title: Retention of preservative levels of formaldehyde in desiccated biological products.
abstract: Concentrations ranging from 8 to 100% of the preservative level of formalin (37% formaldehyde solution) were retained by desiccated biologics, with most products retaining about 50% regardless of the amount originally present.
mesh_terms: D001688:Biological Products / Q000032:analysis*; D005557:Formaldehyde / Q000032:analysis*; D010592:Pharmaceutic Aids / Q000032:analysis*; D011309:Preservation, Biological; D011310:Preservatives, Pharmaceutical / Q000032:analysis*
chemical_list: D001688:Biological Products; D010592:Pharmaceutic Aids; D011310:Preservatives, Pharmaceutical; D005557:Formaldehyde