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AP7901 - $1.90
Supplied in stoppered vials containing 100 strips per vial. Paper indicates relative humidity by color change: pink indicates high humidity; blue indicates low humidity.
AP9288 - $59.80
Color change of pink to a deep purple-red indicates the presence of lead in solutions or on surfaces. Limits of sensitivity: 0.05 micrograms on surfaces, 5 milligrams/liter (5 ppm) in solutions. The presence of as little as 50 ppb in solution can be...
P.O. Box 219, Batavia, IL60510



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