An item designed for determining hydrogen ion concentration of a liquid. Includes chemically treated sensitized test paper(s) and color comparison chart(s). The treated paper, after immersion and comparision with the color chart, indicates hydrogen ion concentration. excludes lithmus paper, acs.
NSN 6220-01-028-4488
NSN 6610-01-409-1781
NSN 5960-00-177-1716
NSN 5910-01-245-3581
NSN 5999-00-725-0016
NSN 5915-01-501-2590
NSN 6320-01-575-6342
NSN 5920-01-477-0087
NSN 5920-00-265-6222
NSN 6130-01-243-3608
NSN 5975-00-332-2520
NSN 5905-00-417-2249