SN/T 2687-2010 English PDF

US$239.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 2687-2010: Determination of tributyltin and triphenyltin in used mechanical and electronic products. Gas chromatography-mass spectrometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2687-2010	239	Add to Cart	3 days	Determination of tributyltin and triphenyltin in used mechanical and electronic products. Gas chromatography-mass spectrometry	Valid

Similar standards

GB/T 4096.1   GB/T 1804   GB/T 1184   SN/T 2688   SN/T 2689   SN/T 2686   

Basic data

Standard ID: SN/T 2687-2010 (SN/T2687-2010)
Description (Translated English): Determination of tributyltin and triphenyltin in used mechanical and electronic products. Gas chromatography-mass spectrometry
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: J04
Classification of International Standard: 25.010
Word Count Estimation: 9,982
Date of Issue: 2010-11-01
Date of Implementation: 2011-05-01
Regulation (derived from): National Quality Inspection (2010) 582
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the old mechanical and electrical products, tributyltin and triphenyltin by gas chromatography mass spectrometry. This standard applies to the old mechanical and electrical products, tributyltin and triphenyltin determination.

SN/T 2687-2010: Determination of tributyltin and triphenyltin in used mechanical and electronic products. Gas chromatography-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.
Determination of tributyltin and triphenyltin in used mechanical and electronic products.Gas chromatography-mass spectrometry People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of the old mechanical and electrical products tributyltin and triphenyltin of Gas chromatography - mass spectrometry Issued on. 2010-11-01 2011-05-01 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. Chinese Academy of Inspection and Quarantine. The main drafters of this standard. Xiao Haiqing, birch, Wang Chao, Sun Huiyuan, Qi Jing Bao, Wei Wei, Chen, Li Ling, Wang Han. This standard is the first release of the entry-exit inspection and quarantine industry standards. Determination of the old mechanical and electrical products tributyltin and triphenyltin of Gas chromatography - mass spectrometry

1 Scope

This standard specifies the old mechanical and electrical products, tributyltin and triphenyltin gas chromatography - mass spectrometry. This standard applies to the determination of the old mechanical and electrical products tributyltin and triphenyltin of.

2 Method summary

Soxhlet extraction using methanol as solvent in the sample tributyltin and triphenyltin, test compound after derivatization, by gas chromatography - mass Spectral Method.

3 Reagents and materials

Unless otherwise indicated, analytical grade reagents and using only the secondary deionized water. 3.1 Methanol. chromatographically pure. 3.2 hexane. chromatographically pure. 3.3 Sodium tetraethyl borate. 3.4 sodium acetate. 3.5 acetic acid. 3.6 over anhydrous sodium. 650 ℃ burning 4h, stored for later use in a sealed container. 3.7 tributyltin chloride (CAS Number. 1461-22-9), purity ≥98%. 3.8 triphenyltin (CAS number. 639-58-7), the purity of ≥98%. 3.9 2% sodium tetraethyl borate solution. Weigh accurately 0.2g (accurate to 1mg) tetraethyl sodium borate (3.3) in 10mL colorimetric tube, add Deionized water to the mark, the weighing process tetraethyl sodium borate need to be analytical balance with desiccant, now with the current. 3.10 acetic acid - sodium acetate buffer solution (pH4.6). Weigh accurately 1.36g (accurate to 1mg), sodium acetate (3.4) in 100mL flask In deionized water to volume, adjust the pH to 4.6, refrigerated with glacial acetic acid (3.5). 3.11 tributyltin standard stock solution (1000mg/L). Weigh accurately tributyltin chloride (3.7) 0.1g (accurate to 0.1mg) in 50mL beaker, it adds appropriate amount of methanol (3.1) dissolved quantitatively transferred to 100mL volumetric flask, diluted with methanol (3.1) to the mark, mix, Refrigerated. 3.12 triphenyltin standard stock solution (1000mg/L). Weigh accurately triphenyltin (3.8) 0.1g (accurate to 0.1mg) chloride in 50mL beaker, it adds appropriate amount of methanol (3.1) dissolved quantitatively transferred to 100mL volumetric flask, diluted with methanol (3.1) to the mark, mix, Refrigerated. 3.13 tributyltin and triphenyltin working standard solution. Pipette the appropriate amount each standard stock solution (3.11,3.12), formulated as concentrated tributyltin Degree of 0.05mg/L, 0.1mg/L, 0.5mg/L, 2mg/L, 10mg/L, triphenyltin concentration of 0.01mg/L, 0.02mg/L, 0.1mg/L, 0.4mg/L, 2mg/L standard working solution, now with the current. NOTE. If tributyltin and triphenyltin compounds (such as. tributyltin oxide and triphenyl tin oxide) having an equivalent effect, you can use these and other Acting compounds formulated standard stock solution. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 2687-2010_English be delivered?

Answer: Upon your order, we will start to translate SN/T 2687-2010_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 2687-2010_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 2687-2010_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.