Path: Home > SN/T > Page40 > SN/T 2935-2011 || Home > Standard_List > SN/T > Page40 > SN/T 2935-2011 Price & DeliveryUS$239.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 2935-2011: Determination of benzene, toluene, xylene and phthalic acid esters in solvent coatings for import and export. Gas chromatography
Status: Valid
| Std ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status |
| SN/T 2935-2011 | English | 239 |
Add to Cart
|
3 days [Need to translate]
|
Determination of benzene, toluene, xylene and phthalic acid esters in solvent coatings for import and export. Gas chromatography
| Valid |
Standard similar to SN/T 2935-2011 HJ 2537 | HJ 2515 | GB/T 3186 | SN/T 5695 | SN/T 5259 | SN/T 2936 | Basic data | Standard ID | SN/T 2935-2011 (SN/T2935-2011) | | Description (Translated English) | Determination of benzene, toluene, xylene and phthalic acid esters in solvent coatings for import and export. Gas chromatography | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | G51 | | Classification of International Standard | 87.040 | | Word Count Estimation | 9,911 | | Date of Issue | 2011-05-31 | | Date of Implementation | 2011-12-01 | | Regulation (derived from) | National-Quality-Inspection-accreditation (2011) 291 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the solvent-based coatings benzene, toluene, xylene and diethyl phthalate, dibutyl phthalate, phthalate, di (2-ethylhexyl) phthalate, phthalate gas chromatography method n-octyl phthalate content. This standard applies to the determination of solvent-based coatings BTEX and phthalates. | SN/T 2935-2011: Determination of benzene, toluene, xylene and phthalic acid esters in solvent coatings for import and export. Gas chromatography
---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 benzene, toluene, xylene and phthalic acid esters in solvent coatings for import and export.Gas chromatography
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Importers and solvent-based paints of benzene, toluene, xylene, and
Gas Chromatography phthalates
Determinationofbenzene, toluene, xyleneandphthalicacidestersinsolvent
Issued on. 2011-05-31
2011-12-01 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 CIQ.
The main drafters of this standard. Ye Xi Wen, Niu Zengyuan, Cai hair, Luo Xin, Xueqiu Hong, Ding Yulong.
Importers and solvent-based paints of benzene, toluene, xylene, and
Gas Chromatography phthalates
1 Scope
This standard specifies the solvent-based coatings benzene, toluene, xylene and diethyl phthalate, butyl benzyl phthalate esters, phthalic
Acid, dibutyl phthalate, di (2-ethylhexyl) phthalate, di-n-gas chromatography method octyl ester content.
This standard applies to the determination of solvent-based coatings BTEX and phthalates.
2 Method summary
After the coating samples using polytetrafluoroethylene (PTFE) membrane filter to remove most of the film-forming resin material, particulate fillers and various additives, with
Gas Chromatography Coatings benzene, toluene, xylene, and phthalates, internal standard method, gas chromatography/mass spectrometry confirmation.
3 Reagents and materials
Unless otherwise specified, use only analytical reagent.
3.1 ethyl acetate. chromatography.
3.2 Benzene. chromatography (CAS Number. 71-43-2).
3.3 toluene. chromatography (CAS number. 108-88-3).
3.4 o-xylene. chromatography (CAS Number. 95-47-6).
3.5 Xylene. chromatography (CAS number. 108-38-3).
3.6 pairs Xylene. chromatography (CAS number. 106-42-3).
3.7 diethyl phthalate (DEP). Purity ≥99% (CAS Number. 84-66-2).
3.8 phthalate, butyl benzyl phthalate (the BBP). purity ≥97% (CAS Number. 85-68-7).
3.9 dibutyl phthalate (DBP). Purity ≥98% (CAS Number. 84-74-2).
3.10 bis (2-ethylhexyl) phthalate (of DEHP). purity ≥99% (CAS Number. 117-81-7).
3.11 phthalate, di-n-octyl phthalate (DNOP). Purity ≥98% (CAS number. 117-84-0).
3.12 Internal standard. tetradecane, chromatography.
3.13 Internal standard solution. 0.05g/mL. Weigh accurately 2.5g n-tetradecane (3.12) in 50mL brown volumetric flask with ethyl acetate
(3.1) diluted to volume.
3.14 standard stock solution. namely, accurately weighed amount of various BTEX and phthalate standards, formulated as benzene and ethyl acetate
Phthalate concentration 0.01g/mL, toluene, o-xylene, m-xylene, p-xylene at a concentration of 0.025g/mL standard stock
Liquid, brown bottle, refrigerated.
3.15 mixed standard working solution. According to the standard stock solution required Pipette appropriate volume of (3.14), was added 1.0mL internal standard solution
(3.13), diluted with ethyl acetate (3.1) and set the volume to 10mL, shake well.
4 instruments and equipment
4.1 Gas chromatograph. with flame ionization detection (GC/FID).
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 2935-2011_English be delivered?Answer: Upon your order, we will start to translate SN/T 2935-2011_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 2935-2011_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 2935-2011_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 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. |