katal /kat·al/ (kat´al) a unit of measurement proposed to express activities of all catalysts, being that amount of a catalyst that catalyzes a reaction rate of 1 mole of substrate per second. Symbol kat.
katal (K, kat)
kat·al (k t l)n. Abbr. kat A unit of measurement that expresses the activity of a catalyst in moles per second, such as the amount of an enzyme needed to transform one mole of substrate per second. |
katal (K, kat)
[kat′al]
Etymology: Gk, kata, down
an enzyme unit in moles per second defined by the SI system: 1 K |m= 6.6 × 109 U.
katal
the SI unit of measurement to express activities of all catalysts, including enzymes, being that amount of a catalyst that catalyzes a reaction rate of 1 mole of substrate per second. Symbol kat.
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