... for testing Aflatoxin B1 residue in grain, peanut, feed and edible oil sample, suitable for on-site rapid test. Easy to operate, ... tests/kit 4. Principle The Aflatoxin B1 rapid test strip is an immuno-chromatographic test, using colloidal gold immunoassay method. It ... the T and C line section. 5. Contents 1) Test card 50 pieces 2) Manual 1 piece 3) Dropper ... of tube well), absorb 60ml solution to test.