An item impregnated with a standardized quantity of a chemical agent(s) for the differentiation of certain groups of microorganisms (presumptive differentiation). For discs used for sensitivity testing, see sensitivity discs, diagnostic.
Classification: Diagnostic or lab reagents on a backing, prepared diag/lab reagents whether or not on a backing, not of heading 3002 or 3006; certified ref materials
NSN 6150-01-119-0952
NSN 5950-01-327-1012
NSN 5910-01-337-2456
NSN 5835-00-368-4182
NSN 7035-01-631-7017
NSN 7035-01-313-3677
NSN 5920-01-540-0668
NSN 5930-01-278-9052
NSN 6135-01-568-9107
NSN 4140-01-599-6608
NSN 5925-01-379-9942
NSN 5996-01-456-7399