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 6685-01-462-5361
NSN 5945-00-619-3553
NSN 6320-01-295-9992
NSN 5985-00-450-1239
NSN 5935-00-615-6268
NSN 5996-01-333-8585
NSN 6320-00-405-2348
NSN 5950-00-149-3059
NSN 5855-01-222-1242
NSN 5965-00-045-7156
NSN 7035-01-357-9246
NSN 4140-01-029-2814