示例#1
0
 def permethylated_molecular_weight(self,adduct='C2H6O'):
     return self.permethylated_elemental_composition().mass(elmt) + \
            Composition.fromstr(adduct).mass(elmt)
示例#2
0
 def underivitized_molecular_weight(self,adduct='H2O'):
     return self.native_elemental_composition().mass(elmt) + \
            Composition.fromstr(adduct).mass(elmt)