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 5905-01-263-4944
NSN 5999-01-129-0099
NSN 6685-01-255-4039
NSN 6240-00-845-9098
NSN 6620-01-278-8028
NSN 5935-01-125-7629
NSN 5985-01-214-9843
NSN 5910-00-342-4338
NSN 6610-00-700-3679
NSN 6110-01-576-2157
NSN 5990-00-155-2306
NSN 5975-00-132-0303