Wani A A, Hadi S M, Ahmad N S
Experientia. 1978 Mar 15;34(3):392-4. doi: 10.1007/BF01923056.
Hydroxyapatite chromatography has been used to demonstrate that alkylation of DNA at neutral pH may lead to denaturation under conditions where no significant depurination occurs. Presence of salt has a preventive effect on such denaturation.