3.2 to 4.4 ph
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 6620-00-518-3595
NSN 6620-00-602-5832
NSN 6145-01-227-7792
NSN 5895-01-583-9990
NSN 6130-01-044-7373
NSN 7035-01-189-6096
NSN 5935-00-571-9439
NSN 4140-01-433-1192
NSN 6620-01-364-2103
NSN 5965-01-435-6644
NSN 6135-00-519-1325
NSN 6610-01-462-5980