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 5998-00-913-3469
NSN 6240-01-470-7706
NSN 5999-01-211-4428
NSN 6135-00-973-5632
NSN 5965-00-431-2492
NSN 5985-01-100-4498
NSN 6110-01-499-9933
NSN 6685-01-646-3973
NSN 5985-01-465-6866
NSN 6620-01-211-4098
NSN 6220-01-013-1784
NSN 5835-00-678-6981