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GB/T 23974-2009: Determination of the content of ortho-phenylphenol in dye products
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 23974-2009 | English | 229 |
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Determination of the content of ortho-phenylphenol in dye products
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GB/T 23974-2009
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Basic data | Standard ID | GB/T 23974-2009 (GB/T23974-2009) | | Description (Translated English) | Determination of the content of ortho-phenylphenol in dye products | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G55 | | Classification of International Standard | 71.100.01; 87.060.10 | | Word Count Estimation | 10,119 | | Date of Issue | 2009-06-02 | | Date of Implementation | 2010-02-01 | | Quoted Standard | GB/T 6682-2008; GB/T 8170-2008 | | Regulation (derived from) | National Standard Approval Announcement 2009 No.8 (Total No.148) | | 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 method for determination of dye products of o-phenylphenol. This standard applies to the use of gas chromatography-mass spectrometry (GC-MS) of commercial dyes, dye products, determination stupid phenol intermediates and dyes in textile dyeing and finishing auxiliaries neighborhood. | GB/T 23974-2009: Determination of the content of ortho-phenylphenol in dye products---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 content of ortho-phenylphenol in dye products
ICS 71.100.01; 87.060.10
G55
National Standards of People's Republic of China
Determination phenylphenol dye products o
Posted 2009-06-02
2010-02-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
Appendix A of this standard is a normative appendix, Appendix B is an informative annex.
The standard proposed by China Petroleum and Chemical Industry Association.
This standard by the National Standardization Technical Committee Dye (SAC/TC134) centralized.
This standard was drafted. Shenyang Chemical Research Institute, the National Quality Supervision and Inspection Center dye.
The main drafters of this standard. Ji-ho, Shen Jiong day.
Determination phenylphenol dye products o
Warning --- personnel should use this standard regular laboratory work experience. This standard does not point out all possible security asked
question. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.
1 Scope
This standard specifies the method for determination of dye products of o-phenylphenol.
This standard applies to gas chromatography - mass spectrometry (GC-MS) of commercial dyes, dye products, dye intermediates and textile dyeing and finishing auxiliaries
Determination of o-phenylphenol.
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 6682-2008 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD)
GB/T 8170-2008 revised value represents about rules and limit values \u200b\u200band judgment
Principle 3
Samples were extracted with hexane extraction, after the extract volume by gas chromatography - mass selective detector (GC-MSD) was subjected to extraction
Determination of characteristic ions external standard.
4 Determination
4.1 General provisions
Unless otherwise specified, use only recognized as analytical reagents and GB/T 6682-2008 specified in the third grade water. Test results judgment
Given in GB/T 8170-2008 4.3.3 Rounding the value comparison method.
4.2 Reagents and materials
a) n-hexane;
b) o-phenylphenol standard. Purity ≥98% (mass fraction);
c) standard stock solution. weigh the amount of o-phenylphenol standards, with n-hexane dissolved and formulated to about 10mg/mL standard stock
Solution;
d) standard solution. A stock solution required an appropriate concentration of the standard working solution with n-hexane diluted standards.
NOTE. The standard stock solution was sealed and stored at 0 ℃ ~ 4 ℃ refrigerator, valid for 2 years; standard working solution was sealed and stored at 0 ℃ ~ 4 ℃ refrigerator, there
Valid for six months.
4.3 Instrument
a) Gas chromatograph. with a mass selective detector (MSD);
b) ultrasonic generator. Operating frequency 40kHz;
c) micro-syringe. 10μL;
d) extractor. made of hard glass tube, with ground joint and stopper, 50mL;
e) 0.45μm PTFE membrane filter head;
f) grinding mouth stoppered centrifuge tube. 10mL;
g) Centrifuge. 4000r/min.
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