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 5905-00-259-0426
NSN 6645-01-343-5586
NSN 6135-01-274-3546
NSN 5915-01-463-2465
NSN 6105-01-593-3326
NSN 6145-00-679-6470
NSN 5915-00-205-2615
NSN 7035-01-154-0796
NSN 6685-01-439-9342
NSN 5905-01-633-9948
NSN 2925-01-575-3192
NSN 6110-01-629-9650