3.2.2. Limits of detection (LOD) and quantification (LOQ)
The limits of detection (LOD) and quantification (LOQ) were 4–7 and14–22 mmol/L, respectively (Table2). The low LOD and LOQ showed that the developed method is sensitive enough to identify and quantify even lower concentration of SCFA in a biogas digester sample than those detected in our study.