gx_song
第1楼2013/10/15
Acording to the procedure outlined by Kendrick, the mass of CH2 is defined as exactly 14 Da, instead of the IUPAC mass of 14.01565 Da.
KMD= Defined as the exact Kendrick mass subtracted from the nominal (integer) Kendrick mass
计算出的Kendrick质量数(整数),减去精确计算的质量数(exact mass),定义为Kendrick质量亏损。
因此,相同类型的分子,只是有不同的CH2单位的分子含有相同的KMD