Dialysis Pretreatment for Dissolved Organic Nitrogen Analysis in Freshwaters

Table 2

The removal percentages of NH₃-N (()), NO₃-N (()), and the ratio of [DIN] removal/[TDN] removal in (()).

Sample #	Dialysis against Millipore water			Dialysis against buffer
	α() %	β() %	γ() %	α() %	β() %	γ() %
Sample #1 (Site 1)	100	86	98	80	36	51
Sample #2 (Site 1)	93	72	107	90	24	109
Sample #3 (Site 2)	94	90	94	91	35	67
Sample #4 (Site 2)	92	67	103	88	20	81
Sample #5 (Site 5)	92	68	103	88	20	77
Sample #6 (Site 7)	94	84	99	88	61	86
Sample #7 (Site 9)	100	97	105	100	89	103
Sample #8 (Site 9)	100	98	110	99	91	106
Sample #9 (Site 9)	100	98	107	99	93	106
Sample #10 (Site 10)	100	98	102	99	96	99
Sample #11 (Site 10)	100	94	112	99	85	108
Sample #12 (Site 10)	100	90	105	99	93	101
Sample #13 (Site 11)	99	98	109	90	96	106
Sample #14 (Site 12)	90	93	95	85	33	91
Sample #15 (Site 13)	98	63	96	85	22	98