General Information One-Step Chloramphenicol Rapid Test is a competitive immunoassay for the semi-quantitative detection of the presence of Chloramphenicol residue in milk, Honey,Tissue extract and Aquatic products. Detection limit: Milk 0.3ppb ,Honey 0.3ppb , Tissue extract 0.3ppb , Aquatic products 0.3ppb Specimen: Defatted milk, Honey, Tissue extract, Aquatic products Reading Time : 5-10min