GB 29955-2013 English PDFUS$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 29955-2013: Food additive -- Undecalactone Status: Valid
Basic dataStandard ID: GB 29955-2013 (GB29955-2013)Description (Translated English): Food additive -- Undecalactone Sector / Industry: National Standard Classification of Chinese Standard: C53 Classification of International Standard: 67.020 Word Count Estimation: 8,858 Regulation (derived from): China Food & Drug Administration [2013] No. 234, November, 1, 2013 Issuing agency(ies): National Health and Family Planning Commission of the People's Republic of China Summary: This standard applies to food additives: Undecalactone. GB 29955-2013: Food additive -- Undecalactone---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-Undecalactone National Standards of People's Republic of China National Food Safety Standard Food Additives δ- undecalactone Issued on. 2013-11-29 2014-06-01 implementation National Food Safety Standard Food Additives δ- undecalactone 1 ScopeThis standard applies to the cyclopentanone and hexanal for raw materials of food additives δ- undecalactone. 2 chemical name, molecular formula, molecular mass and structural formula 2.1 Chemical Name Yl 1,6-tetrahydro-2-pyrone Formula 2.2 C11H20O2 2.3 formula 2.4 relative molecular mass 184.28 (according to 2007 international relative atomic mass)3 Technical requirements3.1 Sensory requirements Sensory requirements shall comply with the requirements of Table 1. Table 1 Sensory requirements Project requires test methods Colorless to pale yellow color of the sample was placed inside color than the tube, were visually observed Liquid state Aroma creamy, peach-like aroma GB/T 14454.2 3.2 Physical and Chemical Indicators 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 ℃) 1 mL sample soluble in 1 mL 95% (volume fraction) ethanol GB/T 14455.3 δ- undecalactone content, w /% ≥ 98.0 Appendix A Refractive index (20 ℃) 1.457 ~ 1.461 GB/T 14454.4 The relative density (25 ℃/25 ℃) 0.956 ~ 0.961 GB/T 11540Appendix ADetermination of the content of δ- undecalactone A.1 instruments and equipment A.1.1 chromatograph. According to GB/T 11538-2006 provisions in Chapter 5. A.1.2 Column. capillary column. A.1.3 Detector. Hydrogen flame ionization detector. A.2 Determination Area normalization method. According to GB/T 11538-2006 10.4 Determination. Sample Preparation. Measure 1 mL sample was dissolved in 4 mL of acetone, shake spare. A.3 repeatability and results are shown According to GB/T 11538-2006 provisions in 11.4, shall comply with the requirements. Food Additives δ- undecalactone gas chromatograph (area normalization method) See Appendix B.Appendix BFood additive gas chromatogram δ- undecalactone (Area normalization method) B.1 food additive gas chromatogram δ- undecalactone Figure B.1. 1-- acetone; 2 - δ- undecalactone. Figure B.1 food additives δ- undecalactone gas chromatogram B.2 operating conditions B.2.1 Column. capillary column, length 30 m, an inner diameter of 0.32 mm. B.2.2 stationary phase. 5% phenyl methyl polysiloxane. B.2.3 film thickness. 0.25 μm. B.2.4 chromatography oven temperature. linear temperature programmed from 50 ℃ ~ 180 ℃, the rate of 4 ℃/min; then linear temperature program from 180 ℃ ~ 250 ℃, rate of 25 ℃/min. B.2.5 Inlet temperature. 250 ℃. B.2.6 detector temperature. 250 ℃. B.2.7 Detector. Hydrogen flame ionization detector. B.2.8 carrier gas. nitrogen. Before B.2.9 column pressure. 34.45 kPa. B.2.10 Injection volume. 0.2 μL. B.2.11 split ratio. 100︰1. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 29955-2013_English be delivered?Answer: Upon your order, we will start to translate GB 29955-2013_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 29955-2013_English with my colleagues?Answer: Yes. The purchased PDF of GB 29955-2013_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. 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