Working principle and configuration of gas chromatograph for liquor composition analysis

Beijing Huasheng Spectrum Instrument Co., Ltd.

one,

Technical field

This equipment involves wine

analysis

The technical field, in particular, relates to a liquor chromatography application package, and a liquor gas chromatography analysis system and a method for detecting liquor using the system. Chromatography is a physical and chemical analysis method that utilizes the difference in partition coefficients between two phases of a mixture of substances. When the solute moves relative to each other, the materials are distributed multiple times between the two phases, so that the components are obtained. Separation. Chromatography has many advantages. It has high separation efficiency, wide application range, fast analysis speed, low sample consumption and high sensitivity. Separation and measurement are completed at one time, easy to automate, and can be used in industrial processes.

Second, the characteristics of the introduction

1

The analysis and testing of liquor is the basic requirement for food safety and product quality. Liquor Chromatography is an analysis project with Chinese characteristics.

3

More than 10,000 homes, corresponding to thousands of other liquor testing institutions. The determination of methanol, heavy metals (lead, manganese), miscitol, and food additives in liquor is a project that must be enforced in the national standards; ethanol concentration, total acid, total ester, solids and characteristic aroma The determination of the content of the ingredients is an item of product quality standard testing. In the production process control, through the analysis and detection of liquor quality indicators such as total acid, total ester, ethanol concentration and aroma component content, the quality can be judged initially, and it can be traced back to the control of production process and scientific research, such as Dregs fermentation, product design, wine processing, new product development, process innovation detection and control, etc. Therefore, the analysis and testing of liquor has an important role and significance in the monitoring and quality control of liquor production. The monitoring of liquor market and the identification of real wine and fake wine are also major concerns of the people.

2

The white liquor chromatography analysis application package described in this device is an innovative new product, and its use is matched with gas chromatography to form a complete set of liquor chromatography analysis solution.

"

Liquor special gas chromatograph

”

. Including qualitative methods, quantitative methods, precision test methods, technical points of actual analysis of liquor. Also includes sample injection method, column installation method, and auxiliary

instrument

How to use the gas source and chromatography workstation. The improvement of the present invention compared to the prior art is:

1

The detection of four types of mainstream liquor can be completed with two columns;

2

The standard samples provided at the same time enable users to quickly and easily determine the qualitative and quantitative analysis of the ingredients in the liquor;

3

Providing a standard chromatogram is a quick judgment of the user on the instrument conditions and experimental results;

4

Using the results of component analysis, data can be provided for the improvement of liquor products, and scientific discrimination can be made for true and false liquors;

5

The detailed introduction of the analysis method enables the user to quickly learn how to do liquor analysis;

6

Higher precision and accuracy for product quality control;

7

The capillary chromatography was used to analyze the qualitative and quantitative data of all components of liquor, and the similarity of white wine chromatographic similarity was used to describe the scientific basis of liquor quality change and true and false liquor.

3

In summary, the present invention relates to components of four main types of liquor, the main components being ethyl acetate (fresh type), ethyl hexanoate (flavor type),

B

Monophenylethyl alcohol (rice type),

3

Monomethylthiopropanol (sesame type), an improved analytical program, including a complete set of two columns to complete the four specified components, and the corresponding experimental conditions, detailed qualitative, quantitative, reproducible analytical techniques. At the same time, there are two qualitative standards and corresponding chromatograms in the package, which can help the user to quickly complete the qualitative determination of all components of the liquor. The quantitative standard and the reference component correction factor table provided can quickly and easily complete the whole component quantification of liquor.

Beijing Huasheng Spectrum Instrument Co., Ltd.

Produced exclusively for wineries

Liquor analysis gas chromatograph

Using a hydrogen flame ionization detector,

DNP

The column is packed to complete the analysis of more than ten components such as alcohol, aldehyde and ester in the liquor. It is also possible to use a capillary column to analyze forty components of alcohol, aldehyde, ester, acid, etc. in liquor. The results of the analysis are in full compliance with international standards.

With white wine composition analysis chromatograph configuration:

SP-2100A

The instrument has a stylish appearance, beautiful appearance, humanized design, and convenient operation. Full microcomputer control, Chinese interface, large screen LCD display, stable performance. The instrument can be widely used in environmental protection, environmental monitoring, agricultural, petrochemical enterprises in the routine analysis of control and detection, can also be used for routine analysis of medicine, health and epidemic prevention and research institutions; can also be converted into dedicated chromatography according to different needs of users instrument.

SP-2100A

main feature

The appearance is fashionable and beautiful: in the advantage of keeping the original structure simple, the modern industrial design is adopted, and the combination of color and line is emphasized, so that the color and shape of the product are humanized.

Simple operation: the instrument adopts large-screen liquid crystal display, full Chinese operation interface, convenient for user operation; screen switching is simple and clear, all electrical control parameter settings and faults of the instrument are displayed, allowing the operator to master in a short time How to use the instrument.

Self-diagnosis function: After starting the instrument, the instrument can diagnose each part of the electrical unit and display the diagnosis result in time.

Four independent temperature control systems: oven, injector box,

TCD

Both the detector box and the ionization detector box can independently control their temperature.

Real-time zero adjustment: The output can be zeroed in real time before analysis.

Fifth-order temperature programming: heating rate

0.1~30°C/min

Optional.

Injector: Three sets of fill injectors or two capillary injectors can be installed simultaneously.

Four detectors are available:

TCD

,

FID

,

ECD

,

FPD

Simultaneous installation

3

Kind of detector.

Detector

TCD

Sensitivity

≥5000mV.ml/mg(n-C16)

FID

Detection limit

≤1×10-11g/S (n-C16)

ECD

Detection limit

≤4×10-13g/S (

Hexachlorobenzene

)

FPD[P]

Detection limit

≤5×10-12g/S (

Methyl parathion

)

[S]

Detection limit

≤1×10-10g/S (

Methyl parathion

)

Temperature Control Chromatography Box: Above Room Temperature

20 ° C

~

400 ° C

Injection box: above room temperature

20 ° C

~

400 ° C

Ionization box: above room temperature

20 ° C

~

400°CTCD

Monitor box: above room temperature

20 ° C

~

350 ° C

Power supply:

AC220V±22V

50Hz±0.5Hz

15A

Dimensions: high

×

width

×

deep

445×550×560mm3

Net weight: about

38Kg

Full service

Before purchasing the instrument, we will assist you in fully understanding the performance characteristics of the instrument and the comprehensive consulting services for instrument selection. According to customer needs, we can provide you with the equipment of the instrument, such as: chromatography workstation, nitrogen and hydrogen generator, standard gas, column and so on. After purchasing the instrument, professional technicians will be sent to the door for free installation, start-up and commissioning, and the company will supply the vulnerable and consumable parts of the instrument for a long time.