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 6610-01-630-5515
NSN 5835-00-092-1136
NSN 5999-00-445-1121
NSN 5905-01-479-2793
NSN 5895-01-089-8171
NSN 5835-01-158-6878
NSN 5915-01-183-9326
NSN 6620-01-632-2154
NSN 6240-01-032-7095
NSN 6685-01-578-7011
NSN 5905-01-047-8129
NSN 5855-00-256-5562