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Blue cobalt chloride paper turns pink7/11/2023 It is usually supplied as the hexahydrate CoCl 2 6H 2 O. Cobalt(II) chloride is an inorganic compound of cobalt and chlorine, with the formula CoCl 2. You can use the papers to test for the presence of water, where the colour changes from blue to pink. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments. This resource provides instructions for preparing your own cobalt chloride indicator papers. Designed for use in a science laboratory for experiments, but also great for home or school use.Įach strip measures appoximately 1.9" x 0.6".Įisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control.Įach product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. Paper will change back to its original blue color if heated or the surrounding air dries. Responsive to 50% relative humidity and above, and any direct measure of an aqueous solution. Useful in difficult to reach places and recesses. Moisture turns the paper light pink/white. Made in the U.S.A - Keep vial tightly sealedĬobalt Chloride paper is used for testing for water leaks or high humidity.Useful in difficult to reach places and recesses.The blue form is cobalt chloride dihydrate. Moisture turns paper light pink/white in 50% relative humidity and above, and with any direct measure of an aqueous solution - Paper will change back to its original blue color if heated or the surrounding air dries Cobalt chloride paper is used to indicate the presence of water - changing from blue to pink in a hydration reaction. Each strip measures appoximately 1.9" x 0.6".100 paper strips per vial, used to test humidity levels.
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