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GB/T 34715-2017 English PDF

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GB/T 34715-2017: Thermoplastic elastomer -- Determination of phthalates -- Gas chromatography-mass spectrometry
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PDF similar to GB/T 34715-2017


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Basic data

Standard ID GB/T 34715-2017 (GB/T34715-2017)
Description (Translated English) Thermoplastic elastomer -- Determination of phthalates -- Gas chromatography-mass spectrometry
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G40
Classification of International Standard 83.060
Word Count Estimation 10,123
Date of Issue 2017-11-01
Date of Implementation 2018-05-01
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

GB/T 34715-2017: Thermoplastic elastomer -- Determination of phthalates -- Gas chromatography-mass spectrometry


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Thermoplastic elastomer-Determination of phthalates-Gas chromatography-mass spectrometry ICS 83.060 G40 National Standards of People's Republic of China Thermoplastics - Determination of phthalates Gas chromatography - mass spectrometry Posted.2017-11-01 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the China Petroleum and Chemical Industry Federation. This standard by the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35) centralized. This standard was drafted unit. Zhejiang Sanbo Polymer Co., Ltd. Ningbo Exit Inspection and Quarantine of People's Republic of China, Plastic Technology Co., Ltd., Cixi City Hill now Polymer Plastic Co., Ltd., Shengzhou Product Quality Supervision and Inspection, Shenzhen Ming-wing technology have Limited company. The main drafters of this standard. Zheng Lin, Zhou Zanbin, Feng Zhen, Gao Jia Men, Ge Jun, Xu Jiaming, Deng Qinglong, Zhou Xie Dong, Cen Jiangda, Wu Xiaohua. Thermoplastics - Determination of phthalates Gas chromatography - mass spectrometry Warning --- personnel using this standard should have formal laboratory work experience, this standard does not indicate all possible safety issues question. It is the user's responsibility to take appropriate safety and health measures and to ensure compliance with the requirements of the relevant state laws and regulations.

1 Scope

This standard specifies the thermoplastic elastomer material DBP, BBP, DEHP, DNOP, DINP and DIDP total of six phthalates Ester plasticizers (see Appendix A for specific names) by gas chromatography-mass spectrometry. This standard applies to thermoplastic elastomer materials.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 6682 analytical laboratory water specifications and test methods GB/T 8170 rounded repair rules and limit values of the representation and judgment

3 principle

Using n-hexane as the extractant, the sample was sonicated and purified by gas chromatography-mass spectrometry (GC-MS) Analysis, internal standard method.

4 Reagents or materials

Unless otherwise specified, only analytical grade reagents and secondary water according to GB/T 6682 are used in the analysis. 4.1 n-hexane. Chromatographic purity. 4.2 Ethyl acetate n-hexane (8 2, volume ratio). 4.3 Phthalate. Purity not less than 97%, see Appendix A. 4.4 Internal standard. Diamyl phthalate (DAP, CAS Registry No. 131-18-0) with a purity of not less than 97%. 4.5 Standard stock solution Accurately weigh the appropriate amount of phthalate (4.3), respectively, with n-hexane (4.1) formulated DBP, BBP, DEHP, DNOP concentration of 0.1mg/mL, DINP, DIDP concentration of 0.5mg/mL mixed standard stock solution. Note. The standard stock solution should be stored in a refrigerator at 0 ℃ ~ 4 ℃, valid for 3 months. 4.6 Internal standard stock solution Accurately weigh an appropriate amount of internal standard (4.4) and use n-hexane to prepare an internal standard stock of DAP at a concentration of 0.25 mg/mL Solution. Note. Internal standard stock solution should be stored at 0 ℃ ~ 4 ℃ refrigerator, valid for 3 months. 4.7 standard working solution Take 0.2mL ~ 5mL standard stock solution (4.5) to 50mL volumetric flask, were added 0.5mL of Internal standard stock solution (4.6) Prepare a set of standard working solutions (DBP, BBP, DEHP, DNOP) with n-hexane (4.1) At least 5 standard working solutions with concentration of 0.4μg/mL ~ 10μg/mL, DINP, DIDP concentration of 2μg/mL ~ 50μg/mL

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