Gel casting method and apparatus

Details Gel casting method and apparatus Gel casting method and apparatus

B - Operations, Transporting

29

C

204/109, 18/1110

B29C 39/02 (2006.01) B01D 57/02 (2006.01) B29C 35/02 (2006.01) B29C 35/08 (2006.01) B29C 37/00 (2006.01) B29C 39/38 (2006.01) B32B 37/24 (2006.01) G01N 27/447 (2006.01) G01N 27/453 (2006.01)

Patent

CA 2031531

2031531 9014201 PCTABS00002 A gel casting method and apparatus are used to cause a pre-gelled liquid mixture to gel sequentially in a given travelling direction, allowing still liquid material (27) to flow to the gelling front (29), replacing volumes lost due to shrinkage during the change of state from a liquid (27) to a gel (37). The differential gelling method provides stress-free gels free of voids common to highly stressed gels, and the method is applicable to column and slab gels, and particularly to capillary columns and very thin slab gels.

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