Iodine Test Strips
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Iodine Test Paper (12.5 to 50 ppm), vial of 100 papers
This is to measure iodine in water only, not to measure your body's iodine level. This strip is not widely used. However, there are some sanitizing systems which will use iodine as a sanitizer. Strip requires a 60 second dip time. Reads levels of 12.5, 25, and 50 p.p.m.
Directions: Use dry fingers to remove strip of paper from vial. Dip into solution being tested for 60 seconds without agitation, and while wet compare with color chart below. Color comparison will indicate approximate strength of the solution in parts per million (p.p.m.) available iodine.