HPLC Analysis of Ethephon in Hydrogen-Bonding Mode

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Chromatogram

Description

Ethephon is an important compound for the agricultural industry. It can be corrosive, but metabolizes to ethylene quickly in plants. Ethephon was retained on SHARC 1 HILIC/anion-exclusion column. Retention was controlled by adjusting methanol in mobile phase to suppress hydrogen bonding.

Method Parameters

Mobile PhaseGradient MeCN/MeOH – 90/10% to 50/50, 6 min
BufferAmmonia – 30 mM
Flow Rate1.0 ml/min
DetectionELSD
Class of CompoundsHydrophilic, Ionizable
Analyzing CompoundsEthephon

HPLC Column Used

Sharc 1, 3.2×100 mm, 5 µm, 100A