Free formaldehyde European Pharmacopoeia 2418

The test ensures that the substance to be examined has a total content of formaldehyde (H2CO), which is below the limit defined in the individual monograph. The monograph is named free formaldehyde to exclude its use on formaldehyde groups chemically bound to the substance to be examined. The test is referenced in about 30 monographs all describing vaccines, all of them referencing method (a) and nearly all of them having a free formaldehyde limit of 0.2 g l. Vaccines are inactivated virus...