|
US$159.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 3998-2014: Determination of hexabromocyclododecane in coatings - Gas chromatography-mass spectrometry
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 3998-2014 | English | 159 |
Add to Cart
|
3 days [Need to translate]
|
Determination of hexabromocyclododecane in coatings - Gas chromatography-mass spectrometry
| Valid |
SN/T 3998-2014
|
PDF similar to SN/T 3998-2014
Basic data | Standard ID | SN/T 3998-2014 (SN/T3998-2014) | | Description (Translated English) | Determination of hexabromocyclododecane in coatings - Gas chromatography-mass spectrometry | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | G51 | | Classification of International Standard | 87.040 | | Word Count Estimation | 6,651 | | Date of Issue | 12/1/2014 | | Date of Implementation | 5/1/2015 | | Quoted Standard | GB/T 6379.2; GB 18581 | | Regulation (derived from) | State-Quality-Inspection-accreditation [2014] 614 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies six paint brominated flame retardants HBCD (HBCD) gas chromatography - mass spectrometry. This standard applies to the determination of the coating dodecane hexabrominated ring. | SN/T 3998-2014: Determination of hexabromocyclododecane in coatings - 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 coating six HBCD by gas chromatography - mass spectrometry)
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Dodecane measuring coating hexabromocyclododecane
Gas chromatography - mass spectrometry
Issued on. 2014-11-19
2015-05-01 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 is mainly drafted by. 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. Xueqiu Hong, Tao Lin, Jiang Yuting, Zhang Jian, Zhang Shuai, Li Yan Qiu Ye Xi Wen, Lee Jun, Liu Yilong.
Dodecane measuring coating hexabromocyclododecane
Gas chromatography - mass spectrometry
1 Scope
This method specifies six paint brominated flame retardants HBCD (HBCD) gas chromatography - mass spectrometry.
This method is suitable for determination of hexa dodecane ring to the coating.
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.
GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat
Of the basic methods of reproduction
GB 18581 interior decoration materials, solvent-based coatings of harmful substances
3 Method summary
Sample ultrasonic extraction with dichloromethane, the organic extract after filtration membrane by gas chromatography - mass spectrometry (GC/MS). According to its security
Retention time and mass spectrum qualitative, external standard.
4 Reagents and materials
4.1 six HBCD (HBCD, CAS No. 3194-55-6). purity ≥97.5%.
4.2 dichloromethane. chromatography.
Preparation 4.3 HBCD standard stock solution. Weigh accurately 0.05g standard (accurate to 0.0001g) (4.1), (4.2) was dissolved with dichloromethane
Solutions and transferred to a 50mL volumetric flask and dilute to volume, mix, formulated at a concentration of 1000mg/L standard stock solution, and placed 4 ℃
Refrigerator spare.
4.4 HBCD formulation of standard solution. Pipette appropriate amount of standard stock solution (4.3), stepwise diluted with dichloromethane (4.2) to prepare a concentration
They were 50mg/L, 100mg/L, 250mg/L, 500mg/L, 1000mg/L of standard solution, using now.
5 instruments and equipment
5.1 Gas chromatography - mass spectrometry. equipped with electronic bombardment source (EI).
5.2 Analytical Balance. sensing an amount of 0.1mg.
5.3 ultrasonic cleaner (≥100W).
5.4 vortex mixer.
5.5 plug cuvette. 10mL.
5.6 organic membranes. 0.45μm.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 3998-2014_English be delivered?Answer: Upon your order, we will start to translate SN/T 3998-2014_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 3998-2014_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 3998-2014_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+ 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.
|