GB 1886.196-2016Food additive -- Ethyl hexanoate (English PDF)

2.1 Chemical Name

Ethyl hexyl

Formula 2.2

C8H16O2

2.3 Formula

2.4 Relative molecular mass

144.21 (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 Color colorless Liquid state the sample was placed in a cuvette, were visually observed the aroma of the wine-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 °C) 1mL sample soluble in 3mL70% (volume fraction) ethanol GB/T 14455.3 Ethyl acetate content, w /% >= 98.0 Appendix A Acid value (in dollars KOH)/(mg/g) <= 1.0 GB/T 14455.5 Refractive index (20 °C) 1.406 ~ 1.409 GB/T 14454.4 the relative density (25 °C/25 °C) 0.867 ~ 0.871 GB/T 11540 Appendix A Determination of the content of ethyl caproate 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 additive ethyl caproate gas chromatograph and operating conditions, see Appendix B.

Appendix B

Food additive ethyl caproate gas chromatograph and operating conditions (Area normalization method) B.1 food additive ethyl hexyl gas chromatogram Food additive ethyl hexyl gas chromatography is shown in Figure B.1.

Figure B.1 food additive ethyl hexyl 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.