GB 5009.250-2016 Translated English of Chinese Standard. (GB5009.250-2016): National food safety standard -https://www.chinesestandard.net, 2018年11月30日 - 12 pages This standard specifies the method for the determination of ethyl maltol in food by high-performance liquid chromatography. This standard applies to the determination of content of ethyl maltol in beverages, candies, jellies, meat products, biscuits, bread, cakes, milk powder foods. |
Contents
| 3 | |
Scope | 4 |
Instruments and equipment | 5 |
Expression of analytical results | 7 |
Precision | 8 |
Appendix A Highperformance liquid chromatogram of ethyl maltol | 9 |
Appendix B Confirmation test | 10 |
Common terms and phrases
25 mL stoppered accurate to 0.001 acetonitrile ADD stopper Appendix B Confirmation arithmetic mean CENTRIFUGE chromatogram of ethyl chromatographic peak area chromatography for analysis collision energy Column’s temperature content of ethyl corresponding ethyl maltol Determination of ethyl dihydrogen phosphate solution diode array detector Dry gas’s Figure A.1 Flow rate fragmentation voltage g of specimen GB/T Gradient elution conditions High-performance liquid chromatogram independent determinations obtained liquid chromatography LOAD the filtrate maltol in beverages maltol in food Mass spectrometry conditions meat products membrane to filter methanol method mg/kg microporous membrane milk powder milliliter mL of water mL stoppered test Mobile phase Qualitative confirmation Qualitative ion pair Quantitation ion r/min relative abundance Relative ion abundance sample solution series working solution SHAKE it uniformly sodium dihydrogen phosphate specimen Accurately WEIGH standard curve standard solution standard substance standard working solution stoppered test tube Table B.2 TAKE the supernatant ULTRASONIC volume reach water bath WEIGH 2 g