Research Article

The Influence of Phosphate Buffer on the Formation of N-Nitrosodimethylamine from Dimethylamine Nitrosation

Table 1

Buffer solution (pH = 6.4) preparation.

Buffer typeNa2HPO4/C6H8O7, 
0.1 M
Na3(C6H5O7)/C6H8O7, 
0.1 M
NaH2PO4/NaOH, 
0.05 M
NaH2PO4/Na2HPO, 
0.2 M

Volume (mL)13.85/6.15
(20, total)
2.0/18.0
(20, total)
5.0/1.26
(dilute to 20, total)
5.3/14.7
(20, total)