Chemical test kits for indicating the presence or absence of toxins for laboratory or research use; chemical and biochemical reagents for non-medical purposes for indicating the presence or absence of toxins; chemically treated non-medical test strips for indicating the presence or absence of toxins

Chemical test kits for indicating the presence or absence of toxins for laboratory or research use; chemical and biochemical reagents for non-medical purposes for indicating the presence or absence of toxins; chemically treated non-medical test strips for indicating the presence or absence of toxins

Chromatography columns for laboratory use