G - Physics – 01 – N
Patent
G - Physics
01
N
150/19
G01N 33/00 (2006.01) C02F 1/52 (2006.01) C02F 1/54 (2006.01) D21H 21/10 (2006.01) G01N 27/416 (2006.01) G01N 33/44 (2006.01) D21H 17/37 (2006.01) D21H 17/43 (2006.01) D21H 17/45 (2006.01)
Patent
CA 1284933
ABSTRACT Testing Polyelectrolytes Measurement of the ionic value X of a solution of a polyelectrolyte after shearing, for instance by a rotating blade, and/or measurement of the ionic value Y of a solution of polyelectrolyte before shearing, and especially the difference between the values X and Y, gives a useful indication of the degree of cross linking of the polyelectrolyte and so can be utilised to control the manufacture of the polyelectrolyte, for instance drying conditions, or the storage or use of the polyelectrolyte, for instance its suitability or dosage in a flocculation process.
507508
Farrar David
Field John Rodney
Flesher Peter
Borden Ladner Gervais Llp
Ciba Specialty Chemicals Water Treatments Limited
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