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GB/T 10322.8-2009 English PDF

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US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 10322.8-2009: Iron ores -- Single-point determination of specific surface area -- Nitrogen adsorption method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 10322.8-2009	189	Add to Cart	3 days	Iron ores -- Single-point determination of specific surface area -- Nitrogen adsorption method	Valid

Similar standards

GB/T 10322.5 GB/T 10322.1 GB/T 8454 GB/T 10322.3 GB/T 10322.9 GB/T 10322.6

Basic data

Standard ID: GB/T 10322.8-2009 (GB/T10322.8-2009)
Description (Translated English): Iron ores -- Single-point determination of specific surface area -- Nitrogen adsorption method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D31
Classification of International Standard: 73.060.10
Word Count Estimation: 8,830
Date of Issue: 2009-10-30
Date of Implementation: 2010-05-01
Quoted Standard: GB/T 10322.1
Regulation (derived from): National Standard Approval Announcement 2009 No.12 (Total No.152)
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 provides a single point measurement method for the determination of the specific surface area of iron ore by nitrogen adsorption method. This section applies to iron ore fine powder.

GB/T 10322.8-2009: Iron ores -- Single-point determination of specific surface area -- Nitrogen adsorption 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. Single-point determination of specific surface area. Nitrogen adsorption method ICS 73.060.10 D31 National Standards of People's Republic of China Ore than a single-point surface area measurement Nitrogen adsorption Posted 2009-10-30 2010-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 10322 Appendix A of this part of normative appendix, Appendix B and Appendix C are informative appendices. This part is proposed by the China Iron and Steel Association. This part of the National Standardization Technical Committee reduced iron ore and direct centralized. This part mainly drafted by. Ningbo Inspection and Quarantine Institute of Science and Technology, Metallurgical Industry Information Standards Institute, People's Republic of China Tianjin CIQ. The main drafters of this section. Liao Haiping, should pine, Ren Chunsheng, Zhang steel, Chenzi Bin, Gu Songhai. Ore than a single-point surface area measurement Nitrogen adsorption

1 Scope

This section GB/T 10322 specifies the measurement method of iron ore by nitrogen adsorption surface area than a single point. This section applies to iron ore fine powder.

2 Normative references

The following documents contain provisions which, through reference GB/T 10322 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 10322.1 iron ore sampling and sample preparation method (GB/T 10322.1-2000, idtISO 3082.1998) Principle 3 Samples were placed in liquid nitrogen after degassing treatment bath, nitrogen gas mixture of helium adsorption of nitrogen gas, saturated nitrogen adsorption-desorption, absorption is detected Nitrogen attached volume, according to the BET equation to calculate the surface area of \u200b\u200bthe sample, or a specific surface area obtained by comparing the standard sample.

4 Reagents

4.1 liquid nitrogen, is not less than the purity 99.99%. 4.2 Nitrogen, not less than 99.99% purity. Helium 4.3, purity of not less than 99.99%. 4.4 nitrogen helium mixture, mixing the first two purity not less than 99.99%, nitrogen partial pressure of 0.2. The specific surface area 4.5 standard sample, the specific surface area of \u200b\u200b0.5m2/g ~ 20m2/g is appropriate.

5 instruments and equipment

5.1 The specific surface area tester, mainly by the gas system and the detector composition, based on any principle of BET, to arrive at the correct ratio of surface area analyzer Is available. 5.2 Balance, accurate to 0.1mg. 5.3 Dewar.

6 Sampling and sample preparation

According to GB/T 10332.1 sampled. Experimental samples without grinding and sieving (also by the parties to agree on the scope of the sample size, screening out of character Combined sample size requirements).

7 Procedure

Warning. the human body in direct contact with liquid nitrogen can cause severe frostbite during the test should take effective security measures, such as wearing gloves and antifreeze Goggles. 7.1 Number of measurements Pre-drying of the same sample measured at least twice in parallel. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 10322.8-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 10322.8-2009_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 10322.8-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 10322.8-2009_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.