|
US$519.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 2553-2010: Determination of benzene, toluene, xylene isomers, free toluene diisocynate and phthalate plasticizers in adhesives used in building for import and export
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2553-2010 | English | 519 |
Add to Cart
|
4 days [Need to translate]
|
Determination of benzene, toluene, xylene isomers, free toluene diisocynate and phthalate plasticizers in adhesives used in building for import and export
| Valid |
SN/T 2553-2010
|
PDF similar to SN/T 2553-2010
Basic data | Standard ID | SN/T 2553-2010 (SN/T2553-2010) | | Description (Translated English) | Determination of benzene, toluene, xylene isomers, free toluene diisocynate and phthalate plasticizers in adhesives used in building for import and export | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | Q27 | | Classification of International Standard | 91.100.50 | | Word Count Estimation | 20,236 | | Date of Issue | 2010-05-27 | | Date of Implementation | 2010-12-01 | | Regulation (derived from) | National Quality Inspection (2010) 290; industry standard filing Notice 2010 No. 10 (No. 130 overall) | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the import and export of plastic used in construction of benzene, toluene, xylene, free toluene diisocyanate (TDI) by gas chromatography mass spectrometry method, the method provides for import and export of two buildings with plastic benzene, toluene, xylene, toluene free diisocyanate (TDI) by Gas Chromatography Hydrogen flame ionization detector measuring method, Method three plastic construction provides the export of benzene, toluene, xylene, diisobutyl phthalate (DIBP), phthalic acid dibutyl (DBP), butyl benzyl phthalate (BBP), phthalic acid di (2 ethylhexyl) phthalate (DEHP), di-n-octyl phthalate (DNOP) of GC-MS measurement method provides a method four export building gel, benzene, toluene, xylene, diisobutyl phthalate (DIBP), dibutyl phthalate (DBP), phthalic acid benzyl butyl ester (BBP), phthalic acid di (2 ethylhexyl) phthalate (DEHP), di-n-octyl phthalate (DNOP) Gas chromatographic method. This standard methods a second method for export building gel, benzene, toluene, xylene, free toluene diisocyanate determination Method three, four ways to export building Method five suitable glue of benzene, toluene, , xylene, DIBP, DBP, BBP, DEHP, DNOP determination. | SN/T 2553-2010: Determination of benzene, toluene, xylene isomers, free toluene diisocynate and phthalate plasticizers in adhesives used in building for import and export
---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 isomers, free toluene diisocynate and phthalate plasticizers in adhesives used in building for import and export
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Import and export of plastic used in construction of benzene, toluene, xylene,
Free toluene diisocyanate and phthalates
Determination of plasticizer
Determinationofbenzene, toluene, xyleneisomers, freetoluenedisocynateand
Issued on. 2010-05-27
2010-12-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Xiamen, People's Republic of China Exit Inspection and Quarantine.
The main drafters of this standard. Lai Ying, Huang Changchun, Cai Yanping, wooden Dong Qing, Wang Honghui, Huangzong Ping, Zheng Li Chun, Chen and show, Sea.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Import and export of plastic used in construction of benzene, toluene, xylene,
Free toluene diisocyanate and phthalates
Determination of plasticizer
1 Scope
This standard specifies a method for the import and export of plastic used in construction of benzene, toluene, xylene, free toluene diisocyanate (TDI) of gas chromatography
Spectrum mass spectrometry, method II of the glue of benzene, toluene, xylene, free toluene diisocyanate (TDI) Gas import and export building
Chromatography - flame ionization detector measuring method, Method three provisions of the import and export of plastic used in construction of benzene, toluene, xylene, dibutyl phthalate
Isobutyl (DIBP), dibutyl phthalate (DBP), benzyl butyl phthalate (BBP), phthalic acid di (2-ethylhexyl)
Ester (DEHP), di-n-octyl phthalate (DNOP) gas chromatography mass spectrometry method, Method IV provides for import and export construction glue
Benzene, toluene, xylene, isobutyl phthalate (DIBP), dibutyl phthalate (DBP), phthalate, butyl benzyl phthalate
(BBP), bis (2-ethylhexyl) phthalate (DEHP), di-n-octyl ester by gas chromatographic method (DNOP), square
Five law provides import and export of plastic used in construction of benzene, toluene, xylene, isobutyl phthalate (DIBP), dibutyl phthalate
(DBP), benzyl butyl phthalate (BBP), bis (2-ethylhexyl) phthalate (DEHP), di-n-octyl phthalate
(DNOP) by high performance liquid chromatographic method.
This standard is a method, second method is suitable for import and export of plastic used in construction of benzene, toluene, xylene, toluene diisocyanate free determination,
Three methods Method four, five methods applicable to the import and export of plastic used in construction of benzene, toluene, xylene, DIBP, DBP, BBP, DEHP, DNOP of
Determination.
2 a method of benzene, toluene, xylene, toluene diisocyanate free simultaneous determination by gas chromatography-mass spectrometry ---
2.1 Principle
Sample ultrasonic extraction with ethyl acetate, the extract was filtered, measured by gas chromatography mass spectrometry. According to their retention times and mass spectra given
Sex, substance content of each was measured by internal standard method.
2.2 Reagents and materials
2.2.1 Benzene. chromatography.
2.2.2 Toluene. chromatography.
2.2.3 o-xylene. chromatography.
2.2.4 xylene. chromatography.
2.2.5 xylene. chromatography.
2.2.6 toluene diisocyanate (TDI). purity ≥98%.
2.2.7 n-tetradecane. chromatography.
2.2.8 5A molecular sieve. heating furnace at a high temperature of 500 ℃ in 2h, placed in a desiccator cool reserve.
2.2.9 ethyl acetate. chromatography, molecular sieve 250g5A per 500mL added (2.2.8), place the filter after 24h.
2.2.10 standard stock solution Ⅰ. Accurately weigh benzene (2.2.1) 0.1g, toluene (2.2.2) 2.0g, o-xylene (2.2.3), m-xylene
(2.2.4) each 0.5g, p-xylene (2.2.5) 1.0g, are accurate to 0.0002g, set 50mL volumetric flask, ethyl acetate (2.2.9)
Diluted to the mark, shake well.
2.2.11 standard stock solution Ⅱ. Accurately weigh TDI (2.2.6) 0.2g, accurate to 0.0002g, set 50mL volumetric flask with acetic acid
Ethyl ester (2.2.9) diluted to the mark, shake well.
2.2.12 internal standard stock solution. Weigh accurately 1.0g n-tetradecane (2.2.7) standards (accurate to 0.0002g) in 100mL flask
, Diluted with ethyl acetate (2.2.9) to the mark, formulated at a concentration of 10mg/mL stock solution of the internal standard.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 2553-2010_English be delivered?Answer: Upon your order, we will start to translate SN/T 2553-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of SN/T 2553-2010_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 2553-2010_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+ 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.
|