|
US$419.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 2290-2009: Determination of acetylsalicylic acid in cosmetics for import and export
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2290-2009 | English | 419 |
Add to Cart
|
3 days [Need to translate]
|
Determination of acetylsalicylic acid in cosmetics for import and export
| Valid |
SN/T 2290-2009
|
PDF similar to SN/T 2290-2009
Basic data | Standard ID | SN/T 2290-2009 (SN/T2290-2009) | | Description (Translated English) | Determination of acetylsalicylic acid in cosmetics for import and export | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | Y42 | | Classification of International Standard | 71.100.70 | | Word Count Estimation | 16,132 | | Date of Issue | 2009-02-20 | | Date of Implementation | 2009-09-01 | | Regulation (derived from) | National Quality Inspection [2009] No. 67 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the import and export of acetylsalicylic acid in cosmetics by high performance liquid chromatographic method and liquid chromatography mass spectrometry/mass spectrometry confirmatory method. This standard applies to whitening, moisturizing facial uses and other uses of ointments, creams and lotions cosmetics in the determination of acetylsalicylic acid and confirmation. | SN/T 2290-2009: Determination of acetylsalicylic acid in cosmetics for import and export---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 acetylsalicylic acid in cosmetics for import and export
Exit inspection and quarantine industry standard book People's Republic of China
Detection of acetyl salicylic acid in cosmetics Importers
Posted 2009-02-20
2009-09-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
The Standard Appendix A, Appendix B and Appendix C are informative appendices.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Guangdong CIQ.
The main drafters of this standard. Chen Jie, Xi Xinglin, Jiao Hong, Wu Ying, Li Xun?.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Detection of acetyl salicylic acid in cosmetics Importers
1 Scope
This standard specifies the import and export of acetylsalicylic acid in cosmetics by high performance liquid chromatographic method and LC - MS/MS confirmation methods.
This standard applies to the determination and whitening, moisturizing facial and other uses of plaster used, creams and lotions Cosmetics acetyl salicylic acid
Confirmed.
Principle 2
Extracted with methanol cosmetics acetyl salicylic acid, and the extract after centrifugation, was measured by high performance liquid chromatography. External standard
The amount of liquid chromatography - mass spectrometry/mass spectrometry confirmation.
3 Reagents and materials
Unless otherwise indicated, the secondary water is deionized water or redistilled.
3.1 Methanol. HPLC grade.
Ammonium acetate 3.2. Analysis of alcohol.
3.3 ammonium acetate solution (0.02mol/L). Weigh accurately ammonium acetate 1.544g, dissolved in water and dilute to 1L.
3.4 acetylsalicylic acid standard substance. purity greater than or equal to 99%.
3.5 acetylsalicylic acid standard stock solution. accurately weighed amount of acetylsalicylic acid standard substance (accurate to 0.1mg), formulated as concentrated methanol
Degree standard stock solution of 1000mg/L of. Diluted to concentrations applicable standard working solution as needed with methanol.
3.6 acetylsalicylic acid standard solution. draw a certain amount of standard stock solution was diluted to the appropriate concentration of standard working solution with methanol, temporary use
When existing service.
4 instruments and equipment
4.1 High performance liquid chromatograph. equipped with a UV detector.
4.2 Liquid chromatography - mass spectrometry/mass spectrometer.
4.3 Analysis of balance. a sense of the amount of 0.1mg.
4.4 oscillator.
4.5 ultrasonic cleaner.
4.6 cryogenic centrifuge. 10000r/min.
4.7 Polypropylene plastic graduated centrifuge tube. 50mL, stoppered.
4.8 filter. 0.45μm, organic.
5 measuring step
5.1 Sample Processing
Weigh about 1g cosmetic samples (accurate to 0.01g), a 50mL graduated centrifuge tube, and methanol was added to 10mL, in shaker
The oscillation 1min, ultrasonic cleaner ultrasonic extraction 10min, 10min placed in an ice bath at 5 ℃, 10000r/min centrifugation
10min, supernatant membrane filtration for HPLC.
5.2 Determination
5.2.1 Chromatographic conditions
a) UV detector. wavelength of 230nm;
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 2290-2009_English be delivered?Answer: Upon your order, we will start to translate SN/T 2290-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of SN/T 2290-2009_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 2290-2009_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.
|