start to translate GB/T 6730.32-2013_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 6730.32-2013_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 6730.32-2013_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 6730.32-2013?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6730.32-2013 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.