[Product Name]Gas chromatograph for quality inspection of Baijiu
[Product features] Baijiu analyzer is a high performance price ratio, complete dual gas circuit design: it can be installed with FID, TCD, FPD or FID, TCD, ECD three detectors at the same time, the instrument can be installed with a packed column and a pair of capillary columns at the same time, dual capillary dual amplifier and other types of optional. Choose from five detectors and methane converters, ceramic or quartz nozzles.
[Scope of Use] Baijiu has complex flavor components. In addition to ethanol and water, there are a large number of aroma components. The quality style of Baijiu is composed of the types of flavor components contained in the liquor and their quantity ratio. The content of alcohols, esters, organic acids, carbon based compounds, phenols and high boiling point compounds in Baijiu can be quickly and accurately measured by gas chromatography.
[Method of use] Gas chromatographic analysis principle of Baijiu: after the sample is gasified, it enters the chromatographic column with the carrier gas, and is separated by the difference of migration speed in the column due to the different distribution coefficients of the measured components in the gas-liquid two phases. Baijiu analysis method: the separated Baijiu components successively flow out of the chromatographic column, enter the detector, and are qualitatively determined by comparing the retention values of each component peak on the chromatogram with the standard sample; Quantitative analysis using internal standard method based on peak area (or peak height).
[Product Configuration]

1.Gas chromatograph for quality inspection of Baijiu1 hydrogen flame detector
2. One set of Baijiu standard samples
3. One Baijiu analysis chromatographic column (packed column or capillary column)
4. Nitrogen, hydrogen, air source (fully automatic) gas purity 99.999% 1 set
5. One set of data processing system (computer, printer, chromatography workstation)
[Product Analysis Conditions] Chromatograph:(Shandong Tengzhou Zhongke Spectral Analysis Instrument Co., Ltd.), equipped with FID detector;
Chromatography column: DNP mixed column (20% fixed solution of dinitronate phthalate, Tween-60 70% as tail reducer, and white diatomaceous earth Chromosorb W-HP as carrier)
Stainless steel column, Φ 3 × 2m;
Column temperature: 85 ℃~105 ℃;
Vaporization chamber temperature: 130 ℃~145 ℃;
Detector temperature: 130 ℃~145 ℃;
Carrier gas flow rate: High purity nitrogen 25-40mL/min;
Hydrogen flow rate: 40-60mL/min;
Air flow rate: 300~600mL/min;
Injection volume: 0.4uL~luL

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