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iceinwater

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iceinwater

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Titration of free carboxylic acid groups. ¼ì²âôÈ»ùµÄ
The titration of the cross-linked gels
was carried out using a protein titration procedure according to Kenchington et al.
[38, 39]. This procedure was adapted for titration of small volumes of insoluble
materials. The gelatin gels were swollen in deionised water for 1 h, powdered and
lyophilised. Deionised water (1.5 ml) as such or containing powdered gelatin gel
(50 mg) at 40¡ÀC was either titrated with hydrochloric acid (0.2 M) until pH 1.5 or
with sodium hydroxide (0.2 M) until pH 12, by adding 0.005 ml per step, and an
equilibration time of 60 s per addition.
6Â¥2009-06-25 09:07:31
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7Â¥2009-06-25 19:57:48
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Originally posted by iceinwater at 2009-6-25 09:07:
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Titration of free carboxylic acid groups. ¼ì²âôÈ»ùµÄ
The titration of the cross-linked gels
was carried out using a protein titration procedu ...

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8Â¥2009-06-25 20:50:57
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wuwt

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