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Environmental Sciences Europe

Table 2 Molar mass distribution in lysimeter soil extracts determined by GPC based on reference standards

From: Cationic polyacrylamide copolymers (PAMs): environmental half life determination in sludge-treated soil

Sample

M > 300,000 Da

300,000 Da > M > 92,000 Da

92,000 Da > M > 24,000 Da

M < 24,000 Da

1 DAT (Start)

39.8

35.4

14.4

10.4

183 DAT (spring 2013)

34.2

39.0

15.7

11.1

365 DAT (fall 2013)

28.2

39.6

19.7

12.5

578 DAT (spring 2014)

21.7

38.2

23.2

16.9

730 DAT (fall 2014)

20.9

36.8

24.1

18.2

913 DAT (spring 2015)

9.9

31.1

34.5

24.5

  1. Data in % of total signal area
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