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 6240-00-421-5368
NSN 5905-01-607-6722
NSN 6650-01-127-9518
NSN 6610-01-495-2990
NSN 6610-00-654-9877
NSN 5945-00-056-8452
NSN 5998-01-200-4509
NSN 6220-00-593-3179
NSN 5990-01-436-7191
NSN 5985-01-364-4457
NSN 5835-01-580-0446
NSN 6145-00-366-5790