SN/T 2105-2024 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2105-2024	RFQ	ASK	3 days	(Determination of 8 water-soluble pigments such as lemon yellow in imported and exported cosmetics)	Valid
SN/T 2105-2008	479	Add to Cart	3 days	Determination of tartrazine and sunset yellow water-solubility colour in cosmetics	Obsolete

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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

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
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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