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GB/T 27810-2011 English PDF

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GB/T 27810-2011: Binders for paints and varnishes -- Gel permeation chromatography (GPC) -- Tetrahydrofuran (THF) as eluent
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 27810-2011	English	494	Add to Cart	4 days [Need to translate]	Binders for paints and varnishes -- Gel permeation chromatography (GPC) -- Tetrahydrofuran (THF) as eluent	Valid	GB/T 27810-2011

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Basic data

Standard ID	GB/T 27810-2011 (GB/T27810-2011)
Description (Translated English)	Binders for paints and varnishes -- Gel permeation chromatography (GPC) -- Tetrahydrofuran (THF) as eluent
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G50
Classification of International Standard	87.040
Word Count Estimation	25,276
Date of Issue	2011-12-30
Date of Implementation	2012-06-01
Quoted Standard	ISO 1513; ISO 5725-1; ISO 15528
Adopted Standard	ISO 13885-1-2008, IDT
Regulation (derived from)	Announcement of Newly Approved National Standards No. 23 of 2011
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 gel permeation chromatography (GPC) measurement was dissolved in THF (tetrahydrofuran) in the molecular weight distribution of the polymer, the number average molecular weight Mn and the weight average molecular weight Mw approach. This standard does not apply to the conditions prescribed by GPC analysis of the polymer Mw value is greater than one million samples.

GB/T 27810-2011: Binders for paints and varnishes -- Gel permeation chromatography (GPC) -- Tetrahydrofuran (THF) as eluent

---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.
Binders for paints and varnishes. Gel permeation chromatography (GPC). Tetrahydrofuran (THF) as eluent ICS 87.040 G50 National Standards of People's Republic of China Paints and varnishes - Gel permeation chromatography (GPC) Tetrahydrofuran as eluent Bindersforpaintsandvarnishes-Gelpermeationchromatography (GPC) - Tetrahydrofuran (THF) aseluent (ISO 13885-1.2008, Bindersforpaintsandvarnishes-Gelpermeation chromatography (GPC) -Part 1. Tetrahydrofuran (THF) aseluent, IDT) Issued on. 2011-12-30 2012-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Principle 2 5 Apparatus 2 5.1 General 2 Supply 5.2 eluent 2 5.3 Pump 2 Injection system 5.4 2 5.5 Column 3 5.6 column temperature control 4 5.7 detector 4 5.8 Data Collection 4 6 eluent 4 Instrument calibration 7 5 7.1 General 5 7.2 Calibration with standard material specifications 5 7.3 Calibration injectable solutions prepared with 5 7.4 Calibration operating conditions 6 7.5 retention volume/time measurement 6 7.6 Draw calibration curve 6 8 sampling 6 9 7 Test preparation 9.1 7 Preparation of injectable solutions of Prepare 9.2 Instrument 7 10 Analysis of Condition 7 11 data acquisition and analysis 8 11.1 General 8 11.2 from the raw data obtained in the chromatogram is calculated net 8 Calculate averages 11.3 8 Calculation 11.4 distribution curve 9 12 Precision 10 12.1 General 10 12.2 Repeatability 10 12.3 Reproducibility 10 13 11 Test Report 13.1 General 11 Basic data 11 13.2 Equipment Special sample data 12 13.3 Appendix A (normative) of different sizes in terms of experimental parameters Column 13 Annex B (informative) Example 14 polymer material specification standard Annex C (informative) further clarification 15 References 19

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard uses the translation method identical with the international standard ISO 13885-1.2008 "Paints and varnishes - Gel permeation chromatography Method (GPC) - Part 1. Tetrahydrofuran as elution agent. " Correspondence between the consistency of the standards of international documents and normative references of the following documents. --- GB/T 3186-2006 Paints, varnishes and raw materials for paints and varnishes - Sampling (ISO 15528.2000, IDT) --- GB/T 6379.1-2004 measurement methods and results of Accuracy (trueness and precision) - Part 1. General and given Yi (ISO 5725-1.1994, IDT) --- GB/T 20777-2006 Paints and varnishes examination and preparation of samples (ISO 1513.1992, IDT) The editorial changes made the following standard. --- Change the standard name. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee paint pigment (SAC/TC5) centralized. This standard was drafted. CNOOC Changzhou coating Chemical Research Institute, Shenzhen Hirota Decoration Group Co., Ltd. The main drafters of this standard. Huang Ning, Cui law, groups such as Hu. Paints and varnishes - Gel permeation chromatography (GPC) Tetrahydrofuran as eluent Warning --- This standard may involve hazardous materials, operations and equipment. This standard does not purport to address associated with its use (if any If) all security problems, so user of this standard has the responsibility to develop appropriate safety and health practices and to ensure compliance with any national legislation Provisions. Specific hazard statements, see Chapter 6.

1 Scope

This standard specifies 1) measured was dissolved in THF (tetrahydrofuran) polymer molecular weight distribution by gel permeation chromatography (GPC), The number average molecular weight Mn and the weight average molecular weight Mw approach. That the use of this method can obtain good reproducibility, this method can not be specific for certain polymer interaction occurs, for example, Adsorption between the sample/eluent/column system occurred. This method is not an absolute measurement method should be calibrated using commercially available polystyrene standards unbranched material, and this standard Quality has been measured as obtaining absolute molecular weight. Therefore, in addition to polystyrene, the measurement results of the polymer sample is used only between the same type of sample group Comparison. The conditions specified in this standard does not apply to a value greater than Mw by GPC analysis of polymer sample 106 (see Appendix C). This standard without correction methods, such as the elimination of peak broadening. If you want to get the absolute molecular weight value, we need to use an absolute measuring method, for example, Determination of Mn Mw measured by a light scattering method or membrane permeation method.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Check with ISO 1513 Paints and varnishes prepared sample (Paintsandvarnishes-Examinationandpreparation ofsamplesfortesting) ISO 5725-1 measurement methods and results of Accuracy (trueness and precision) - Part 1. General principles and definitions (Accuracy (Truenessandprecision) ofmeasurementmethodsandresults-Part 1. Generalprinciplesanddefini- tions) ISO 15528 Paints, varnishes and raw materials for paints and varnishes - Sampling (Paints, varnishesandrawmaterialsfor paintsandvarnishes-Sampling) 1), also known as Size Exclusion Chromatography (SEC).

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Gel permeation chromatography gelpermeationchromatography Completely dissolved in the eluent molecules is a porous polymer sample and classifying a column filled, depending on the size of the molecule (or, more accurately

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