GB 23488-2009 English PDF

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GB 23488-2009: Food additive -- 2, 3-Butanedione
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 23488-2009	239	Add to Cart	3 days	Food additive -- 2, 3-Butanedione	Obsolete

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Basic data

Standard ID: GB 23488-2009 (GB23488-2009)
Description (Translated English): Food additive -- 2, 3-Butanedione
Sector / Industry: National Standard
Classification of Chinese Standard: X44
Classification of International Standard: 71.100.60
Word Count Estimation: 6,693
Date of Issue: 2009-04-17
Date of Implementation: 2009-10-01
Quoted Standard: GB/T 11538-2006; GB/T 11539-2008; GB/T 11540; GB/T 14454.2; GB/T 14454.4
Regulation (derived from): National Health and Family Planning Commission of the People Republic of China No. 8, 2015
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 Chinese standard specifies the 2, 3 butanedione requirements, test methods, inspection rules and signs, packaging, transportation, storage and shelf life. This standard applies to chemical synthesis of 2, 3 butanedione.

GB 23488-2009: Food additive -- 2, 3-Butanedione

---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.
Food additive-2, 3-Butanedione ICS 71.100.60 X44 National Standards of People's Republic of China Food additives 2,3-butanedione Posted 2009-04-17 2009-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

4.3,4.4,4.5 this standard is mandatory, the rest are recommended. This standard is adopted to modify the technical specifications of the Codex Alimentarius Commission (CAC) Joint Expert Committee on Food Additives under (JECFA) system Given "diacetyl" (codenamed JECFA408), compared with the CAC (JECFA408), the main technical differences are as follows. --- Remove the freezing point requirements. Appendix A of this standard is an informative annex. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee of Fragrance Flavor and Cosmetic. This standard is drafted by. Tengzhou City, Shandong Province, Wu Tong Spice Co., Ltd. Dalian Jinju Xiang Liu, Shanghai Institute of spices The study. The main drafters of this standard. Shu Hongfu, sand Bin, Xu Yi, Wang Yuling, Dian Chao, Cao Yi. Food additives 2,3-butanedione

1 Scope

This standard specifies the 2,3-butanedione requirements, test methods, inspection rules and signs, packaging, transportation, storage and shelf life. This standard applies to chemical synthesis of 2,3-butanedione.

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 11538-2006 oils by capillary column gas chromatography - General method (ISO 7609. 1985, IDT) GB/T 11539-2008 spices Packed Column Gas Chromatography common method (ISO 7359. 1985, IDT) GB/T 11540 Determination of relative density of spices (GB/T 11540-2008, ISO 279.1998, MOD) GB/T 14454.2 spice aroma evaluation method GB/T 14454.4 spices refractive index measurement (GB/T 14454.4-2008, ISO 280.1998, MOD) 3 Product chemical name, molecular formula, molecular mass and structural formula 3.1 Chemical Name. 2,3-butanedione. 3.2 CAS number. 431-03-8. 3.3 Molecular formula. C4H6O2. 3.4 structural formula. CH3COCOCH3. 3.5 Molecular Weight. 86.09.

4 Requirements

4.1 Appearance. yellow to yellow-green liquid. 4.2 Aroma. with a strong aroma of butter in a very dilute solution. 4.3 The relative density (25 ℃/25 ℃). 0.978 ~ 0.988. 4.4 Refractive index (20 ℃). 1.3920 ~ 1.3980. 4.5 content (GC). ≥98.0%.

5 Test methods

5.1 Verification of Appearance The sample is placed in color than the inner tube, were visually observed. 5.2 Evaluation aroma According to the provisions of GB/T 14454.2 of. 5.3 Determination of relative density According to GB/T 11540 regulations. 5.4 Determination of refractive index According to GB/T 14454.4 of the provisions. 5.5 Determination of content 5.5.1 Instruments a) chromatography According to GB/T 11538-2006 or GB provisions/T 11539-2008 in Chapter 5. b) column Packed or capillary column. c) detector Hydrogen flame ionization detector. 5.5.2 Determination Area normalization method. According to GB/T 11538-2006 or GB/T 11539-2008 10.4 specify the method of determining 2,3-butanedione content. 5.5.3 repeatability and results are shown According to GB/T 11538-2006 or GB/T 11539-2008 provisions in 11.4, shall comply with the requirements. 2,3-butanedione typical gas chromatogram (area normalization method) See Appendix A.

6 Inspection rules

6.1 2,3-butanedione by plant quality inspection department inspection, the manufacturer shall ensure that products conform to the requirements of this standard, each Batch manufactured products should be accompanied by quality certificate. Appearance, aroma, content to factory test items, test type test for the whole project, quarterly Once. 6.2 Acceptance shall be entitled in accordance with the provisions of this standard of product quality inspection received meets the requirements of this standard, for each batch Once acceptance, acceptance of different batches respectively. 6.3 Sampling Method. each batch of packaging units 1 to 2, total pumping; 3 ~ 100 extract 2; 100 more than the increase taking further part 3%. Sampler with a sample drawn from a uniform 50mL ~ 100mL per package unit, all the extracted sample is placed within MIXER Mix well, respectively, into two clean, dry, inert sealed containers, protected from light. Container attach a label stating. manufacturer name, product Name, date of production, batch number, number and date of sampling, with a bottle for examination, another bottle retained for future reference. 6.4 As a result there is an indicator of acceptance does not meet the requirements of this standard, it can be doubled again in conjunction with the production plant to extract a sample reinspection. As reinspection The results are still indicators of failure, then the product can not be accepted. 6.5 When both supply and demand on product quality objection occurs, resolve by mutual agreement or arbitration by the statutory inspection bodies. 7 signs, packaging, transportation, storage and shelf life 7.1 marks Packing of products shall specify. the word, product name, manufacturer name and address, contact details, trademarks, lot number, the net content of "food additive" Production date and shelf life, license number, standard number, and related marks and shall comply with the provisions of relevant laws and regulations. Customers, if you want special Demand, with another production plant set protocol. 7.2 Packaging 2,3-butanedione should be installed in a clean, dry, savor fluorinated polyethylene drums or food-grade plastic bucket, or according to customer requirement. 7.3 Transport During transport should be light light disposal to prevent the sun and rain, can not be mixed with toxic and hazardous substances, mixed operation, and shall conform to the relevant departments Provisions. 7.4 Storage Products should be stored in a cool, dry, ventilated warehouse, avoid mixed air pollution, away from fire. Storage temperature < 18 ℃. 7.5 Shelf Life In compliance with the conditions of storage, packaging integrity, without unsealing the case, the product shelf life of less than one year.

Appendix A

(Informative) 2,3-butanedione typical gas chromatogram (Area normalization method) A. 1 Operating Conditions A. 1.1 Column. capillary column length 50m, an inner diameter of 0.25mm. A. 1.2 stationary phase. PEG20000. A. 1.3 film thickness. 0.25μm. A. 1.4 Chromatography oven temperature. 150 ℃ constant temperature. A. 1.5 Inlet temperature. 250 ℃. A. 1.6 Detector temperature. 250 ℃. A. 1.7 Detector. flame ionization detector. A. 1.8 Carrier gas. nitrogen. A. 1.9 carrier gas flow rate. pre-column pressure 60kPa. A. 1.10 Injection volume. about 0.2μL. A. 1.11 Split ratio. 1/100. A. Figure 2 GC Gas chromatography is shown in Figure A. 1. Figure A. 1 ......

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