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GB/T 2601-2008 English PDF

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Q: Should I purchase the latest version GB/T 2601-2008?

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US$299.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 2601-2008: The chromatographic method for determination of content of hydroxybenzene
Status: Valid

GB/T 2601: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 2601-2008	299	Add to Cart	3 days	The chromatographic method for determination of content of hydroxybenzene	Valid
GB/T 2601-1981	199	Add to Cart	2 days	Products from phenols--Determination of composition--Gas chromatography	Obsolete

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Basic data

Standard ID: GB/T 2601-2008 (GB/T2601-2008)
Description (Translated English): The chromatographic method for determination of content of hydroxybenzene
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G18
Classification of International Standard: 71.080.90
Word Count Estimation: 13,192
Date of Issue: 2008-05-13
Date of Implementation: 2008-11-01
Older Standard (superseded by this standard): GB/T 2601-1981; GB/T 2604-1981
Quoted Standard: GB/T 1999
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 principles of phenolic product composition measurement, reagents and materials, instrument, specimens taken, test procedure, calculated results, report and precision. This standard applies to the determination of coking products consisting of phenolic products. Determination of the composition of industrial xylenol, between p-cresol, composition determined o-cresol, etc., , method applicable to a product of the coking coking phenol, industrial phenol, method two coking products suitable for industrial cresol.

GB/T 2601-2008: The chromatographic method for determination of content of hydroxybenzene

---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.
The chromatographic method for determination of content of hydroxybenzene ICS 71.080.90 G18 National Standards of People's Republic of China Replacing GB/T 2601-1981, GB/T 2604-1981 Determination of the composition of phenolics by gas chromatography 2008-05-13 released 2008-11-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard is GB/T 2601-1981 "composition of the phenolic gas chromatography method", GB/T 2604-1981 "o-cresol group Into the GC determination method "based on the revised and integrated into a standard. This standard replaces GB/T 2601-1981, GB/T 2604-1981. This standard compared with GB/T 2601-1981, GB/T 2604-1981 main changes are as follows. --- Added foreword, normative references, etc .; --- Increasing the principle and the sample to take the requirements; --- Capillary column instead of packed column, and the determination of the method was revised; --- The precision of the test was revised. This standard is proposed by China Iron and Steel Association. This standard by the metallurgical industry standard Institute of Information centralized. This standard is mainly drafted by. Anshan Iron and Steel Co., Ltd., Shanghai Baosteel Chemical Co., Ltd. Meishan Branch, Metallurgical Industry Information Standard Institute. The main drafters of this standard. Tao Lanfen, Lu Hui, Cheng Yaping, Guan Yongyi, Zheng Xiaolei, Zhao Ming, Li Zhiliang, Cai Guoxia, Su Hong, Luo Hongyan, Sun Wei. This standard replaces the standards previously issued as follows. --- GB/T 2601-1981; --- GB/T 2604-1981. Determination of the composition of phenolics by gas chromatography

1 Scope

This standard specifies the principles of the determination of the composition of phenolic compounds, reagents and materials, equipment, samples taken, test procedures, the results of calculations, reports and Precision. This standard applies to coking products in the determination of the composition of phenols. Method one is suitable for the determination of coking phenol, industrial phenol and o-cresol in coking products; Method two for coking products in the industrial cresol, m-cresol, industrial xylenol and other components of the determination.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. All dated references, which are subsequently owned Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to reach an agreement based on this standard research Whether you can use the latest versions of these files. For undated references, the latest version applies to this standard. GB/T 1999 Coking products - Light oil sampling method

3 principle

The components of the phenolic product were separated by capillary column, and the content of each component in the phenolic product was quantitatively determined by the calibration area normalization method content. Expressed in terms of mass fraction

4 Reagents and materials

Acetone or absolute ethanol. analytical grade. 4.2 phenol. chromatography pure. 4.3 O-cresol. Chromatography pure. 4.4 cresol. chromatographic purity. 4.5 p-cresol. Chromatographic purity. 4.6 2,6-Xylenol. Chromatographic purity. 4.7 2,3-Xylenol. Chromatographic purity. 4.8 2,4-Xylenol. Chromatographic purity. 4.9 2,5-Xylenol. Chromatographic purity. 4.10 3,4-Xylenol. Chromatographic purity. 4.11 3,5-xylenol. Chromatographic purity. 4.12 2,4,5 - tricresol. Chromatographic purity. 4.13 ethyl phenol. chromatography pure. 4.14 p-ethyl phenol. chromatography pure. 4.15 Hydrogen. Purity greater than 99.99% when used as a carrier gas; Purity greater than 99.9% when used as a gas. 4.16 Nitrogen. Purity greater than 99.99%. 4.17 Helium. Purity greater than 99.99%. 4.18 Purify the air.

5 instruments

5.1 Gas Chromatograph. equipped with hydrogen flame ionization detector, FID detection limit ≤ 5 × 10-10g/S (benzene or n-hexadecane). ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 2601-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 2601-2008_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 2601-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 2601-2008_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 2601-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 2601-2008 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.