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and Multimode Inlet for Drinking Water Analysis - Agilent Technologies

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PTV - Solvent Vent (elimination) Mode<br />

Syringe<br />

needle<br />

Baffled<br />

Liner<br />

• Set inlet temperature at or<br />

below solvent boiling point<br />

Carrier<br />

• Set high split ratio<br />

Vent<br />

• Inject sample very slowly<br />

into PTV<br />

• Solvent evaporates through<br />

split vent<br />

Sample<br />

Analyte<br />

Solvent<br />

Column<br />

• Close split vent <strong>and</strong> ramp<br />

PTV temperature<br />

• Carry out separation on<br />

analytical column

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