GB/T 24208-2009 English PDF

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GB/T 24208-2009: Determination of the naphthalene content of washing oil
Status: Valid

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GB/T 24208-2009	139	Add to Cart	3 days	Determination of the naphthalene content of washing oil	Valid

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Basic data

Standard ID: GB/T 24208-2009 (GB/T24208-2009)
Description (Translated English): Determination of the naphthalene content of washing oil
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G18
Classification of International Standard: 71.080.90
Word Count Estimation: 6,641
Date of Issue: 2009-07-08
Date of Implementation: 2010-04-01
Quoted Standard: GB/T 1999
Regulation (derived from): National Standard Approval Announcement 2009 No.9 (Total No.149)
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 wash oil naphthalene content measurement principle, instrument, sampling, analysis step, calculated results, precision. This standard applies to the determination of oil fractionation naphthalene content of the resulting high temperature coal tar wash.

GB/T 24208-2009: Determination of the naphthalene content of washing oil

---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.
Determination of the naphthalene content of washing oil ICS 71.080.90 G18 National Standards of People's Republic of China Determination of Oil Content of naphthalene wash Posted 2009-07-08 2010-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by China Iron and Steel Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee. This standard was drafted. Benxi Iron and Steel (Group) Co., Ltd., Metallurgical Industry Information Standards Institute. The main drafters of this standard. Li Jingyi, Sun Haiying, Qinbao Wu, Xu Dian, Wu Jun, Sun Wei. Determination of Oil Content of naphthalene wash Warning. Use of this standard shall have a person experiences regular laboratory work. This standard does not point out all possible security issues. Users are responsible for the use of appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.

1 Scope

This standard specifies the content of naphthalene wash oil measurement principle, equipment, sampling, analysis step, the results of the calculation precision. This standard applies to the determination of oil fractionation naphthalene content of the resulting high temperature coal tar wash.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 1999 coking oil products sampling methods Principle 3 In the column, wash oil, naphthalene and separated from other components, a single point calibration for quantitative determination of naphthalene content.

4 Reagents and materials

4.1 fixative. Api Song L. 4.2 Vector. 6201 red diatomite vector, 0.20mm ~ 0.15mm. 4.3 Benzene. AR. 4.4 Xylene. AR. 4.5 naphthalene. AR. 4.6 anhydrous sodium sulfate or anhydrous calcium sulfate. AR. 4.7 Hydrogen. 99.9% purity. 4.8 purify air.

5 Instruments

5.1 Gas chromatograph. equipped with a flame ionization detector, the detection limit of not more than 1 × 10-11g/s (n-hexadecane). 5.2 Chromatography Workstation or data processor. 5.3 Column. stainless steel column, length 2m, internal diameter of 4mm. 5.4 micro syringe. 10μL, 1μL. 5.5 Analytical balance. dividing the value of 0.1mg. 5.6 Test sieves. Aperture 0.20mm, 0.15mm. 5.7 vacuum. a vacuum of not less than 6 × 10-2Pa. 5.8 volumetric flask. capacity 50mL. 5.9 volumetric flask. capacity 10mL. 5.10 beaker. Capacity 250mL. 5.11 pipette. Volume 1mL, sub-scale value 0.1mL. ......

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