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SN/T 1251-2003 PDF English

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SN/T 1251-2003: Test method of furfural alcohol purity. Gas chromatography
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SN/T 1251-2003English279 Add to Cart 3 days [Need to translate] Test method of furfural alcohol purity. Gas chromatography

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Basic data

Standard ID SN/T 1251-2003 (SN/T1251-2003)
Description (Translated English) Test method of furfural alcohol purity. Gas chromatography
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard B72
Classification of International Standard 71.080.60
Word Count Estimation 7,769
Date of Issue 2003-05-28
Date of Implementation 2003-12-01
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China
Summary This standard applies to content greater than 96% alcohol test.

SN/T 1251-2003: Test method of furfural alcohol purity. Gas chromatography


---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.
Test method of furfural alcohol purity.Gas chromatography People's Republic of China Entry-Exit Inspection and Quarantine Industry Standard Method for testing industrial sterol content Gas chromatography Released on.2003-05-28 Implementation of.2003-12-01 People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued

Foreword

Appendix A and Appendix B of this standard are informative annexes. This standard is proposed and managed by the National Certification and Accreditation Administration. This standard was drafted by the Shanxi Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China. The main drafters of this standard. Song Huan, Chen Yong, Yang Xiaobing, Pan Yali, Qu Jun. This standard is the industry standard for inspection and quarantine issued for the first time. Method for testing industrial sterol content Gas chromatography

1 Scope

This standard specifies the sampling, sample preparation and inspection methods for sterol content. This standard applies to tests with a content greater than 96% sterol.

2 Normative references

The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard. GB/T 6680-1996 General rules for sampling of liquid chemical products GB/T 9722-1988 General rules for gas chromatography of chemical reagents GB/T 14022.1-1992 industrial sterol

3 sampling and sample preparation

3.1 Sampling method Sampling is carried out in accordance with the provisions of GB/T 6680-1996. 3.2 Sample preparation method Sample preparation is carried out in accordance with the provisions of GB/T 6680-1996. 3.3 Sample storage Sample storage is carried out in accordance with the provisions of GB/T 14022.1-1992.

4 Inspection methods

4.1 Moisture determination See Appendix A for moisture determination. 4.2 Determination of sterol content 4.2.1 Principle of the method Gas chromatograph, direct injection, separation by capillary column, detection by hydrogen flame ionization detector, normalized by area Quantity calculation. 4.2.2 Instrumentation a) Gas chromatograph. equipped with hydrogen flame ionization detector and data processor, sensitivity and stability in line with GB/T 9722-1988 Provisions; b) Microsampler. 4.2.3 Test procedure 4.2.3.1 Chromatographic conditions a) Column. TPA modified polyethanol capillary column (25m × 0.33mm × 0.25μm); b) column temperature. 110 ° C; c) inlet temperature..200 ° C; ...

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