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Determination of diethylamino hydroxybenzoyl hexyl benzoate as sunscreen agent in cosmetics -- High performance liquid chromatography
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Basic data
| Standard ID | GB/T 30933-2014 (GB/T30933-2014) |
| Description (Translated English) | Determination of diethylamino hydroxybenzoyl hexyl benzoate as sunscreen agent in cosmetics -- High performance liquid chromatography |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | Y42 |
| Classification of International Standard | 71.100.70 |
| Word Count Estimation | 8,834 |
| Date of Issue | 7/8/2014 |
| Date of Implementation | 11/1/2014 |
| Quoted Standard | GB/T 6682 |
| Regulation (derived from) | 2014 National Standards Bulletin No. 18 |
| 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 a high performance liquid chromatographic method cosmetics sunscreens diethylamino hydroxybenzoyl hexyl benzoate of. This standard applies to creams, milk, liquid, measuring wax Cosmetics sunscreen diethylamino hydroxybenzoyl hexyl |
GB/T 30933-2014: Determination of diethylamino hydroxybenzoyl hexyl benzoate as sunscreen agent in cosmetics -- High performance liquid chromatography
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Determination of diethylamino hydroxybenzoyl hexyl benzoate as sunscreen agent in cosmetics. High performance liquid chromatography
ICS 71.100.70
Y42
National Standards of People's Republic of China
Cosmetics sunscreens
Determination diethylamino hydroxybenzoyl hexyl benzoate of
High Performance Liquid Chromatography
Issued on. 2014-07-08
2014-11-01 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 National Light Industry Council.
This standard by the National Standardization Technical Committee of Fragrance Flavor and Cosmetic (SAC/TC257) centralized.
This standard was drafted. Shanghai Institute of Technical Supervision quality inspection.
Drafters of this standard. Duan Feng, Yu Chenghua, Lu Zhiyun, Yin Jie, Zhu Wei, Ning Xiaojun.
Cosmetics sunscreens
Determination diethylamino hydroxybenzoyl hexyl benzoate of
High Performance Liquid Chromatography
1 Scope
This standard specifies a high performance liquid chromatographic method cosmetics sunscreens diethylamino hydroxybenzoyl hexyl benzoate of.
This standard applies to creams, milk, liquid, measuring wax Cosmetics sunscreen diethylamino hydroxybenzoyl hexyl benzoate of.
The standard for the detection limit diethylamino hydroxybenzoyl hexyl benzoate of 0.015%, the limit of quantification of 0.05%.
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.
Laboratory use specifications and test methods GB/T 6682 Analysis
Principle 3
Sample methanol or tetrahydrofuran as solvent, ultrasonic extraction, centrifugation, 0.45μm organic membrane filter, the solution was injected with a diode array
Column detector (DAD) of high performance liquid chromatography detection, external standard.
4 Reagents and materials
Unless otherwise specified, the reagents were of analytical grade water as a water GB/T 6682 regulations.
4.1 Methanol. chromatographically pure.
4.2 tetrahydrofuran. chromatography.
Aqueous methanol 4.3. methanol-water = 8020 (by volume).
4.4 diethylamino hydroxybenzoyl hexyl benzoate standards. purity of not less than 99.0%, CAS number, molecular formula, molecular weight and knot
Constructions See Appendix A.
4.5 diethylamino hydroxybenzoyl hexyl benzoate standard stock solution. Weigh accurately diethylamino hydroxybenzoyl hexyl benzoate standards
0.1g, accurate to 0.0001g, in 100mL volumetric flask, and dissolved in methanol to volume, that was diethylamino hydroxyl benzoyl
Acid hexyl ester solution concentration of 1000mg/L of standard stock solution. Preserve refrigerator.
4.6 standard solution. methanol solution (4.3) The above standard stock solution (4.5) respectively dubbed a series of concentration 0.5mg/L,
5mg/L, 10mg/L, 20mg/L, 50mg/L, 100mg/L of standard working solution, stored in the refrigerator can be used for one week.
5 Instruments
5.1 liquid chromatograph. equipped with a diode array detector.
5.2 Analytical balance. accuracy of 0.1mg.
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