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SN/T 3791-2014 English PDF

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US$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 3791-2014: Determination of the primary aromatic amines in the electrical and electronic products. High performance liquid chromatography-mass spectrometry method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 3791-2014	259	Add to Cart	3 days	Determination of the primary aromatic amines in the electrical and electronic products. High performance liquid chromatography-mass spectrometry method	Valid

Similar standards

GB/T 6113.102 GB/T 34986 GB/T 32910.3 SN/T 4240 SN/T 3793 SN/T 3792

Basic data

Standard ID: SN/T 3791-2014 (SN/T3791-2014)
Description (Translated English): Determination of the primary aromatic amines in the electrical and electronic products. High performance liquid chromatography-mass spectrometry method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: L04
Classification of International Standard: 29.020
Word Count Estimation: 10,189
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 electrical and electronic products, 26 kinds of aromatic primary amine liquid chromatography - mass spectrometry. This Standard applies to the determination of electrical and electronic plastic parts primary aromatic amines.

SN/T 3791-2014: Determination of the primary aromatic amines in the electrical and electronic products. High performance liquid chromatography-mass spectrometry method

---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 the primary aromatic amines in the electrical and electronic products. High performance liquid chromatography-mass spectrometry method People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of electrical and electronic products, primary aromatic amines Liquid Chromatography - 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. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Shandong Entry Inspection and Quarantine Bureau, People's Republic of China Guangdong Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Ye Xi Wen, Niu Zengyuan, Luo Xin, Tangzhi Xu, high Yonggang, Xu Hui, Zhang Gang, ZHOU Ming-hui. Determination of electrical and electronic products, primary aromatic amines Liquid Chromatography - Mass Spectrometry

1 Scope

This standard specifies the electrical and electronic products, 26 kinds of aromatic primary amine liquid chromatography - mass spectrometry. This standard applies to the determination of electrical and electronic components in plastic primary aromatic amines.

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

3 Method summary

The sample was dissolved ultrasound organic solvent with methanol to precipitate the polymer matrix, and the extract was concentrated and purified, liquid chromatography - mass spectrometry (LC-MS) Measurement and validation, external standard.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade should be. Water is in line with GB/T 6682 provided a water. 4.1 sodium hydroxide. 4.2 acetone. chromatography. 4.3 dichloromethane. chromatography. 4.4 tetrahydrofuran. chromatography. 4.5 Methanol. chromatographically pure. 4.6 acetonitrile. chromatography. 4.7 hexane. chromatographically pure. 4.8 hydrochloric acid (ρ = 1.38g/mL ~ 1.40g/mL). pure class distinctions. 4.9 aromatic primary amine standard. purity of greater than or equal to 98%, see Appendix A. 4.10 formic acid. 88%. 4.11 hydrochloric acid solution. 4mol/L. 4.12 Sodium hydroxide solution. 4mol/L. 4.13 methanol - water mixed solution (11 volume). an equal volume of methanol and water miscible. 4.14 formic acid. volume fraction of 0.1%. 4.15 standard stock solution. namely, accurately weighed amount of aromatic primary amine standard, prepared in methanol concentration of 1000mg/L Standard stock solution and placed in a brown bottle frozen, shelf life of six months. 4.16 matrix standard solution. necessary extract with a blank sample standard stock solution was diluted to the appropriate concentration of the matrix standard work As a solution. Reference linear range. 0.25mg/L ~ 10mg/L. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 3791-2014_English be delivered?

Answer: Upon your order, we will start to translate SN/T 3791-2014_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 3791-2014_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 3791-2014_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.