| abstract |
The embodiments of the present application belong to the technical field of medical testing and determination, and relate to an in vitro diagnostic reagent preservative, including a composition of a sulfadoxine solution and a ditrimethoprim solution, wherein the sulfadoxine in the sulfadoxine solution and the The molar ratio of the ditrimethoprim solution in the ditrimethoprim solution is 0.002-1. The application also relates to the use of an in vitro diagnostic reagent preservative. The technical solution provided in this application can improve the stability of the reagent, does not affect the reaction of the reagent, and can be widely used. |