SN/T 2105: Evolution and historical versions
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| SN/T 2105-2024 | English | RFQ |
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(Determination of 8 water-soluble pigments such as lemon yellow in imported and exported cosmetics)
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SN/T 2105-2024
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| SN/T 2105-2008 | English | 479 |
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Determination of tartrazine and sunset yellow water-solubility colour in cosmetics
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SN/T 2105-2008
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PDF similar to SN/T 2105-2024
Standard similar to SN/T 2105-2024 QB/T 1975 QB/T 1862 SN/T 2106 SN/T 2108 Basic data | Standard ID | SN/T 2105-2024 (SN/T2105-2024) | | Description (Translated English) | (Determination of 8 water-soluble pigments such as lemon yellow in imported and exported cosmetics) | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | Y42 | | Classification of International Standard | 71.100.70 | | Date of Issue | 2024-12-16 | | Date of Implementation | 2025-06-01 | | Issuing agency(ies) | General Administration of Customs | SN/T 2105-2008: Determination of tartrazine and sunset yellow water-solubility colour in cosmetics
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Determination of tartrazine
Exit inspection and quarantine industry standard book People's Republic of China
Cosmetics lemon and orange water-soluble dye
Measurement method
Posted 2008-07-17
2009-02-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
The Standard Appendix A, Appendix B, Appendix C are informative appendices.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Chinese Academy of Inspection and Quarantine.
The main drafters of this standard. Hao Nan, birch, Ding Yan, Chen Wei, Chen, Ma Qiang.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Cosmetics lemon and orange water-soluble dye
Measurement method
1 Scope
This standard specifies the cosmetics Eight water-soluble dye cherry red, Food Red 17, lemon yellow, orange, red amaranth, carmine, indigo, light
Determination of liquid chromatography blue.
This standard applies to the determination of skin care cosmetics category and eye modified water-soluble dye in.
Principle 2
Extracted with water soluble pigments in cosmetics, and the extract after centrifugation, was measured by high performance liquid chromatography. According to its reservation
Qualitative time, external standard. Liquid chromatography - mass spectrometry confirmed.
3 Reagents and materials
Unless otherwise indicated, the reagents used were of analytical grade and water as secondary deionized or distilled water.
3.1 Methanol. HPLC fractions.
3.2 ammonium acetate.
Cherry Red 3.3 Standard substance. purity ≥97%.
Food Red 17 3.4 Standard substance. purity ≥97%.
3.5 Lemon standard substance. purity ≥97%.
3.6 orange standard substance. purity ≥97%.
3.7 amaranth standard substance. purity ≥97%.
Carmine 3.8 Standard substance. purity ≥97%.
3.9 bright blue standard substance. purity ≥97%.
3.10 indigo standard substance. purity ≥97%.
3.11 water-soluble pigments standard stock solution. accurately weigh the amount of water-soluble pigments (accurate to 0.1mg), formulated as a water concentration are
1000μg/mL of the standard stock solution. Diluted to concentrations applicable standard working solution with water as needed. Preserve refrigerator, effective
1 month.
3.12 0.45μm aqueous membrane.
4 instruments and equipment
4.1 High performance liquid chromatograph. equipped with a diode array detector.
4.2 micro-injector. 10μL.
4.3 ultrasonic cleaner.
Centrifuge 4.4. more than 5000r/min.
4.5 solvent filter.
5 measuring step
5.1 Sample Processing
5.1.1 liquid sample
Weigh cosmetic samples from about 1g (accurate to 0.001g), placed in 50mL stoppered Erlenmeyer flask, 15mL water, ultrasonic cleaning
Vessel ultrasonic extraction 20min, extract transferred to 25mL volumetric flask, dilute to the mark with water, mix, through a membrane filter (3.12) was filtered, the resulting filter
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