Tuovinen O H
Zentralbl Bakteriol Naturwiss. 1979;134(1):108-9. doi: 10.1016/s0323-6056(79)80069-5.
The chemical reaction between tetrathionate and sulphide produces colloidal sulphur and thiosulphate. This reaction can be employed to prepare agar media containing thiosulphate and finely divided colloidal sulphur particles.