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GB/T 31414-2015 PDF English

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GB/T 31414-2015: Water based coatings -- Determination of surfactant -- Alkylphenol polyethoxylates
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Basic data

Standard ID GB/T 31414-2015 (GB/T31414-2015)
Description (Translated English) Water based coatings -- Determination of surfactant -- Alkylphenol polyethoxylates
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G50
Classification of International Standard 87.040
Word Count Estimation 9,929
Date of Issue 2015-05-15
Date of Implementation 2015-10-01
Quoted Standard GB/T 3186; GB/T 6682-2008
Regulation (derived from) National Standard Announcement 2015 No. 15
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 determination waterborne coatings alkylphenol ether content by HPLC. This Standard applies to the determination of waterborne coatings alkyl phenol ethoxylates and alkylphenols. The aqueous coating material can also be performed with reference to the present method.

GB/T 31414-2015: Water based coatings -- Determination of surfactant -- Alkylphenol polyethoxylates




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Water based coatings. Determination of surfactant. Alkylphenol polyethoxylates ICS 87.040 G50 National Standards of People's Republic of China Determination of water-based paint surface active agent Alkyl phenol ethoxylates Issued on. 2015-05-15 2015-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. 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 Paint Chemical Research Institute Co., Ltd., BASF (China) Co., Dow Chemical (China) Investment Co., Ltd., Nippon Paint (China) Co., Ltd., the Chinese Chemical Society of Professional Committee COATING aqueous coating sub-professional committee, Shenzhen Hirota Decoration Group Co., Ltd. The main drafters of this standard. Runner-up macro, Wang Yiheng South Xuan, Tang Lei, Zhang Zhi source, Guo Xiaoyan. Determination of water-based paint surface active agent Alkyl phenol ethoxylates

1 Scope

This standard specifies the determination waterborne coatings alkylphenol ether content by HPLC. This standard applies to the determination of waterborne coatings alkyl phenol ethoxylates and alkylphenol. The aqueous coating raw materials also can refer to this method carried out.

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. GB/T 3186 Paints, varnishes and raw materials for paints and varnishes - Sampling Laboratory use specifications and test methods GB/T 6682-2008 Analysis

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Alkylphenol (AP) alkylphenols The molecular structure of the alkylphenol R-C6H4-OH. This type of common substances are octyl phenol (C8H17-C6H4-OH, abbreviated OP) and azelaic Phenol (C9H19-C6H4-OH, referred to as NP). 3.2 Alkyl phenol ethoxylates (APEO) alkylphenolpolyethoxylates The molecular structure of alkylphenol ether is R-C6H4- (OC2H4) nOH; n = 2 ~ 16,17 ~ 34,35 ~ 45. The substances Common are octyl phenol ethoxylates [C8H17-C6H4- (OC2H4) nOH, referred OPnEO] and nonylphenol ether [C9H19- C6H4- (OC2H4) nOH, referred NPnEO]. NOTE. alkyl phenol ethoxylates as waterborne coatings surfactant. Alkylphenols are degradation products of alkylphenol ethoxylates. Principle 4 Methanol and water as the extraction solvent, centrifugal separation and Soxhlet extraction method of combining the extracted sample APEO, the extract was concentrated After the treatment, the use of high performance liquid chromatography or precision to meet current and effective methods (such as. liquid chromatography - mass spectrometry, liquid chromatography - tandem mass spectrometry Etc.) were detected. The average adduct number ethoxylates APEO determine and reversed-phase liquid chromatography to determine the APEO using normal phase liquid chromatography Determination of content combining external standard. Note. The extraction of the sample may also be used to select another APEO confirmed a considerable recovery of extraction methods, such as high-speed centrifugation, ultrasonic extraction.

5 Reagents and materials

Unless otherwise specified, this standard reagents used were of analytical grade, water should meet GB/T 6682-2008 a water requirements. ...

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