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Determination of Phthalates in Soil by Gas Chromatography/Mass Spectrometry (2)

 Last Update: 2022-02-26
 Source: Internet
 Author: User

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converse reference

spin column

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Six, analysis and testing

(1) Instrument conditions (for reference only, can be adjusted appropriately according to the actual instrument)

Inlet temperature: 250℃;

Injection volume: 1.

Column flow: 1.

Sampling method: splitless sampling;

Chromatographic column: HP-5MSUI (30m×0.

Transmission pipeline temperature: 280℃

Solvent delay time: 10min;

Ion source: EI;

Ionization energy: 70eV;

Ion source temperature 230℃;

Scan mode: SIM mode, the scan time range and scan ions are shown in Table 7-3

Table 7-3 Scan time period and scan ion

(2) Calibration curve

Prepare a standard series of more than 5 points (such as 5.

Table 7-4 Retention time and qualitative and quantitative ions

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