Combined determination and confirmation of ethylenethiourea and propylenethiourea residues in fruits at low levels of detection

Medicine & Life Sciences

• acetonitrile 16%
• Ethylenethiourea 72%
• Fragaria 20%
• Fruit 37%
• Gas Chromatography-Mass Spectrometry 15%
• High Pressure Liquid Chromatography 33%
• Malus 17%
• propylenethiourea 100%
• Solid Phase Extraction 18%
• Vegetables 26%
• Weights and Measures 8%

Agriculture & Biology

• acetonitrile 9%
• apples 6%
• chemical species 9%
• diodes 29%
• fruits 9%
• gas chromatography 7%
• high performance liquid chromatography 19%
• liquids 11%
• mass spectrometry 6%
• methodology 6%
• pomace 49%
• purification methods 9%
• solid phase extraction 10%
• standard deviation 7%
• strawberries 7%
• vegetables 12%

Chemistry

• Acetonitrile 9%
• Ethylenethiourea 63%
• Gas Chromatography 10%
• Liquid Chromatography 29%
• Mass Spectrometry 8%
• Matrix Solid Phase Dispersion 18%
• Purification 9%
• Weight 7%