Potential Error Sources in Enzyme Determination

Sampling and Sample Transport

Sample Storage
Sourses of Errors
in Measurement
Evaluation
Quality Control
1. Insufficient substrate concentration  จาก  
 

     - prolonged preservation and subsequent degradation
     - incomplete solubility of the substrate or substrate coenzyme mixture

2. Wrong pH of buffer solution
3. Reagent stability
4. Timing
5. Equipment  :  glasswares,  cuvet, spectrophotometer