Search result: SN/T 3145-2011
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Food contact materials for export. Polymers. Determination of extractives in acrylonitrile-butadiene-styrene copolymers, polyethylene phthalate polymers, ethylene-vinyl acetate copolymers and their products
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SN/T 3145-2011
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| Standard ID | SN/T 3145-2011 (SN/T3145-2011) | | Description (Translated English) | Food contact materials for export. Polymers. Determination of extractives in acrylonitrile-butadiene-styrene copolymers, polyethylene phthalate polymers, ethylene-vinyl acetate copolymers and their products | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X08 | | Classification of International Standard | 67.25 | | Word Count Estimation | 12,182 | | Date of Issue | 9/9/2011 | | Date of Implementation | 4/1/2012 | | Quoted Standard | GB/T 602; GB/T 6682 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China | | Summary | This standard specifies the food contact materials acrylonitrile - butadiene - styrene copolymer (ABS), polyethylene terephthalate polymer (PET), ethylene vinyl acetate co-matter (EVA) and its products play an extract of non- chloroform soluble extract its determination thereof. This standard applies to the determination of food contact materials ABS, PET, EVA and its products Nonvolatile chloroform extract soluble extract. |
SN/T 3145-2011
Food contact materials for export.Polymers.Determination of extractives in acrylonitrile-butadiene-styrene copolymers, polyethylene phthalate polymers, ethylene-vinyl acetate copolymers and their products
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Export of food contact materials - Polymer
Determination of ABS, PET, EVA products and extracts
acrylonitrile-butadiene-styrenecopolymers, polyethylenephthalatepolymers,
Issued on. 2011-09-09
2012-04-01 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.
The standard reference to FDA21CFR176.170 "with an aqueous food and oily food contact paper and board components" USA, 21
CFR177.1020 "acrylonitrile - butadiene - styrene copolymer," 177.1630 "ethylene terephthalate polymer" and 177.1350 "B
Alkenyl-vinyl acetate copolymer. "
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Zhejiang Exit Inspection and Quarantine, Xinjiang People's Republic of China Entry-Exit Inspection and
Quarantine Bureau.
The main drafters of this standard. Wu Liyan, male tour, Dan Cao, Liu Jun, Wu Huibo, Heredity, Tseng Lan, He Xiaolei, Shen Yue Yong, Zhu Jinsong.
Export of food contact materials - Polymer
Determination of ABS, PET, EVA products and extracts
1 Scope
This standard specifies the food contact materials acrylonitrile - butadiene - styrene copolymer (ABS), polyethylene terephthalate polymer
(PET), Determination of ethylene-vinyl acetate copolymer (EVA) and nonvolatile products chloroform extract its soluble extract.
This standard applies to food contact materials ABS, PET, EVA and nonvolatile products chloroform extract its soluble extract
Determination.
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.
Preparation of standard solution of GB/T 602 Determination of impurities in chemical reagents
Laboratory use specifications and test methods GB/T 6682 Analysis
Principle 3
With an appropriate food simulant soaked sample, soaked sample extract was evaporated after drying to constant weight to give the non-volatile extract. Such as
Non-volatile extract from PET and EVA sample exceeds the limit, the evaporation residue was dissolved in chloroform, filtered, and the filtrate was again dried and constant weight,
Chloroform soluble extract obtained. Such as chloroform soluble extract EVA ultra-limited samples, the extract ash, flame original
Sub zinc absorption spectrophotometer detector in which the oil content of the chloroform extract the oil content subtracted zinc corrected.
4 Reagents and materials
Unless otherwise specified, the reagents were of analytical grade, the water in line with GB/T 6682 a water policy.
4.1 chloroform. should be used with redistilled.
4.2 n-heptane. should be used with redistilled.
4.3 ethanol.
4.4 glacial acetic acid.
4.5 nitrate.
Ethanol 4.6 (11).
4.7 ethanol solution (223).
4.8 acetic acid solution (397).
4.9 nitric acid solution (199).
4.10 Zinc standard solution at a concentration of 1000mg/L (according to GB/T 602 or formulated using certified reference material).
4.11 filter (pore size of 20μm ~ 25μm).
4.12 paperclips.
4.13 aluminum mesh.
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