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GB/T 7702.19-2008 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 7702.19-2008 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.

US$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 7702.19-2008: Test method for granular activated carbon from coal -- Determination of carbon tetrachloride (CCl4) desorption
Status: Valid

GB/T 7702.19: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 7702.19-2008	139	Add to Cart	3 days	Test method for granular activated carbon from coal -- Determination of carbon tetrachloride (CCl4) desorption	Valid
GB/T 7702.19-1997	199	Add to Cart	2 days	Standard test method for granultar activated carbon from coal--Determination of carbon tetrachloride (CCI4) desportion	Obsolete

Similar standards

GB/T 7702.14 GB/T 7702.3 GB/T 7702.18 GB/T 7702.20 GB/T 7702.15 GB/T 7702.20

Basic data

Standard ID: GB/T 7702.19-2008 (GB/T7702.19-2008)
Description (Translated English): Test method for granular activated carbon from coal -- Determination of carbon tetrachloride (CCl4) desorption
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D24
Classification of International Standard: 75.160.10
Word Count Estimation: 6,661
Date of Issue: 2008-11-20
Date of Implementation: 2009-05-01
Older Standard (superseded by this standard): GB/T 7702.19-1997
Quoted Standard: GB/T 7702.10-2008; GB/T 7702.13-1997; WJ 2281; WJ 2285
Regulation (derived from): National Standard Approval Announcement 2008 No.19 (Total No.132)
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 principles for determination of coal desorption of granular activated carbon tetrachloride, measurement procedures and results of calculation content. This section applies to coal granular activated carbon (hereinafter referred to as activated carbon) determination of carbon tetrachloride desorption rate.

GB/T 7702.19-2008: Test method for granular activated carbon from coal -- Determination of carbon tetrachloride (CCl4) desorption

---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.
Test method for granular activated carbon from coal. Determination of carbon tetrachloride (CCl4) desorption ICS 75.160.10 D24 National Standards of People's Republic of China Replacing GB/T 7702.19-1997 Test method for granular activated carbon coal quality Determination of carbon tetrachloride desorption rate Posted 2008-11-20 2009-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 7702 "Test method for granular activated carbon from coal quality" is divided into. --- Part 1. Determination of moisture; --- Part 2. Determination of particle size; --- Part 3. Determination of strength; --- Part 4. Determination of packing density; --- Part 5. Determination of water capacity; --- Part 6. Determination of methylene blue adsorption value; --- Part 7. Determination of iodine adsorption value; --- Part 8. Determination of phenol adsorption; --- Part 9. Determination of the ignition point; --- Part 10. Determination of benzene vapor chloroethane vapor guard time; --- Part 13. Determination of carbon tetrachloride adsorption rate; --- Part 14. Determination of sulfur capacity; --- Part 15. Determination of ash; --- Part 16. Determination of pH; --- Part 17. Determination of floating rate; --- Part 18. Determination of caramel; --- Part 19. Determination of carbon tetrachloride desorption rate; --- Part 20. specific surface area and pore volume determination. This section GB/T 7702 Part 19. This Part replaces GB/T 7702.19-1997 "granular activated carbon from coal - Determination of carbon tetrachloride - Test methods desorption rate." This section compared with the GB/T 7702.19-1997, main differences are as follows. a) according to the standard structure GB/T 1.1-2000 "Standardization Guide Part 1. Structure and rules are written standard" and GB/T 20001.4-2001 "work of standardization Part 4. Chemical analysis methods" to adjust; b) correct airflow than the speed of 10L/(min · cm2) for the gas flow 10L/min; c) dividing the value specified timer 0.1s; d) The amount of the unit according to uniform regulations to be modified. This section proposed and managed by China North Industries Group Corporation. This section is drafted. Shanxi Xinhua Chemical Co., Ltd. The main drafters of this section. Li Bing, late show wide, to Dong Yuan, Zhao Jijun, Zhao Honghai, Zhang Xu, Li Ruomei. This part of the standard replaces the previous editions are. --- GB/T 7702.19-1987, GB/T 7702.19-1997. Test method for granular activated carbon coal quality Determination of carbon tetrachloride desorption rate

1 Scope

This section sets out the principles for determination of coal quality granular activated carbon CTC desorption, the measurement step and results calculated and so on. This section applies to coal quality granular activated carbon (hereinafter referred to as activated charcoal) Determination of carbon tetrachloride desorption rate.

2 Normative references

The following documents contain provisions which, through GB/T reference in this 7702 constitute provisions of this part. 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. Granular activated carbon coal quality 7702.10-2008 Determination of benzene vapor chloroethane vapor guard time GB/T Test Method GB/T 7702.13-1997 QUALITY granular activated carbon adsorption test method for determination of carbon tetrachloride WJ2281 protective equipment for testing the meter verification procedures WJ2285 activated carbon impregnated activated carbon test tube assay verification procedures Principle 3 After the required test conditions, the activated carbon adsorption of carbon tetrachloride saturated after desorption, desorption constant for the desorption of carbon tetrachloride The mass fraction of carbon tetrachloride with activated carbon adsorption of carbon tetrachloride indicates the measured desorption capability.

4 instruments and equipment

4.1 desorption rate test device (see Fig. 1). Process Description. The desorption rate testing device switch is connected with the compressed air, pass into the air, air is first fitted into the cotton and live Activated carbon air purifier by containing silica gel or anhydrous calcium chloride drier, piston flowmeter, a tube furnace, a thermometer, a serpentine tube (with More than 1m long glass tube firing) into the measuring tube. 1 --- air purifier; 6,9 --- thermometer; 2 --- dryers; 7 --- serpentine tubes; 3 --- piston; 8 --- measuring tube; 4 --- flowmeter; 10 --- water bath. 5 --- tube furnace; Figure 1 Schematic of experimental desorption rate ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 7702.19-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 7702.19-2008_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 7702.19-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 7702.19-2008_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 7702.19-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 7702.19-2008 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.