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 5920-00-434-4230
NSN 5985-01-555-3408
NSN 6145-00-583-3940
NSN 6650-01-519-9165
NSN 5930-01-058-7716
NSN 5965-01-106-4969
NSN 5945-01-470-5157
NSN 5990-00-405-4491
NSN 6620-00-366-1365
NSN 6105-00-684-6807
NSN 6145-01-531-6422
NSN 5910-01-207-0909