A compound, formulated to a specific ph value that tends to resist change in ph when moderate amounts of either a base or acid are added, or on dilution with a solvent.
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 5930-00-111-2058
NSN 5910-01-427-3819
NSN 6610-00-053-9565
NSN 5925-00-628-7797
NSN 7035-01-364-8454
NSN 6150-00-893-9604
NSN 5996-01-190-5160
NSN 6620-01-108-5824
NSN 5930-01-374-4510
NSN 6685-01-605-3617
NSN 5935-00-216-7435
NSN 6645-00-240-7162