GB 28321-2012 English PDF

US$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB 28321-2012: Food additives -- Dodecyl ethyl (Ethyl Laurate)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 28321-2012	139	Add to Cart	3 days	Food additives -- Dodecyl ethyl (Ethyl Laurate)	Valid

Similar standards

GB 28308   GB 28307   GB 28314   GB 28312   GB 28313   GB 28311   

Basic data

Standard ID: GB 28321-2012 (GB28321-2012)
Description (Translated English): Food additives -- Dodecyl ethyl (Ethyl Laurate)
Sector / Industry: National Standard
Classification of Chinese Standard: C54;X40
Classification of International Standard: 67.220.20
Word Count Estimation: 6,641
Regulation (derived from): Ministry of Health Bulletin 2012 No. 7
Issuing agency(ies): Ministry of Health of the People's Republic of China
Summary: This Chinese standard applies to the lauric acid and ethanol as raw materials for food additives twelve measured ethyl (ethyl laurate).

GB 28321-2012: Food additives -- Dodecyl ethyl (Ethyl Laurate)

---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 add.Dodecyl ethyl (Ethyl Laurate) National Standards of People's Republic of China National standards for food safety Food Additives Dodecanoic Acid Ethyl Ester (Ethyl Laurate) 2012-04-25 release 2012-06-25 Implementation Issued by the Ministry of Health of the People's Republic of China National standards for food safety Food Additives Dodecanoic Acid Ethyl Ester (Ethyl Laurate)

1 Scope

This standard applies to dicarboxylic acid and ethanol as raw materials prepared by the food additive dodecanoic acid ethyl ester (ethyl laurate). 2 chemical name, molecular formula, structural formula and relative molecular mass 2.1 Chemical name Ethyl dodecanoate 2.2 Molecular formula C14H28O2 2.3 Structural formula CH3 (CH2) 10COOCH2CH3 2.4 Relative molecular mass 228.38 (according to.2007 International relative atomic mass)

3 technical requirements

3.1 sensory requirements. should be consistent with the provisions of Table 1. Table 1 sensory requirements The project requires a test method Color and colorless Organizational state Oily liquid Place the sample in a colorimetric tube with visual inspection Observation of law Aroma fruity, fragrance GB/T 14454.2 3.2 Physical and chemical indicators. should be consistent with the provisions of Table 2. Table 2 Physical and chemical indicators Item Index Test Method Solubility (25 ° C) 1 mL The sample is fully dissolved in 9 mL of 80% by volume ethanol. GB/T 14455.3 Ethyl dodecanoate content, w /% ≥ 98.0 Appendix A Acid value (in KOH)/(mg/g) ≤ 1.0 GB/T 14455.5 Refractive index (20 ° C) 1.430 ~ 1.434 GB/T 14454.4 Relative density (25 ℃/25 ℃) 0.858 ~ 0.863 GB/T 11540

Appendix A

Determination of ethyl dicarboxylate content A.1 Instruments and equipment A.1.1 chromatograph. according to GB/T 11538-2006 in Chapter 5 of the provisions. A.1.2 Column. Capillary column. A.1.3 Detector. Hydrogen flame ionization detector. A.2 Determination method Area normalization method. according to GB/T 11538-2006 10.4 determination of content. A.3 repeatability and result representation According to GB/T 11538-2006 11.4 implementation of the provisions. Food Additives Dodecanoic Acid Typical Gas Chromatography (Area Normalization) See Appendix B.

Appendix B

Food additive Dodecanoic acid ethyl ester Typical gas chromatogram (Area normalization method) B.1 Food additive Dodecanoic acid ethyl ester Typical gas chromatogram Food additives Dioic acid ethyl ester Typical gas chromatograms are shown in Figure B.1. Figure B.1 Food additive Dodecanoic acid ethyl ester Typical gas chromatogram B.2 Operating conditions B.2.1 Column. capillary column, length 30m, inner diameter 0.32mm. B.2.2 Stationary phase. (5% phenyl) methylpolysiloxane. B.2.3 Film thickness. 0.25 μm. B.2.4 chromatographic furnace temperature. 180 ℃ constant temperature 3min, and then linear program temperature from 180 ℃ ~ 260 ℃, the rate of 8 ℃/min, and finally in 260 ℃ constant temperature 10min. B.2.5 Inlet temperature. 250 ° C. B.2.6 Detector temperature. 300 ° C. B.2.7 Detector. Hydrogen flame ionization detector. B.2.8 Carrier gas. nitrogen. B.2.9 Pre-column pressure. 90 kPa. B.2.10 Injection volume. 0.2 μL. B.2.11 Split ratio. 1/50. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB 28321-2012_English be delivered?

Answer: Upon your order, we will start to translate GB 28321-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB 28321-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB 28321-2012_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.