Fig. 4From: A free elution immunoassay for chloramphenicol in chicken and egg after magnetic ZIF-8 adsorption separationOptimization of sample pretreatment conditions based on mZIF-8. a Adsorption time optimization; b Optimization of adsorbent (mZIF-8) dosage; c pH optimization of the adsorption system; d Effect of salt ion strength on adsorption; e Optimization of mZIF-8 dosage in chicken and eggs; f Optimization of mZIF-8 adsorption time in chicken and eggsBack to article page