GB 29971-2013 English PDF

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GB 29971-2013: Food additive -- Benzaldehyde glycol acetal
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 29971-2013	189	Add to Cart	3 days	Food additive -- Benzaldehyde glycol acetal	Valid

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Basic data

Standard ID: GB 29971-2013 (GB29971-2013)
Description (Translated English): Food additive -- Benzaldehyde glycol acetal
Sector / Industry: National Standard
Classification of Chinese Standard: C53
Classification of International Standard: 67.020
Word Count Estimation: 8,819
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: benzaldehyde glycol acetal.

GB 29971-2013: Food additive -- Benzaldehyde glycol acetal

---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-Benzaldehyde glycol acetal National Standards of People's Republic of China National Food Safety Standard Food additives benzaldehyde propanediol acetal Issued on. 2013-11-29 2014-06-01 implementation National Food Safety Standard Food additives benzaldehyde propanediol acetal

1 Scope

This standard applies to benzaldehyde and 1,2-propanediol for raw materials of food additives benzaldehyde propanediol acetal. 2 chemical name, molecular formula, molecular mass and structural formula 2.1 Chemical Name Formula 2.2 C10H12O2 2.3 formula 2.4 relative molecular mass 164.20 (according to 2007 international relative atomic mass)

3 Technical requirements

3.1 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, the specimen was placed inside color than the tube, were visually observed Liquid state Aroma soft almond-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 Benzaldehyde propanediol acetal content, w /% ≥ 98.0 Appendix A Acid value (in dollars KOH)/(mg/g) ≤ 1.0 GB/T 14455.5 Refractive index (20 ℃) 1.506 ~ 1.516 GB/T 14454.4 The relative density (25 ℃/25 ℃) 1.061 ~ 1.071 GB/T 11540

Appendix A

Determination of benzaldehyde glycol acetal 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. A.3 repeatability and results are shown According to GB/T 11538-2006 provisions in 11.4, shall comply with the requirements. Food additives benzaldehyde propanediol acetal gas chromatograph (area normalization method) See Appendix B.

Appendix B

Food additives benzaldehyde propanediol acetal gas chromatogram (Area normalization method) B.1 food additives benzaldehyde propanediol acetal gas chromatogram Figure B.1. Figure B.1 food additives benzaldehyde propanediol acetal 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% diphenyl-95% dimethylpolysiloxane. B.2.3 film thickness. 1.0 μm. B.2.4 chromatography oven temperature. 150 ℃ constant temperature 3 min; then linear temperature program from 150 ℃ ~ 250 ℃, the rate of 10 ℃/min; final At 250 ℃ thermostat 5 min. B.2.5 Inlet temperature. 250 ℃. B.2.6 detector temperature. 280 ℃. B.2.7 Detector. Hydrogen flame ionization detector. B.2.8 carrier gas. nitrogen. B.2.9 pre-column pressure. 120 kPa. B.2.10 Injection volume. 0.1 μL. B.2.11 split ratio. 50︰1. ......

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