SN/T 0120-2010 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 0120-2010	359	Add to Cart	3 days	Import and export of nylon, Polyethylene, polypropylene heald qualitative analysis method	Obsolete
SN/T 0120-1992	239	Add to Cart	2 days	Method for qualitative analysis ofpolyamid, polyethylene and polypropylenemonofilament yarn for import	Obsolete

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Basic data

Standard ID: SN/T 0120-2010 (SN/T0120-2010)
Description (Translated English): Import and export of nylon, Polyethylene, polypropylene heald qualitative analysis method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: W52
Word Count Estimation: 9,929
Date of Issue: 2010-11-01
Date of Implementation: 2011-05-01
Older Standard (superseded by this standard): SN/T 0120-1992
Quoted Standard: GB/T 14666-2003
Regulation (derived from): State inspection recognized (2010) 582
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the Nylon, Polyethylene, polypropylene three kinds of healds with proportion method, dissolution method, melting point, infrared spectroscopy statutory sexual identification steps. This standard applies to imports of nylon (polyamide G), Polyethylene (PE), polypropylene (PP) healds qualitative identification.

SN/T 0120-2010: Import and export of nylon, Polyethylene, polypropylene heald qualitative analysis 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.
Import and export of nylon, Polyethylene, polypropylene heald qualitative analysis method People's Republic of China Entry-Exit Inspection and Quarantine Standards Instead of the SN/T 0120-1992 Import and export of nylon, Polyethylene, Polypropylene Heald Qualitative analysis Methodforqualitativeanalysisofpolyamide, polyethyleneandpolypropylene 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. Instead of the standard SN/T 0120-1992 "import nylon, Polyethylene, Polypropylene heald qualitative analysis." This standard compared with SN/T 0120-1992, the main technical changes are as follows. --- Increasing the related terms and definitions; --- As a qualitative analysis rather than for the inspection, sampling method and the number deleted; Cyclohexane and decalin solvent --- the original standard "dissolution test method" used, revised toluene and xylene; --- Update the infrared spectrum, the abolition of legal dissolution of the film, added in 2002 after the new IR sampling technique --- attenuated total Reflection (ATR) method, and some way of expression has also been modified. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. Tianjin People's Republic of China Exit Inspection and Quarantine. The main drafters of this standard. Zheng Yun, is Zhu Tong, Lei Zhou. This standard replaces the standards previously issued as follows. --- SN/T 0120-1992. Import and export of nylon, Polyethylene, Polypropylene Heald Qualitative analysis

1 Scope

This standard specifies the steps nylon, Polyethylene, polypropylene three kinds heald by gravity method, dissolution method, melting method, infrared spectroscopy of identification. This standard applies to the import and export of nylon (nylon 6), Polyethylene (PE), polypropylene qualitative identification (polypropylene) healds.

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 14666-2003 analytical chemistry terms

3 Terms and Definitions

GB/T 14666-2003 define the following terms and definitions apply to this document. 3.1 Nylon polyamidefibre Polyamide fiber as raw material is made of spun 6. 3.2 Polyethylene polyethylenefibre Made of polyethylene fibers spun at high pressure ethylene polymerization obtained. 3.3 Polypropylene polypropylenefibre Petroleum cracking is separated from propylene gas as raw material, after polymerization of polypropylene resin spun into fibers. 3.4 Infrared absorption spectrometry infraredabsorptionspectrometry Infrared radiation and sample molecular vibration and (or) rotational levels of interaction, the use of infrared absorption wavelength and absorption band position Strength analysis to determine the composition of the sample, the molecular structure and the like. 3.5 Attenuated Total Reflectance attenuatedtotalreflection; ATR A method for measuring a high absorption of the sample or sample surface, greater than the critical angle of the infrared light incident at an angle close to the sample surface to a high The refractive index of the crystal, since the sample refractive index lower than the crystal, total reflection infrared light into the sample only a very shallow surface layer, only certain frequencies Is absorbed, the measured radiation is attenuated, whereby attenuated total reflection spectra of the samples. Principle 4 Have different densities based on nylon, Polyethylene, polypropylene three kinds heald different solubility, different heat resistance, different IR, mining By density method, dissolution method, melting point, infrared spectroscopy were identified. ......

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