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Cleaning products -- Determination of triclocarban
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Basic data
| Standard ID | GB/T 34856-2017 (GB/T34856-2017) |
| Description (Translated English) | Cleaning products -- Determination of triclocarban |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | Y43 |
| Classification of International Standard | 71.100.40 |
| Word Count Estimation | 5,519 |
| Date of Issue | 2017-11-01 |
| Date of Implementation | 2018-05-01 |
| Regulation (derived from) | National Standard Announcement 2017 No. 29 |
| 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 34856-2017: Cleaning products -- Determination of triclocarban
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Cleaning products-Determination of triclocarban
ICS 71.100.40
Y43
National Standards of People's Republic of China
Detergent triclocarban content determination
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 Light Industry Federation.
This standard by the National Surfactants and Detergents Standardization Technical Committee (SAC/TC272) centralized.
This standard was drafted unit. China Daily Chemical Industry Institute [National Cleaning Products Quality Supervision and Inspection Center (Taiyuan)], Beijing Luo Wa
Co., Ltd., Ningbo Xiang Shen Biochemical Co., Ltd., Xi'an Kai Mi Co., Ltd., Shenzhen Yan Qian Technology Co., Ltd., Suzhou Exit Inspection
Inspection and Quarantine Bureau.
The main drafters of this standard. Yuwen Jing, Wu Xin, Zhao Jianli, Chen Leiguang, Chen Shaobo, Yao Chen, Cai Jianbo.
Detergent triclocarban content determination
1 Scope
This standard specifies the determination of triclocarban detergent content of high performance liquid chromatography method.
This standard applies to the determination of triclocarban in soap, hand soap, body wash and other cleaning products.
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
3 method principle
The sample was extracted by methanol, separated by reversed-phase high-performance liquid chromatography, detected by UV detector. The retention time was qualitative and the standard curve
Standard method of quantitative.
4 Reagents and materials
Unless otherwise specified, only reagents that are identified as analytically pure and grade 3 water that meets GB/T 6682 regulations are used in the analysis.
4.1 Methanol.
4.2 Triclocarban (CAS No. 101-20-2, formula C13H9Cl3N2O), purity greater than or equal to 98%.
4.3 triclocarban reserve solution, accurately weighed 100mg triclocarban (4.2), dissolved in methanol and the volume to 100mL, formulated at a concentration
1000mg/L stock solution, 4 ℃ refrigerator preservation, according to the need to prepare the appropriate concentration, the production of standard curve.
4.4 needle filter, organic, 0.45μm.
5 instruments and equipment
5.1 HPLC, with a diode array or UV detector.
5.2 Analysis of the balance, a sense of the amount of 0.1mg.
5.3 ultrasonic cleaning instrument.
5.4 Centrifuge, speed 4000r/min.
6 assay
6.1 Sample Preparation
Weigh 0.5g ~ 1.0g sample (weigh to 0.001g), placed in 25mL volumetric flask, add 15mL methanol, ultrasonic extraction
25min, let cool with methanol volume to 25mL, mix well, transfer to the centrifuge tube, using speed of about 4000r/min centrifugation 5min, the supernatant
Filter with a needle filter (4.4) and the resulting filtrate is subjected to high performance liquid chromatography.
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