Cobalt(II) chloride - Wikipedia, the free encyclopedia
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Cobalt(II) chloride is the chemical compound with the formula CoCl 2 , although the term is used also to refer to the hexahydrate, which is a different chemical compound. CoCl 2 is blue, and CoCl...
en.wikipedia.org/wiki/Cobalt(II)_chloride
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Use cobalt chloride test paper to detect the presence of water or to perform qualitative tests of relative humidity. Each vial contains 100 strips. ... ScienceLab offers Cobalt Chloride Paper (Relative Humidity Test Paper) and many other laboratory products and chemicals for all of your research project needs.
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www.sciencelab.com/page/S/PVAR/10-3000-11
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Cobalt Chloride: Colorful Moisture Detector Cobalt chloride paper is used to test for the presence of water leaking through tiny cracks in pipes or porcelain. When water is present, the test paper goes from blue to pink. ... Cobalt chloride, CoCl2, is a fascinating compound that changes color in response to humidity.
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www.americanchemistry.com/s_chlorine/science_sec.asp?CI...
www.americanchemistry.com/s_chlorine/science_sec.asp?CID=1263&DID=4743
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Automatic download; [Begin manual download] ... Downloading the PDF version of:; Plant Physiol. Greulach 22 (3): 328. (69K) ... This file is in Adobe Acrobat (PDF) format. If you have not installed and configured the Adobe Acrobat Reader on your system, see Help with Printing for instructions.
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www.plantphysiol.org/cgi/reprint/22/3/328
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a Dissolve 5 g of hydrated cobalt(II) chloride in 100 cm3 of water (solution is Toxic). ... Cobalt chloride is Toxic and a Danger to the environment and May cause sensitisation. The indicator papers should be handled as little as possible and hands washed after use. ... Making cobalt chloride paper...
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www.practicalchemistry.org/standard-techniques/make-you...
www.practicalchemistry.org/standard-techniques/make-your-own-cobalt-chloride-paper,43,AR.html
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Tape a strip of Cobalt chloride paper to each side of the leaf (it might be fun to use a leaf in the sun and a leaf in the shade. You could also try using different types of leaves from different types of trees.) Remember to leave the leaves you use attached to the plant!
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utahscience.oremjr.alpine.k12.ut.us/Sciber01/7th/cells/...
utahscience.oremjr.alpine.k12.ut.us/Sciber01/7th/cells/html/cobalt.htm
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