Dilution Rate                     Scale                                     Common Notations
1:10                                        Decimal                              X, D, DH
1:100                                     Centesimal                         C,
CH, CK
1:1000                                   Millesimal                          M
1:50,000                               Quintamillesimal               LM, Q
1:100,000                             100
millesimal                  CM
 
