C=OC=OC=O বন্ধন =(1700–1740) cm−1,C−H= (1700 – 1740) \ cm^{-1}, C - H=(1700–1740) cm−1,C−H বন্ধন =(2700−2900)cm−1= (2700 - 2900) cm^{-1}=(2700−2900)cm−1
C=OC=OC=O বন্ধন =(1700–1740) cm−1C−H=1000cm−1= (1700 – 1740) \ cm^{-1}C-H=1000cm^{-1}=(1700–1740) cm−1C−H=1000cm−1
C=OC=OC=O বন্ধন =(1680–1740) cm−1,C−H= (1680 – 1740) \ cm^{-1}, C - H=(1680–1740) cm−1,C−H বন্ধন =1000−1200)cm−1= 1000 - 1200) cm^{-1}=1000−1200)cm−1
C=OHC=OHC=OH বন্ধন =(1720–1740) cm−1,C−H=1200 cm−1= (1720 – 1740) \ cm^{-1}, C - H = 1200 \ cm^{-1}=(1720–1740) cm−1,C−H=1200 cm−1
