GB/T 24199-2009 English PDF

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GB/T 24199-2009: Refined pyridine -- Determination of pyridine content -- Gas chromatographic method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24199-2009	139	Add to Cart	3 days	Refined pyridine -- Determination of pyridine content -- Gas chromatographic method	Valid

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Basic data

Standard ID: GB/T 24199-2009 (GB/T24199-2009)
Description (Translated English): Refined pyridine -- Determination of pyridine content -- Gas chromatographic method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G18
Classification of International Standard: 71.080.15
Word Count Estimation: 6,631
Date of Issue: 2009-07-08
Date of Implementation: 2010-04-01
Quoted Standard: GB/T 1999; GB/T 8170
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 principles of pure pyridine and pyridine content was measured by gas chromatography, reagents and materials, instrument, specimens and preparation, test procedures, results of calculation and precision. This standard applies from coal tar, Light crude iron pyrithione preparation of liquor, as measured by the distillation of pure pyridine pyridine Determination, residual ammonia.

GB/T 24199-2009: Refined pyridine -- Determination of pyridine content -- Gas chromatographic 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.
Refined pyridine. Determination of pyridine content. Gas chromatographic method ICS 71.080.15 G18 National Standards of People's Republic of China Gas chromatographic method pure pyridine pyridine Content 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. Shanghai Baosteel Chemical Co., Ltd., Metallurgical Industry Information Standards Institute. The main drafters of this standard. Lu Huiping, Tang Zheng, Shi faint, Chen Guomin, Mary Lou Song Hong, Sun Wei. Gas chromatographic method pure pyridine pyridine Content Warning. Use of this standard laboratory personnel should have regular work experience, since it is impossible to make a safe use of all The body specified, the user has the responsibility to use appropriate safety and health practices and to ensure compliance with the relevant national legislation requirements.

1 Scope

This standard specifies the principles of pure pyridine pyridine content determined by gas chromatography, reagents and materials, instruments, and preparation of samples, test Test step, the results of calculation and precision. This standard applies to the coal tar residual ammonia, ammonium sulfate pyridine light crude preparation of liquor, obtained by distillation of pure pyridine pyridine Content Determination. Measuring range. ≥99.0% pure pyridine product.

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 GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment Principle 3 Pure pyridine pyridine and other impurities fractionation with fused silica capillary column, according to the area with a correction factor of normalization Quantitatively calculate pure pyridine pyridine quality scores.

4 samples and preparation

Performed according to GB/T 1999 regulations.

5 Reagents and materials

5.1 toluene, pyridine, 2-picoline (methylpyridine [alpha]), 2,6-lutidine. chromatographically pure. 5.2 Hydrogen. purity greater than 99.9%. 5.3 Nitrogen. purity of greater than 99.9%. 5.4 purify air.

6 Instruments

6.1 Gas chromatograph. with hydrogen flame detector, FID detection limit < 5 × 10-10g/s (benzene or n-hexadecane). 6.2 Chromatography Workstation or a data processor. 6.3 column. PEG-20M capillary column, 0.25mm × 30m × 0.25μm, or be able to achieve the same type of separation required Capillary column. 6.4 Analysis of balance. a sense of the amount of 0.1mg. 6.5 micro syringe. 10μL. 6.6 flask. 6.7 pipette. ......

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