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SN/T 3897-2014 English PDF

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US$419.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 3897-2014: Determination of tetracycline antibiotics in cosmetics
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 3897-2014	419	Add to Cart	3 days	Determination of tetracycline antibiotics in cosmetics	Valid

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Basic data

Standard ID: SN/T 3897-2014 (SN/T3897-2014)
Description (Translated English): Determination of tetracycline antibiotics in cosmetics
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: Y42
Classification of International Standard: 71.100.70
Word Count Estimation: 16,111
Quoted Standard: GB/T 6682
Regulation (derived from): AQSIQ notification issued in 2014 on the first batch of 230 industry-standard entry-exit inspection and quarantine
Issuing agency(ies): General Administration of Customs
Summary: This Standard specifies the cosmetics minocycline, oxytetracycline, tetracycline, demeclocycline, chlortetracycline, methylene oxytetracycline, doxycycline, tetracycline difference to dehydration, dehydration tetracycline nine kinds of tetracyclines deter

SN/T 3897-2014: Determination of tetracycline antibiotics 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.
(Cosmetics tetracyclines - Determination) People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of cosmetics tetracycline antibiotics Issued on. 2014-01-13 2014-08-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. Please note that some of the content of this document may involve patents. Distribution of this document Institutions do not assume the responsibility to identify these patents. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Zhejiang Exit Inspection and Quarantine. The main drafters of this standard. Huang Chao-chun, Xie Wen, Hou Jianbo Shi Ying Chu, Chen Lingling, F. Cheng Jie, handsome big Yao, Sun Chengqi. Determination of cosmetics tetracycline antibiotics

1 Scope

This standard specifies the cosmetics minocycline, oxytetracycline, tetracycline, demeclocycline, chlortetracycline, oxytetracycline armor, strong mildew Su, tetracycline difference to dehydration, dehydration nine tetracycline tetracyclines measured by high performance liquid chromatography (HPLC) and liquid chromatography - mass / Mass Spectrometry (LC-MS/MS) detection. This standard applies to the determination of toner, lotion, mask, soap, facial cleanser, acne cream of 9 tetracycline antibiotics. The standard liquid chromatography - mass spectrometry/mass spectrometry for the arbitration law.

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 The first method HPLC

3 Method summary

Methanol - liquid chromatograph oxalic acid solution as solvent, ultrasonic extraction, centrifugation, filtration, equipped with a diode array detector and external standard Statutory amount.

4 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade, the water is a water line with GB/T 6682 regulations. 4.1 acetonitrile. liquid chromatography. 4.2 methanol. liquid chromatography. 4.3 oxalic acid. pure class distinctions. 4.4 formic acid. liquid chromatography. 4.5 ammonia. 4.6 phosphoric acid. pure class distinctions. 4.7 0.2% phosphoric acid solution. Pipette 2.0mL phosphoric acid (4.6), water volume to 1000mL. 4.8 0.02mol/L oxalic acid solution. Weigh 0.90g oxalic acid (4.3), dissolved in water and dilute to 500mL. 4.9 Methanol - oxalic acid solution (11 volume). Measure 500mL of methanol (4.2) and 500mL solution of oxalic acid (4.8) were mixed. 4.10 minocycline, oxytetracycline, tetracycline, demeclocycline, chlortetracycline, methylene oxytetracycline, doxycycline, tetracycline difference to dehydration, de Water tetracycline standards. purity of greater than or equal to 90%, see appendix A in Table A.1. 4.11 standard stock solution. the right amount of conversion were referred learn standard (4.10) were dissolved in methanol and set the volume, the solution concentration 200μg/mL, the standard stock solution stored below -18 ℃, valid for six months. 4.12 intermediate mixed standard solution. accurate Pipette 5.0mL respectively minocycline, oxytetracycline, tetracycline, demeclocycline, chlortetracycline, ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 3897-2014_English be delivered?

Answer: Upon your order, we will start to translate SN/T 3897-2014_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 3897-2014_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 3897-2014_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+ countries

Question 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 Sales@ChineseStandard.net. 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.