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 5905-00-610-0551
NSN 5910-01-326-6721
NSN 5985-00-318-7076
NSN 6620-01-646-8593
NSN 4140-01-087-3336
NSN 5985-00-014-0350
NSN 5945-01-634-0588
NSN 6240-01-441-8368
NSN 5950-01-121-4795
NSN 6685-00-121-8650
NSN 6130-00-087-2577
NSN 6685-00-052-7378