GB/T 23373-2009 English PDF

US$319.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23373-2009: Determination of butylated hydroxyl anisole (BHA), dibutylated hydroxyl toluene (BHT) and tertiary butyl hydroquinone (TBHQ) in foods
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23373-2009	319	Add to Cart	3 days	Determination of butylated hydroxyl anisole (BHA), dibutylated hydroxyl toluene (BHT) and tertiary butyl hydroquinone (TBHQ) in foods	Obsolete

Similar standards

GB 29202   GB 29208   GB 29207   GB 31645   GB 31646   GB 31644   

Basic data

Standard ID: GB/T 23373-2009 (GB/T23373-2009)
Description (Translated English): Determination of butylated hydroxyl anisole (BHA), dibutylated hydroxyl toluene (BHT) and tertiary butyl hydroquinone (TBHQ) in foods
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X40
Classification of International Standard: 67.050
Word Count Estimation: 8,817
Date of Issue: 2009-03-16
Date of Implementation: 2009-05-01
Quoted Standard: GB/T 6682-2008
Regulation (derived from): National Standard Approval Announcement 2009 No.3 (Total No.143)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the determination of antioxidants in food butyl hydroxy anisole (BHA) by gas chromatography, dibutyl hydroxy toluene (BHT) and tert-butyl hydroquinone (TBHQ) method. This standard applies to foods BHA, BHT and TBHQ determination. This standard method detection limit: BHA2mg/kg, BHT2mg/kg, TBHQ5mg/kg.

GB/T 23373-2009: Determination of butylated hydroxyl anisole (BHA), dibutylated hydroxyl toluene (BHT) and tertiary butyl hydroquinone (TBHQ) in foods

---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 butylated hydroxyl anisole (BHA), dibutylated hydroxyl toluene (BHT) and tertiary butyl hydroquinone (TBHQ) in foods ICS 67.050 X40 National Standards of People's Republic of China Food antioxidants butylated hydroxyanisole (BHA), Butylated hydroxytoluene (BHT) and tert-butyl Determination of hydroquinone (TBHQ) of Posted 2009-03-16 2009-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard and Appendix B is an informative annex. This standard is proposed and managed by China National Institute of Standardization. This standard was drafted. the National Food Quality Supervision, Inspection and Safety Center. The main drafters of this standard. with Na Mu, Xu Hua, Zhao Yuqi, Cao Hong, ZHOU Xiang Juan, Li Wei, Liu Yanqin. Food antioxidants butylated hydroxyanisole (BHA), Butylated hydroxytoluene (BHT) and tert-butyl Determination of hydroquinone (TBHQ) of

1 Scope

This standard specifies the determination by gas chromatography in food antioxidant butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT) and T-butyl hydroquinone (TBHQ) method. This standard applies to foods BHA, BHT and TBHQ determination. The standard method detection limit. BHA2mg/kg, BHT2mg/kg, TBHQ5mg/kg.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 6682-2008 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD) Principle 3 Samples antioxidants with an organic solvent extraction and gel permeation chromatography purification system (GPC) purified by gas chromatography flame ionization Of the detector, using the retention time qualitative, external standard.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade water for the two water GB/T 6682-2008 requirements. 4.1 cyclohexane. 4.2 ethyl acetate. 4.3 petroleum ether. boiling range 30 ℃ ~ 60 ℃ (distilled). 4.4 acetonitrile. 4.5 acetone. 4.6 BHA standards. purity ≥99.0%, - 18 ℃ frozen storage. 4.7 BHT standards. purity ≥99.3%, - 18 ℃ frozen storage. 4.8 TBHQ standards. purity ≥99.0%, - 18 ℃ frozen storage. 4.9 BHA, BHT, TBHQ standard stock solution. Weigh accurately BHA, BHT, TBHQ standards for each 50mg (accurate to 0.1mg), With ethyl acetate. cyclohexane (1/1) volume to 50mL, formulated as a stock solution 1mg/mL, and at 4 ℃ refrigerator stored. 4.10 BHA, BHT, TBHQ standard solution. draw stock standard solution 0.1,0.5,1.0,2.0,3.0,4.0,5.0mL, in a group 10mL volumetric flask, ethyl acetate. cyclohexane (1/1) to volume concentration of this standard series is 0.01,0.05,0.1,0.2,0.3,0.4, 0.5mg/mL. Using now. 5. Apparatus 5.1 Gas Chromatograph (GC). equipped with a flame ionization detector (FID). 5.2 Gel Permeation Chromatography Purification System (GPC), or may be defatted equivalent separation device. ......

Image