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 6610-01-263-2409
NSN 6320-01-462-2295
NSN 5935-00-170-6519
NSN 7035-01-356-4025
NSN 6685-01-467-6980
NSN 6650-01-384-1657
NSN 5915-00-233-6346
NSN 6320-00-228-5678
NSN 6145-01-275-9905
NSN 6110-00-903-6481
NSN 5925-00-529-0441
NSN 6110-01-322-8585