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GB/T 23975-2009: Determination of the quantity of tetrachlorophthalic anhydride in dye and pigment products
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 23975-2009 | English | 189 |
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Determination of the quantity of tetrachlorophthalic anhydride in dye and pigment products
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GB/T 23975-2009
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Basic data | Standard ID | GB/T 23975-2009 (GB/T23975-2009) | | Description (Translated English) | Determination of the quantity of tetrachlorophthalic anhydride in dye and pigment products | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G55 | | Classification of International Standard | 71.100.01; 87.060.10 | | Word Count Estimation | 8,894 | | 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 the determination of dye and pigment products tetrachloro phthalic anhydride. This standard applies to commercial dyes and pigments tetrachloro phthalic anhydride was measured. | GB/T 23975-2009: Determination of the quantity of tetrachlorophthalic anhydride in dye and pigment products
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Determination of the quantity of tetrachlorophthalic anhydride in dye and pigment products
ICS 71.100.01; 87.060.10
G55
National Standards of People's Republic of China
Determination of dyes and pigments in the product tetrachlorophthalic anhydride
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
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 main drafters of this standard. Li Chunmei.
Determination of dyes and pigments in the product tetrachlorophthalic anhydride
Warning --- personnel should use this standard laboratory experience. This standard does not point out all of the safety issues. use
Those who 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 and pigment products tetrachlorophthalic anhydride.
This standard applies to commercial dyes and pigments tetrachloride Determination of phthalic anhydride.
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
3 Determination
3.1 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.
3.2 Principle
Dyes and pigments samples were dissolved in methanol to make tetrachlorophthalic anhydride and sample extraction and separation of dyes and pigments, and then centrifuged stratified by LC external standard
Determination of the sample tetrachlorophthalic anhydride content.
3.3 instruments and equipment
a) liquid chromatograph. infusion pump - flow range 0.1mL/min ~ 5.0mL/min, the flow rate in this range stability of ± 1%
Detector - multi-wavelength UV spectrophotometric detector or equivalent in performance to a spectral detector;
b) Column. length 150mm, an inner diameter of 6mm stainless steel column, stationary phase C18ODS5μm;
c) chromatography workstation or integrator;
d) centrifuge;
e) 10mL centrifuge tube;
f) 50mL volumetric flask;
g) 5.0mL pipette;
h) syringe. 50μL ~ 100μL;
i) Loop. 10μL;
j) analytical balance. a sense of the amount of 0.01mg;
k) ultrasonic generator.
3.4 Reagents and solutions
a) Methanol. HPLC grade;
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