GB/T 24199-2009Refined pyridine - Determination of pyridine content - Gas chromatographic method (English PDF)
纯吡啶中吡啶含量的气相色谱测定方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
July 8, 2009
Implementation date
April 1, 2010
Scope
GB/T 24199-2009 is the English-translated version of 纯吡啶中吡啶含量的气相色谱测定方法.
GB/T 24199-2009 is the Chinese standard "Refined pyridine - Determination of pyridine content - Gas chromatographic method".
Its scope clause reads: 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. Its clauses include reagents and materials; instruments.
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Document preview — GB/T 24199-2009
National Standard of the People's Republic of China
- ICS
- 71.080.15
- Classification
- G 18
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 5 Reagents and materials
- 6 Instruments
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 and 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, u00d80.25mm × 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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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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