CN103743834A - Detection method for food preservative, propionic acid - Google Patents
Detection method for food preservative, propionic acid Download PDFInfo
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- CN103743834A CN103743834A CN201310715923.0A CN201310715923A CN103743834A CN 103743834 A CN103743834 A CN 103743834A CN 201310715923 A CN201310715923 A CN 201310715923A CN 103743834 A CN103743834 A CN 103743834A
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- propionic acid
- detection method
- food preservative
- gas chromatography
- capillary gas
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Abstract
The invention discloses a detection method for a food preservative, propionic acid. Capillary gas chromatography using an internal standard is used for measurement. The detection method has the beneficial effects of being simple to operate, high in speed and sensitivity and high in precision and accuracy, and reaching the limit of detection of 1.5mg/L.
Description
Technical field
The present invention relates to the detection method of food preservative propionic acid.
Background technology
Propionic acid is the carboxylic acid of three carbon, and pure propionic acid is colourless, corrosive liquid, with penetrating odor.Its main application is: as solvent, plastifier, chemical reagent and the synthetic food raw material etc. of esterifying agent, cellulose nitrate.
Summary of the invention
Object of the present invention is exactly for above-mentioned defect of the prior art, and a kind of detection method of food preservative propionic acid is provided.
To achieve these goals, technical scheme provided by the invention is: the detection method of food preservative propionic acid is to adopt capillary gas chromatography internal standard method to measure.
Further, the detection method of above-mentioned food preservative propionic acid, in described capillary gas chromatography internal mark method determination process, the sample pre-treatments of vapor-phase chromatography is first with hcl acidifying, use again extracted by ether, then with the washing of sodium chloride acid solution, after anhydrous sodium sulfate layer, after volatilizing, water-bath uses again sherwood oil-ether dissolution.
Beneficial effect of the present invention is: the detection method of food preservative propionic acid provided by the invention, and method is simple, quick, highly sensitive, has good precision and accuracy, and detection limit can reach 1.5mg/L.
Embodiment
embodiment 1:
The detection method of food preservative propionic acid, to adopt capillary gas chromatography internal standard method to measure, wherein, the sample pre-treatments of vapor-phase chromatography is first with hcl acidifying, use again extracted by ether, then with the washing of sodium chloride acid solution, after anhydrous sodium sulfate layer, after volatilizing, water-bath uses again sherwood oil-ether dissolution.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (2)
1. the detection method of food preservative propionic acid, is characterized in that, is to adopt capillary gas chromatography internal standard method to measure.
2. the detection method of food preservative propionic acid according to claim 1, it is characterized in that, in described capillary gas chromatography internal mark method determination process, the sample pre-treatments of vapor-phase chromatography is first with hcl acidifying, use again extracted by ether, then with the washing of sodium chloride acid solution, after anhydrous sodium sulfate layer, after volatilizing, water-bath uses again sherwood oil-ether dissolution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310715923.0A CN103743834A (en) | 2013-12-23 | 2013-12-23 | Detection method for food preservative, propionic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310715923.0A CN103743834A (en) | 2013-12-23 | 2013-12-23 | Detection method for food preservative, propionic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103743834A true CN103743834A (en) | 2014-04-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310715923.0A Pending CN103743834A (en) | 2013-12-23 | 2013-12-23 | Detection method for food preservative, propionic acid |
Country Status (1)
| Country | Link |
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| CN (1) | CN103743834A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101865A (en) * | 2017-05-12 | 2017-08-29 | 泉州医学高等专科学校 | The extracting method of propionate in a kind of food |
| CN107367420A (en) * | 2017-07-13 | 2017-11-21 | 广州品悦生物科技有限公司 | A kind of method of fast joint quantitative determination propionic acid and propionic acid ammonium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2727891A1 (en) * | 2011-01-14 | 2012-07-14 | Rui Rong Jiang | Method for measuring total content of natural brassinosteroids using chromatography apparatus |
| CN102798688A (en) * | 2012-08-09 | 2012-11-28 | 北京旭阳化工技术研究院有限公司 | Method for determining contents of methyl propionate, methyl methacrylate and propionic acid by gas chromatography internal standard method |
-
2013
- 2013-12-23 CN CN201310715923.0A patent/CN103743834A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2727891A1 (en) * | 2011-01-14 | 2012-07-14 | Rui Rong Jiang | Method for measuring total content of natural brassinosteroids using chromatography apparatus |
| CN102798688A (en) * | 2012-08-09 | 2012-11-28 | 北京旭阳化工技术研究院有限公司 | Method for determining contents of methyl propionate, methyl methacrylate and propionic acid by gas chromatography internal standard method |
Non-Patent Citations (3)
| Title |
|---|
| 张凤枰等: "毛细管气相色谱内标法测定防霉剂中丙酸", 《分析测试技术与仪器》 * |
| 顾秀英等: "毛细管气相色谱内标法测定食品中多种常见防腐剂的含量", 《食品科技》 * |
| 鲍忠定等: "毛细管气相色谱内标法同时测定食品中8 种防腐剂", 《分析化学》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101865A (en) * | 2017-05-12 | 2017-08-29 | 泉州医学高等专科学校 | The extracting method of propionate in a kind of food |
| CN107367420A (en) * | 2017-07-13 | 2017-11-21 | 广州品悦生物科技有限公司 | A kind of method of fast joint quantitative determination propionic acid and propionic acid ammonium |
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Application publication date: 20140423 |