Clinical Biochemistry of Domestic Animals (Sixth Edition) - UMK ...

Appendix II
Conversion Factors of Some Non-
SI Serum Enzyme Units to SI
International Enzyme Units a
Serum Enzyme Non-SI Unit Factor SI
Aldolase (ALD) Sibley-Lehninger Unit (SLU) (mg DNP/hr/mL) 0.75 U/L
Amylase (AMYL) Somogyi Unit (SU) (mg G/30 m) 1.85 U/L
Glutamic-oxalacetic
Transaminase (SGOT, AST)
Glutamic Pyruvic
Transaminase (SGPT, ALT)
Isocitric Dehydrogenase (ICD)
Sigma-Frankel Unit (SFU)
Karmen Unit (KU)
Wroblewski-LaDue Unit (WLU)
Reitman-Frankel Unit (RFU) (0.001 OD/m/mL )
Sigma-Frankel Unit (SFU)
Karmen Unit (KU)
Wroblewski-LaDue Unit (WLU)
Reitman-Frankel Unit (RFU) (0.001 OD/m/mL)
Wolfson-Williams-Ashman
Unit (WWAU) (nmol/h/mL)
0.48 U/L
0.48 U/L
0.0167 U/L
Lipase Roe-Byler Unit (RBU) ( μ mol/h/mL) 16.7 U/
Cherry-Crandall Unit (CCU) (50 μ mol/3 h/mL) 2.77 U/L
Phosphatase, acid King-Armstrong Unit (KAU) (mg Phenyl-P/30 m) 1.85 U/L
Phosphatase, Alkaline (AlP) King-Armstrong Unit (KAU) (mg Phenyl-P/30 m) 7.10 U/L
Bodansky Unit (BU) (mg P/hr) 5.4 U/L
Sorbitol (Iditol)
Dehydrogenase (SDH, IDH)
a
U 1 International Unit 1 μ mol/m 16.67 nmol/s 16.67 nkatal/s 0.01667 μ katal/s.
Sigma-Frankel Unit (SFU) (nmol/hr/mL) 0.0167 U/L
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