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 5835-00-060-9889
NSN 6645-01-041-3533
NSN 6685-01-424-5555
NSN 6685-00-279-3620
NSN 6150-01-446-4733
NSN 5996-01-381-1316
NSN 6620-01-357-3643
NSN 6130-00-425-3324
NSN 6130-00-079-3581
NSN 5835-01-498-9410
NSN 5999-01-059-2243
NSN 5855-01-503-3452