SN/T 2551-2010 English PDF

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SN/T 2551-2010: Food contact materials. Polymer materials. Determination of 3, 3-bis (3-methyl-4-hydroxyphenyl)-2-indoline in food simulants. HPLC method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2551-2010	319	Add to Cart	3 days	Food contact materials. Polymer materials. Determination of 3, 3-bis (3-methyl-4-hydroxyphenyl)-2-indoline in food simulants. HPLC method	Valid

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Basic data

Standard ID: SN/T 2551-2010 (SN/T2551-2010)
Description (Translated English): Food contact materials. Polymer materials. Determination of 3, 3-bis (3-methyl-4-hydroxyphenyl)-2-indoline in food simulants. HPLC method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: C53
Classification of International Standard: 67.250
Word Count Estimation: 12,194
Date of Issue: 2010-05-27
Date of Implementation: 2010-12-01
Quoted Standard: SN/T 2280
Regulation (derived from): National Quality Inspection [2010] No. 290
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the polymer materials in contact with food in 3, 3 bis (3 methyl-4 hydroxyphenyl) -2 indolone (see Appendix A) HPLC method. This standard applies to polymeric materials in contact with food in 3, 3 bis (3 methyl-4 hydroxyphenyl) -2 indolone migration of content.

SN/T 2551-2010: Food contact materials. Polymer materials. Determination of 3, 3-bis (3-methyl-4-hydroxyphenyl)-2-indoline in food simulants. HPLC method

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Food contact materials.Polymer materials.Determination of 3, 3-bis (3-methyl-4-hydroxyphenyl) -2-indoline in food simulants.HPLC method People's Republic of China Entry-Exit Inspection and Quarantine Standards Food contact materials - Polymer Food simulants 3,3-bis (3-methyl-4-hydroxyphenyl) 2-indole-one HPLC (3-methyl-4-hydroxyphenyl) -2-indolineinfoodsimulants- HPLCmethod 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 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 Zhejiang Exit Inspection and Quarantine. The main drafters of this standard. spring flowers Xiao, Xu Jie, Wu Gang, Wang Xuqiang, Zhu waves, Xu Yongping. Food contact materials - Polymer Food simulants 3,3-bis (3-methyl-4-hydroxyphenyl) 2-indole-one HPLC

1 Scope

This standard specifies the polymer materials in contact with food in the 3,3-bis (3-methyl-4-hydroxyphenyl) -2-indolinone (see Appendix A) and efficient Determination of liquid chromatography. This standard applies to 3,3-bis (3-methyl-4-hydroxyphenyl) -2-determination of migration indole ketone polymer materials in contact with food.

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. The plastic material of the test substance to food and food simulants specific migration of SN/T 2280 plastic food contact materials is limited Methods and determination of exposure to food simulants and conditions of selection guidelines Principle 3 Liquid food simulants 3,3-bis (3-methyl-4-hydroxyphenyl) -2-indolinone levels measured by reverse phase high performance liquid chromatography is adopted UV detector at 235nm completion. Before conducting fatty mimetic HPLC analysis, it has to be extracted with 80% aqueous acetonitrile. By known 3,3-bis (3-methyl-4-hydroxyphenyl) -2-food simulant indolinone content samples for calibration to obtain quantitative and Inverse Phase high performance liquid chromatographic columns with different polarities confirmed by UV detector at 280nm under.

4 Reagents

Unless otherwise specified, the reagents were of analytical grade. 4.1 analytes 3,3-bis (3-methyl-4-hydroxyphenyl) -2-indolinone, the purity should be greater than 98% (mass fraction). 4.2 Other Chemicals 4.2.1 ethanol. 4.2.2 acetonitrile (HPLC grade). 4.2.3 distilled water (HPLC grade). 4.2.4 formic acid, 96% (HPLC grade). ......

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