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SN/T 3821-2014 English PDF

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US$319.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 3821-2014: Determination of hexavalent chromium in cosmetics for export - Liquid chromatography-inductively coupled plasma mass spectrometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 3821-2014	319	Add to Cart	3 days	Determination of hexavalent chromium in cosmetics for export - Liquid chromatography-inductively coupled plasma mass spectrometry	Valid

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Basic data

Standard ID: SN/T 3821-2014 (SN/T3821-2014)
Description (Translated English): Determination of hexavalent chromium in cosmetics for export - Liquid chromatography-inductively coupled plasma mass spectrometry
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: Y42
Classification of International Standard: 71.100.70
Word Count Estimation: 12,197
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 export of hexavalent chromium in cosmetics by liquid chromatography - inductively coupled plasma mass spectrometry. This standard applies to loose, silty blush, powder, bath powder, powder eye shadow, powder Determination of he

SN/T 3821-2014: Determination of hexavalent chromium in cosmetics for export - Liquid chromatography-inductively coupled plasma mass spectrometry

---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.
(Hexavalent chromium in cosmetics outlet - Determination - Liquid Chromatography - Inductively Coupled Plasma Mass Spectrometry) People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of hexavalent chromium in cosmetics outlet Liquid Chromatography - Inductively Coupled Plasma Mass Spectrometry 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 is mainly drafted by. People's Republic of China Hubei Exit Inspection and Quarantine. The main drafters of this standard. Guoshao Fei, Wang Peng, Ling about Tao, Luo Jing, Hu Zhong, Wang Fan, Hude Cong, Panrui flowers, Zhao Ya, Wang Hui, Cheng Ye, Shang Yin bamboo, Jin Tao. Determination of hexavalent chromium in cosmetics outlet Liquid Chromatography - Inductively Coupled Plasma Mass Spectrometry

1 Scope

This standard specifies the export of hexavalent chromium in cosmetics by liquid chromatography - inductively coupled plasma mass spectrometry. This standard applies to loose, silty blush, powder, bath powder, powder eye shadow, powder Determination of hexavalent chromium.

2 Normative references

The following documents for the application of this standard 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

3 Method summary

Hexavalent chromium specimen using sodium hydroxide solution and extracted by liquid chromatography - inductively coupled plasma mass spectrometer measurement, external standard method Quantified.

4 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 tetrabutyl ammonium hydrogen sulfate. 4.2 ammonia. pure class distinctions. 4.3 Nitric acid. pure class distinctions. 4.4 Magnesium chloride hexahydrate. 4.5 sodium hydroxide. 4.6 dipotassium hydrogen. 4.7 potassium dihydrogen phosphate. 4.8 Methanol. HPLC grade. 4.9 extract (0.05mol/L sodium hydroxide solution). Weigh 2.0g of sodium hydroxide (4.5) dissolved in water, water volume to 1000mL, Mix well and set aside. 4.10 phosphate buffer solution. dipotassium hydrogen 8.71g (4.6) and 6.80g of potassium dihydrogen phosphate (4.7) was dissolved in water, dilute to 100mL, and mix. Mobile phase 4.11 (2mmol/L tetrabutyl ammonium bisulfate solution, 5% methanol, pH = 4.0). Weigh 0.68g of tetrabutyl ammonium hydrogen sulfate (4.1), dissolved in water, was added 50mL of methanol (4.8), set the volume to nearly 1000mL, adjusted with ammonia (4.2) pH to 4.0, water volume to 1000mL. Prior to use, too 0.45μm filter, and ultrasonic treatment 10min. 4.12 2% nitric acid solution. lessons 2mL nitric acid (4.3) in 100mL flask with water to volume. 4.13 hexavalent chromium standard solution. GB W (E) 080257, the standard value of 100μg/mL, or equivalent person. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 3821-2014_English be delivered?

Answer: Upon your order, we will start to translate SN/T 3821-2014_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 3821-2014_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 3821-2014_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.