A convenient ultrafilter for concentrati
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H.W. Siegelman; E.M. Firer
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Article
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1962
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Elsevier Science
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English
⚖ 154 KB
## 435 1.5 to 15 pg of chymotrypsin. However, the present method is somewhat simpler with respect to the number of solutions which must be prepared, and, since the velocity is measured by the increase in absorbance at 385 mp, it can be easily modified for use with spectrophotometers not having the