GB 1886.200-2016Food additive -- Oil of geranium (Pelargonium gravedens Her.) (English PDF)

2.1 Chemical Name

Benzyl acetate

Formula 2.2

C9H10O2

2.3 Formula

2.4 Relative molecular mass

150.18 (according to 2007 international relative atomic mass)

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 Liquid state the sample was placed in a cuvette, were visually observed the aroma of sweet, fruity, jasmine-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.

GB 1886.201-2016

Table 2. Physical and chemical indicators

Item Index Test Method Benzyl acetate content, w /% >= 98.0 Appendix A Acid value (in dollars KOH)/(mg/g) <= 1.0 GB/T 14455.5 Refractive index (20 °C) 1.500 ~ 1.504 GB/T 14454.4 the relative density (25 °C/25 °C) 1.049 ~ 1.059 GB/T 11540 Trace chlorine test by GB/T 14454.12 GB 1886.201-2016 Appendix A Determination of the content of benzyl acetate 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 benzyl acetate gas chromatograph and operating conditions, see Appendix B.

GB 1886.201-2016

Appendix B

Food Additives benzyl acetate gas chromatograph and operating conditions (Area normalization method) B.1 food additives benzyl acetate gas chromatogram Food Additives benzyl acetate by gas chromatography is shown in Figure B.1.

Figure B.1 food additives benzyl acetate gas chromatogram

B.2 operating conditions B.2.1 Column. capillary column length 30m, an inner diameter of 0.53mm.

B.2.2 stationary phase. 100% dimethyl polysiloxane.

B.2.3 film thickness. 1.5µm.

B.2.4 chromatography oven temperature. linear temperature programmed from 70 °C to 180 °C, the rate of 5 °C/min; then linear temperature program from 180 °C to 260 °C, the rate of 10 °C/min, and finally at 260 °C constant temperature 10min.

B.2.5 Inlet temperature. 260 °C.

B.2.6 detector temperature. 260 °C.

B.2.7 Detector. Hydrogen flame ionization detector.

B.2.8 carrier gas. nitrogen.

Before B.2.9 column pressure. 30kPa.

B.2.10 Injection volume. 0.2µL.

B.2.11 split ratio. 80.1.