... hydrogen sulfide (H2S) and other reduced sulfur compounds, such as mercaptans, sulfides, disulfides, and sulfites in waste water treatment ... of mouth virus, epidemic hemorrhagic fever virus.FeatureWidely use as effective disinfector: virus, germ and its spore, mycoplasma, ... fever virus; 1:100 kill 1:250 dill bursal viruses; 1:100 kill corona virus. Anqin same as virkons aquatic aquaculture medicine ...