Determination of chemical composition distributions in synthetic polymers

Journal of Chromatography A

Volumn 1037, Issue 1-2, 2004, Pages 329-350

  Philipsen, Harry J A ^a  

^a OCÉ TECHNOLOGIES B V   (Netherlands)

Author keywords

acetonitrile; ACN; AP; atmospheric pressure; atom transfer radical polymerization; ATRP; BD; BLD; block length distribution (of a block copolymer); branching distribution; CCD; chemical composition distribution (of a copolymer chain); DAD

Indexed keywords

COPOLYMERIZATION; DISPERSION (WAVES); LIQUID CHROMATOGRAPHY; MASS SPECTROMETRY; POLYMERS; SIZE EXCLUSION CHROMATOGRAPHY;

END GROUPS; MOLAR MASS; SYNTHETIC POLYMERS;

COMPOSITION;

POLYMER;

CHEMICAL COMPOSITION; CHROMATOGRAPHY; ELUTION; FIELD FLOW FRACTIONATION; GEL PERMEATION CHROMATOGRAPHY; INFRARED SPECTROSCOPY; LIQUID CHROMATOGRAPHY; MASS SPECTROMETRY; MATRIX ASSISTED LASER DESORPTION IONIZATION TIME OF FLIGHT MASS SPECTROMETRY; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; PRIORITY JOURNAL; REVIEW; TEMPERATURE GRADIENT INTERACTION CHROMATOGRAPHY;

CHEMICAL FRACTIONATION; CHEMISTRY, PHYSICAL; CHROMATOGRAPHY, GEL; CHROMATOGRAPHY, LIQUID; MASS SPECTROMETRY; POLYMERS; TEMPERATURE;

EID: 2342635205     PISSN: 00219673     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.chroma.2003.12.047     Document Type: Review

References (192)

1. K. Matyjaszewski (Ed.), Controlled/Living Radical Polymerization, Progress in ATRP, NMP and RAFT, ACS Symposium Series, No. 768, American Chemical Society, Washington, DC, 2000.
2. Lai J.T., Filla D., Shea R. Macromolecules. 35:2002;6754
3. F.A. Bovey, F.H. Winslow, Macromolecules, Academic Press, Orlando, FL, 1979.
4. T.R. Crompton, Analysis of Polymers, an Introduction, Pergamon Press, Oxford, 1989.
5. W.W. Yau, J.J. Kirkland, D.D. Bly, Modern Size Exclusion Chromatography, Wiley, New York, 1979.
6. G. Glöckner, Gradient HPLC of Copolymers and Chromatographic Cross-fractionation, Springer, Berlin, Heidelberg, New York, 1991.
7. H. Pasch, B. Trathnigg, HPLC of Polymers, Springer, Berling, Heidelberg, 1998.
8. Prokai L. Int. J. Polym. Anal. Charact. 6:2001;379
9. Nielen M.W.F. Mass Spectrom. Rev. 18:1999;309
10. P. Kilz, H. Pasch, in: R.A. Meyers (Ed.), Encyclopedia of Analytical Chemistry, Wiley, Chichester, 2000, p. 7495.
11. P. Kilz, Encyclopedia of Chromatography, Marcel Dekker, New York, 2002, p. 1.
12. F.A. Bovey, P.A. Mirau, NMR of Polymers, Academic Press, San Diego, CA, 1996.
13. D.I. Bower, W.F. Maddams, The Vibrational Spectroscopy of Polymers, Cambridge University Press, Cambridge, 1989.
14. S. Liebman, E. Levy, Pyrolysis and GC in Polymer Analysis, Marcel Dekker, New York, 1985.
15. Geissler M. Kunststoffe. 87:1997;194
16. Gorshkov A.V., Much H., Becker H., Pasch H., Evreinov E.E., Entelis S.G. J. Chromatogr. 523:1990;91
17. Philipsen H.J.A., Klumperman B., van Herk A.M., German A.L. J. Chromatogr. A. 727:1996;13
18. Skvortsov A.M., Gorbunov A.A. Polym. Sci. USSR. 21:1979;371
19. P. Flory, Principles of Polymer Chemistry, Cornell University Press, Ithaca, NY, 1953.
20. Montaudo M.S., Puglisi C., Samperi F., Montaudo G. Polym. Prepr. 41:2000;686
21. B. Trathnigg, in: T. Provder (Ed.), Chromatography of Polymers: Hypenated and Multidimension Techniques, ACS Symposium Series, No. 731, American Chemical Society, Washington DC, 1999, p. 2.
22. Medrano R., Teresa M., Laguna R., Saiz E., Tarazona M.P. Phys. Chem. Chem. Phys. 5:2003;151
23. Chiantore O. Ind. Eng. Chem. Res. 36:1997;1276
24. Mourey T.H., Balke S.T. J. Appl. Polym. Sci. 70:1998;831
25. S.T. Balke, T.H. Mourey, in: Proceedings of the International GPC Symposium, Phoenix, October 1998, p. 2.
26. Mrkivickova L. J. Liq. Chromatogr. Rel. Technol. 22:1999;205
27. Provder T., Whited M., Huddleston D., Kuo C.Y. Progr. Org. Coatings. 32:1997;155
28. Verdurmen-Noel L., Baldo L., Bremmers S. Polymer. 42:2001;5523
29. DesLauriers P.J., Rohlfing D.C., Hsieh E.T. Polymer. 43:2002;159
30. Schoonover J.R., Zhang S.L., Bridgewater J.S., Havrilla G.J., Fletcher M.A. Appl. Spectrosc. 55:2001;927
31. Torabi K., Karami A., Balke S.T., Schunk T.C. J. Chromatogr. A. 910:2001;19
32. Karami A., Balke S.T., Schunk T.C. J. Chromatogr. A. 911:2001;27
33. Kok S.J., Arentsen N.C., Cools P.J.C.H., Hankemeier Th., Schoenmakers P.J. J. Chromatogr. A. 948:2002;257
34. K. Albert, in: K. Albert (Ed.) On-Line LC-NMR and Related Techniques, Wiley, Chichester, 2002, p. 107.
35. Price D., Dawkins J.V. Int. J. Polym. Anal. Charact. 5:2000;313
36. M.S. Montaudo, ACS Symposium Series, No. 834, American Chemical Society, Washington, DC, 2003, p. 358.
37. Ute K., Niimi R., Hatada K., Kolbert A.C. Int. J. Polym. Anal. Charact. 5:1999;47
38. E. Staring, A. Dias, R. van Benthem, in: Proceedings of the Athens Conference on Coatings: Science and Technology, Athens, Greece, July 2001, Institute of Materials Science, New Paltz, NY, 2001, p. 309.
39. Stogiou M., Kapetanaki C., Iatrou H. Int. J. Polym. Anal. Charact. 7:2002;273
40. Storey R.F., Brister L.B., Sherman J.W. J. Macromol. Sci.-Pure Appl. Chem. A. 38:2001;107
41. Aaserud D.J., Zhong W., Simonsick W.J. Jr. Polym. Prepr. 41:2000;658
42. M.A. Arnould, C. Wesdemiotis, R.J. Geiger, M.E. Park, R.W. Buehner, in: Proceedings of the Athens Conference on Coatings: Science and Technology, Athens, Greece, July 2001, Institute of Materials Science, New Paltz, NY, 2001, p. 399.
43. Puglisi C., Samperi F., Carroccio S., Montaudo G. Rapid Commun. Mass Spectrom. 13:1999;2360
44. Lightfoot L.M. Appl. Spectrosc. 55:2001;927
45. H.J.A. Philipsen, R.J.L. Beerends, J.J. Vanderfeesten, M.T.J. Verheggen, J. Appl. Polym. Sci., in preparation.
46. C.I. Rohn, Analytical Polymer Rheology, Hanser Publishers, New York, 1995.
47. Zimm B.H., Stockmayer W.H. J. Chem. Phys. 17:1949;1301
48. C. Jackson, H.G. Barth, in: C. Wu (Ed.), Handbook of Size Exclusion Chromatography, Chromatographic Science Series, vol. 69, Marcel Dekker, New York, 1995, p. 103.
49. Kratochvil P. Macromol. Symp. 152:2000;279
50. R.A.D. Mbachu, Proc. Ann. Meet. Adhes. Soc. 22 (1999) 323.
51. Huang Y., Bu L. Polym. Bull. 44:2000;301
52. Tackx P., Tacx J.C.J.F. Polymer. 39:1998;3109
53. Podzimek S., Kastanek A. J. Appl. Polym. Sci. 74:1999;2432
54. van der Maeden F.P.B., Biemond M.E.F., Janssen P.C.G.M. J. Chromatogr. 149:1978;539
55. Teramachi S., Hasegawa A., Shima Y., Akatsuka M., Nakajima M. Macromolecules. 12:1979;992
56. G. Glöckner, Polymer Characterization by Liquid Chromatography, Elsevier, Amsterdam, 1987.
57. Brun Y. J. Chromatogr. A. 996:2002;25
58. Schoenmakers P., Fitzpatrick F., Grothey R.J. J. Chromatogr. A. 965:2002;93
59. Verhelst V., Vanderecken P. J. Chromatogr. A. 871:2002;269
60. Braun D., Krämer I., Pasch H. Macromol. Chem. Phys. 201:2000;1048
61. Braun D., Krämer I., Pasch H., Mori S. Macromol. Chem. Phys. 200:1999;949
62. Braun D., Henze I., Pasch H. Macromol. Chem. Phys. 198:1997;3365
63. Jandera P., Holcapek M., Kolarova L. J. Chromatogr. A. 869:2000;65
64. Kawai E., Shimoyama K., Ogino K., Sato H. J. Chromatogr. A. 991:2003;197
65. Kawai E., Shin H., Ogino K., Sato H. Int. J. Polym. Charact. 6:2001;493
66. Snijder A., Klumperman B., van der Linde R. J. Polym. Sci, Part A: Polym. Chem. 40:2002;2350
67. Chiantore O., Simonelli A. Polym. Eng. Sci. 8:1999;1383
68. Philipsen H.J.A., Wubbe F.P.C., Klumperman B., German A.L. J. Appl. Polym. Sci. 72:1999;183
69. Philipsen H.J.A., Claessens H.A., Bosman M., Klumperman B., German A.L. Chromatographia. 48:1998;623
70. Jiang X., van der Horst A., Schoenmakers P.J. J. Chromatogr. A. 982:2002;55
71. Philipsen H.J.A., Oestreich M., Klumperman B., German A.L. J. Chromatogr. A. 775:1997;157
72. van der Meeren P., Vanderdeelen J., Baert L. Anal. Chem. 64:1992;1056
73. Felton M.J. Anal. Chem. 74:2002;631A
74. B. Trathnigg, M. Kollroser, D. Berek, S.H. Nguyen, D. Hunkeler, ACS Symposium Series, No. 731, American Chemical Society, Washington, DC, 1999, p. 95.
75. Kawai T., Teramachi S., Tanaka S., Maeda S. Int. J. Polym. Charact. 5:2000;381
76. Mengerink Y., Peters R., de Koster C.G., Van der Wal Sj., Claessens H.A., Cramers C.A. J. Chromatogr. A. 914:2001;131
77. Peters R., Mengerink Y., Langereis S., Frederix M., Linssen H., van Hest J., van der Wal Sj. J. Chromatogr. A. 949:2002;327
78. W. Hiller, H. Pasch, ACS Symposium Series, No. 834, American Chemical Society, Washington, DC, 2003, p. 338.
79. Krämer I., Hiller W., Pasch H. Macromol. Chem. Phys. 201:2000;1662
80. Nielen M.W.F., Buijtenhuijs F.A. Anal. Chem. 71:1999;1808
81. M.W.F. Nielen, F.A. Buijtenhuijs, LC GC Eur. February (2001) 82.
82. van der Wal Sj., Mengerink Y., Brackman J.C., de Brabander E.M.M., Jeronimus-Stratigh C.M., Bruins A.P. J. Chromatogr. A. 825:1998;135
83. Budlall B.M., Landfester K., Nagy D., Sudol E.D., Dimonie V.L., Sagl D., Klein A., El-Aasser M.S. Macromol. Symp. 155:2000;63
84. Dawkins J.V., Nichlson T.A., Handley A.J., Meehan E., Nevin A., Shaw P.L. Polymer. 40:1999;7331
85. Eersels K.L.L., Groeninckx G., Mengerink Y., van der Wal Sj. Macromolecules. 26:1996;6744
86. H.J.A. Philipsen, B. Klumperman, A.L. German, in: Proceedings of the International GPC Symposium, Phoenix, October 1998, p. 383.
87. Graef S.M., van Zyl A.J.P., Sanderson R.D., Klumperman B., Pasch H. J. Appl. Polym. Sci. 88:2003;2530
88. Teramachi S., Hasegawa A., Matsumoto T., Kitahara K., Tsukahara Y., Yamashita Y. Macromolecules. 25:1992;4025
89. Belenkii B.G., Gankina E.S., Tennikov M.B., Vilenchik L.Z. Dokl. Akad. Nauk. SSSR. 231:1976;1147
90. Skvortsov A.M., Gorbunov A.A., Berek D., Trathnigg B. Polymer. 39:1998;423
91. Gorbunov A., Trathnigg B. J. Chromatogr. A. 955:2002;9
92. Gorshkov A.V., Evreinov V.V., Entelis S.G. Dokl. Akad. Nauk. SSSR. 272:1983;632
93. A.V. Gorshkov, T.N. Prudskova, V.V. Gur'yanova, V.V. Evreinov, Vysokomol. Soedin. Ser. B (1985) 182.
94. Baran K., Laugier S., Cranmail H. J. Chromatogr. B. 753:2001;139
95. Peters R., Mengerink Y., Langereis S., Frederix M., Linssen H., van Hest J., van der Wal Sj. J. Chromatogr. A. 949:2002;327
96. X. Jiang, P.J. Schoenmakers, J. van Dongen, X. Lou, V. Lima, J. Brokken, Anal. Chem., submitted for publication.
97. Keil C., Esser E., Pasch H. Macromol. Mater. Eng. 286:2001;161
98. B. Trathnigg, M. Kollroser, M. Parth, S. Roblreiter, in: T. Provder (Ed.), Chromatography of Polymers: Hypenated and Multidimension Techniques, ACS Symposium Series, No. 731, American Chemical Society, Washington, DC, 1999.
99. Biela T., Duda A., Rode K., Pasch H. Polymer. 44:2003;1851
100. Augenstein M., Müller M.A. Makromol. Chem. 191:1990;2151
101. Falkenhagen J., Much H., Stauf W., Muller A. Polym. Prepr. 40:1999;984
102. Pasch H., Mequanint K., Adrian J. e-Polymers. 5:2002;1
103. Falkenhagen J., Much H., Stauf W., Muller A. Macromolecules. 33:2000;3687
104. Lee W., Cho D., Chang T., Hanley K.J., Lodge T.P. Macromolecules. 34:2001;2353
105. Lee W., Park S., Chang T. Anal. Chem. 73:2001;3384
106. Pasch H. Macromol. Symp. 178:2002;25
107. Pasch H., Esser E., Kloninger C., Iatrou H., Hadjichristidis N. Macromol. Chem. Phys. 202:2001;1424
108. Falkenhagen J., Friedrich J.F., Schulz G., Kruger R.P., Much H., Weidner St. Int. J. Polym. Anal. Charact. 5:2000;549
109. Lee H., Chang T., Lee D., Shim M.S., Ji H., Nonidez W.K., Mays J.W. Anal. Chem. 73:2001;1726
110. Berek D., Janco M., Hatada K., Kitayama T., Fujimoto N. Polym. J. 29:1997;1029
111. Janco M., Hirano T., Kitayama T., Hatada K., Berek D. Macromolecules. 33:2000;1710
112. Kitayama T., Janco M., Ute K., Niimi R., Hatada K., Berek D. Anal. Chem. 72:2000;1518
113. Cho D., Park S., Kwon K., Chang T., Roovers J. Macromolecules. 34:2001;7570
114. Murgasova R., Capek I., Lathova E., Berek D., Florian S. Eur. Polym. J. 34:1998;659
115. Adrian J., Esser E., Hellman G., Pasch H. Polymer. 41:2000;2439
116. van der Horst A., Schoenmakers P.J. J. Chromatogr. A. 1000:2003;693
117. Yun H., Olesik S.V., Marti E.H. J. Microcol. Sep. 11:1999;53
118. Berek D. Macromol. Symp. 174:2001;413
119. A. van den Broek, B.Sc. Thesis, 1994, Hogeschool Venlo, Venlo, The Netherlands (in Dutch).
120. H. Olde Bijvank, B.Sc. Thesis, 1997, Hogeschool Enschede, Enschede, The Netherlands (in Dutch).
121. Snauko M., Berek D. Chromatographia. 57:2003;S-55
122. Philipsen H.J.A., Claessens H.A., Lind H., Klumperman B., German A.L. J. Chromatogr. A. 790:1997;101
123. Lee H.C., Chang T. Macromolecules. 29:1996;7294
124. Phillips S., Olesik S.V. Anal. Chem. 74:2002;799
125. Berek D. Prog. Polym. Sci. 25:2000;873
126. Berek D. Macromol. Symp. 145:1999;49
127. Bartkowiak A., Hunkeler D. Int. J. Polym. Anal. Charact. 5:2000;475
128. Sauzede F., Hunkeler D. Int. J. Polym. Anal. Charact. 6:2001;295
129. Hunkeler D., Bartkowiak A., Sauzedde F. Int. Lab. 30:2000;10
130. Nguyen S.H., Berek D. Chromatographia. 48:1998;65
131. Schure M.R. Anal. Chem. 71:1999;1645
132. Murphy R.E., Schure M.R., Foley J.P. Anal. Chem. 70:1998;4354
133. Kilz P., Krüger R.P., Much H., Schulz G. Polym. Mater. Sci. Eng. 69:1993;114
134. P.J. Schoenmakers, P. Marriott, J. Beens, LC GC Eur. June (2003) 335.
135. Zenobi R., Knochenmuss R. Mass Spectrom. Rev. 17:1998;337
136. Lou X., van Dongen J.L.J. J. Mass Spectrom. 35:2000;1308
137. Lou X., van Dongen J.L.J., Janssen H.M., Lange R.F.M. J. Chromatogr. A. 976:2002;145
138. Moyer S.G., Gotter R.J. Anal. Chem. 74:2002;469A
139. Doroshenko V.M., Laiko V.V., Taranenko N.I., Berkout V.D., Lee H.S. Int. J. Mass Spectrom. 221:2002;39
140. Ji H. Macromolecules. 35:2002;1196
141. R.B. Cole (Ed.), Electrospray Ionization Mass Spectrometry, Wiley, New York, 1997.
142. Nielen M.W.F. Rapid Commun. Mass Spectrom. 13:1999;826
143. P.J. Schoenmakers, C.G. de Koster, LC GC Eur. November (2002) 38.
144. Aaserud D.J., Simonsick W.J. Jr. Prog. Org. Coatings. 34:1998;206
145. Aaserud D.J., Prokai L., Simonsick W.J. Jr. Anal. Chem. 71:1999;4793
146. Koster S., Duursma M.C., Boon J.J., Philipsen H.J.A., Velde J.W.V., Nielen M.W.F., de Koster C.G., Heeren R.M.A. Macromolecules. 35:2002;4919
147. M.W.F. Nielen, personal communication.
148. D.M. Haddleton, E. Feeney, A. Buzy, C.B. Jasieczek, K.B. Jennings, Chem. Commun. (1996) 1157.
149. Nielen M.W.F. Rapid Commun. Mass Spectrom. 10:1996;1652
150. Hunt S.M., Sheil M.M., Derrick P.J. Eur. Mass Spectrom. 4:1998;475
151. Hunt S.M., Sheil M.M., Belov M., Derrick P.J. Anal. Chem. 70:1998;1812
152. van Benthem R.A.T.M., Meijerink N., Geladé E., de Koster C.G., Muscat D., Froehling P.E., Hendriks P.H.M.M., Vermeulen C.J.A., Zwartkruis Th.J.G. Macromolecules. 34:2001;3559
153. Yu D., Nikolay V., Frechet J. Macromolecules. 32:1999;5186
154. Chevallier P., Soutif J.C., Brosse J.C., Brunelle A. Rapid Commun. Mass. Spectrom. 16:2002;1476
155. van Rooij G.J., Duursma M.C., de Koster C.G., Heeren R.M.A., Boon J.J., Schuyl P.J.W., van der Hage E.R.E. Anal. Chem. 70:1998;843
156. Montaudo M.S. Mass Spectrom. Rev. 21:2002;108
157. Murgasova R., Hercules D.M. Int. J. Mass. Spectrom. 226:2003;151
158. Zhan Q., Guesev A., Hercules D.M. Rapid Commun. Mass Spectrom. 13:1999;2278
159. Lou X., van Dongen J.L.J., Meijer E.W. J. Chromatogr. A. 896:2000;19
160. Esser E., Keil C., Braun D., Montag P., Pasch H. Polymer. 41:2000;4039
161. F. Reuther, R.P. Krueger, G. Schulz, G Baehr, U. Westerwelle, G. Gruetzner, in: F.M. Houlihan (Ed.), Proceedings of SPIE on Advances in Resist Technology and Processing XVII, vol. 3999, 2000, p. 464.
162. Sauerland F.J.V., Kamlnsi H., Ndonl S., Peterson W.B., Hlvdt S., Kingshott P. Polym. Mater.: Sci. Eng. 88:2003;21
163. Chen G., Cooks R.G., Jha S.K., Qupicky D., Green M.M. Int. J. Mass Spectrom. Ion Process. 165-166:1997;391
164. Shard A.G., Volland C., Davies M.C., Kissel T. Macromolecules. 29:1996;748
165. Przybilla L., Rader R.J., Mullen K. Eur. Mass Spectrom. 5:1999;133
166. Scrivens J.H., Jackson A.T., Yates H.T., Green M.R., Critchley G., Brown J., Bateman R.H., Bowers M.T., Gidden J. Int. J. Mass Spectrom. Ion Process. 165-166:1997;363
167. S. Koster, Ph.D. Thesis, University of Amsterdam, Amsterdam, The Netherlands, 2002.
168. Murgasova R., Hercules D.M. Anal. Bioanal. Chem. 373:2002;481
169. J.H. Scrivens, in: Proceedings of the International MM 2003 Symposium, Book of Abstracts, Amsterdam, 2003, p. 55.
170. Lee H.C., Chang T. Polymer. 37:1996;5747
171. Lee W., Lee H.C., Chang T., Kim S.B. Macromolecules. 31:1998;344
172. Lee W., Lee H.C., Park T., Chang T., Chae K.H. Macromol. Chem. Phys. 201:2000;320
173. Lee W., Cho D., Ok Chun B., Chang T., Ree M. J. Chromatogr. A. 910:2001;51
174. Park S., Cho D., Ryu J., Kwon K., Chang T., Park J. J. Chromatogr. A. 958:2002;183
175. Lee H.C., Chang T., Harville S., Mays J.W. Macromolecules. 31:1998;690
176. Chang T., Lee H.C., Lee W., Park S., Ko C. Macromol. Chem. Phys. 200:2000;2188
177. Giddings J.C. Sep. Sci. 1:1966;123
178. M.E. Schimpf, K.D. Caldwell, J.C. Giddings, FFF Handbook, Wiley, New York, 2002.
179. S.J. Jeon, M.E. Schimpf, in: T. Provder (Ed.), Chromatography of Polymers: Hyphenated and Multi-Dimensional Techniques, ACS Symposium Series, No. 731, American Chemical Society, Washington, DC, 1999, p. 141.
180. Schimpf M.E., Rue C.A., Mercer G., Wheeler L.M., Romeo P.F. J. Coatings Technol. 65:1993;51
181. Schimpf M.E. J. Liquid Chromatogr. Rel. Tech. 25:2002;2101
182. J.B.P. Soares, A.E. Hamielec, in: R.A. Pethrick, J.V. Dawkins (Eds.), Modern Techniques for Polymer Characterization, Wiley, New York, 1999, p. 15.
183. Abiru T., Mizuno A., Weigland F. J. Appl. Polym. Sci. 68:1998;1493
184. Zacur R., Goizueta G., Capiati N. Polym. Eng. Sci. 39:1999;921
185. Galland G.B., Mauler R.S., Da Silva L.P., Liberman S., Da Silva Filho A.A., Quijada R. J. Appl. Polym. Sci. 84:2002;155
186. Kauppila T.J., Kuuranne T., Meurer E.C., Eberlin M.N., Kotiaho T., Kostiainen R. Anal. Chem. 74:2002;5470
187. Windig W., Phalp J.M., Payne A.W. Anal. Chem. 68:1996;3602
188. F. Fitzpatrick, H.-J. Ramaker, P. Schoenmakers, R. Beerends, M. Verheggen, H. Philipsen, J. Chromatogr. A, submitted for publication.
189. Ballschmiter K., Wossner M. Fresenius J. Anal. Chem. 361:1998;743
190. Scott R.P.W., Little C.J., de la Pena M. Chromatographia. 53:2001;S-218
191. Montaudo M.S. Macromolecules. 34:2001;2792
192. Louden D., Handley A., Taylor S., Lenz E., Miller S., Wilson I.D., Sage A. Anal. Chem. 72:2000;3922