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Refined pyridine -- Determination of pyridine content -- Gas chromatographic method
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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 | 6,688 |
| 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
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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.
...
