3.2 to 4.4 ph range
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 5920-00-581-4538
NSN 2925-01-556-0333
NSN 6135-00-182-7008
NSN 5935-00-409-6716
NSN 4140-01-275-6963
NSN 5920-00-288-5849
NSN 5965-00-035-4556
NSN 5905-01-572-0663
NSN 6220-01-479-3266
NSN 2925-00-323-7394
NSN 6110-01-366-5658
NSN 6105-01-308-0942