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Method for detecting spirit by using chromatographic analysis of spirit

A gas chromatographic analysis, gas chromatographic technology, used in the analysis of materials, measuring devices, material separation, etc.

Inactive Publication Date: 2014-09-17
BEIJING CENT FOR PHYSICAL & CHEM ANALYSIS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can solve the key link of liquor analysis by chromatographic instrument manufacturers and users with gas chromatograph

Method used

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  • Method for detecting spirit by using chromatographic analysis of spirit
  • Method for detecting spirit by using chromatographic analysis of spirit
  • Method for detecting spirit by using chromatographic analysis of spirit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0076] Embodiment 1: chromatographic analysis of ethyl acetate in liquor

[0077] 1. Instrument configuration: packed injector, FID detector, controllable temperature program oven, computer and chromatographic workstation, gas chromatograph (GC-8600 type of Beifen Tianpu Instrument Technology Co., Ltd.).

[0078] 2. Experimental Conditions and Columns

[0079] Chromatographic column: 2m*Φ2mm packed column (stainless steel column), internal stationary phase: 20% DNP+7% Tween 80, and the carrier is Chromosorb W (AW) 80 mesh.

[0080] Injector temperature: 250 degrees. Injection volume 1uL.

[0081] Column temperature: 90 degrees, carrier gas: N 2 30mL / min.

[0082] Detector: 250 degrees, H 2 30mL / min, air 300mL / min.

[0083] 3. Sample to be tested: Hongchao Fen-flavor liquor

[0084] 4. Analysis method: first inject 1uL of liquor qualitative mixed standard sample No. 1 (see the table below) into the chromatograph, and obtain the qualitative template in the workstation. ...

Embodiment 2

[0104] Embodiment 2: ethyl hexanoate chromatographic analysis method in liquor

[0105] 1. Instrument configuration: capillary split injector, FID detector, controllable program temperature rise column oven, computer and chromatographic workstation, gas chromatograph (Shanghai Tianmei GC7900).

[0106] 2. Chromatographic column and experimental conditions:

[0107] Chromatographic column: Quartz capillary column PEG20M cross-linked type 30m*Φ0.32mm, film thickness: 0.5um;

[0108] Injector temperature: 230 degrees, injection volume: 0.8uL;

[0109] Column temperature program: 50 degrees (5min)-5 degrees / min-180 degrees (5min);

[0110] Detector temperature: 230 degrees, H 2 30mL / min, air: 300mL / min;

[0111] Carrier gas: high purity N 2 (purity: 99.99%), flow: 0.8mL / min, split: 80:1.

[0112] 3. Sample: Yingjia Liquor (Luzhou-flavor type)

[0113] 4. Analysis method: first inject 0.8uL of standard sample No. 2 (see the table below) of 31 qualitative components of liquo...

Embodiment 3

[0119] Embodiment 3: β-phenylethanol analysis method in liquor

[0120] 1. Instrument configuration: same as embodiment 2;

[0121] 2. Chromatographic column and experimental conditions: with embodiment 2;

[0122] 3. Sample: Pagoda Baijiu (rice flavor, 3 years);

[0123] 4. Analytical method: first inject 0.8uL of mixed standard sample No. 2 of 31 qualitative components of liquor into the chromatographic instrument, and obtain the qualitative template on the chromatographic workstation. Measure 0.1mL internal standard solution (1% n-butyl acetate) into a 10mL volumetric flask, fill to the mark with liquor sample, and shake well. Use a 1uL micro-syringe to draw 0.8uL plus internal standard sample and inject it into the chromatographic instrument, get the chromatogram of the sample on the workstation, and use the standard sample qualitative template to characterize the peaks of β-phenylethanol and other components according to the retention time. The contents of β-phenylethano...

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Abstract

The invention provides an application package for liquor chromatographic analysis, including gas chromatography analysis instrument experimental conditions, a special chromatographic column for liquor gas chromatography detection, liquor standard samples and standard spectra, liquor gas chromatography analysis method and technical points. The invention relates to four main components of four types of liquor, the main components are ethyl acetate (flavour type), ethyl caproate (flavor type), β-phenylethyl alcohol (rice type) and 3-methylthiopropane Alcohol (sesame flavor), improved analysis scheme, including a complete set of two chromatographic columns to complete the four specified components, as well as corresponding experimental conditions, detailed qualitative, quantitative, and reproducible analytical techniques. At the same time, there are two kinds of qualitative standard samples and corresponding chromatograms in the package, which can help users to quickly complete the qualitative analysis of all components of liquor; equipped with quantitative standard samples and reference correction factor tables for each component, they can quickly and easily complete the complete analysis of liquor components. Component quantification.

Description

technical field [0001] The invention relates to the technical field of wine analysis, in particular to a liquor chromatographic analysis application package, a liquor gas chromatography analysis system and a liquor detection method using the system. Background technique [0002] Chromatography is a physical and chemical analysis method, which uses the difference in the distribution coefficient of each substance in the mixture between the two phases. When the solute moves relatively between the two phases, each substance is distributed multiple times between the two phases, so that each component can be obtained. separate. Chromatography has many advantages, such as high separation efficiency, wide application range, fast analysis speed, less sample consumption and high sensitivity, separation and determination can be completed at one time, easy to automate, and can be used in industrial processes. [0003] The analysis and detection of liquor is the basic requirement of fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N30/88
Inventor 武杰程劲松桂三刚张经华陈舜琮汪雨陈芃
Owner BEIJING CENT FOR PHYSICAL & CHEM ANALYSIS