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Date: 10-8-2019
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Date: 13-1-2022
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Date: 2-1-2020
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The carbonyl stretching vibration band C=O of saturated aliphatic ketones appears:
C=O stretch
Figure 8. shows the spectrum of 2-butanone. This is a saturated ketone, and the C=O band appears at 1715.
Figure 8. Infrared Spectrum of 2-Butanone
If a compound is suspected to be an aldehyde, a peak always appears around 2720 cm-1 which often appears as a shoulder-type peak just to the right of the alkyl C–H stretches.
H–C=O stretch 2830-2695 cm-1
C=O stretch
Figure 9. shows the spectrum of butyraldehyde.
Figure 9. Infrared Spectrum of Butyraldehyde
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إدارة الغذاء والدواء الأميركية تقرّ عقارا جديدا للألزهايمر
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شراء وقود الطائرات المستدام.. "الدفع" من جيب المسافر
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ضمن مؤتمر الإمام الحجة(عجل الله فرجه) العلمي باحث كويتي يناقش إثبات ولادة الإمام المهدي (عجّل الله فرجه) من التّوقيعات الشّريفة
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