FIELD: chemistry.
SUBSTANCE: invention refers to a reversible colour thermal indicator based on the double complex compound - hexa(isothiocyanato)chromate(III)-diaquatris(nicotinic acid)lanthanum(III) dehydrate. The compound composition is described by chemical formula [La(C6H5NO2)3(H2O)2][Cr(NCS)6]2H2O.
EFFECT: creating the new reversible thermochromic material having an ability to decolour when heated to a temperature of 130 degrees.
1 ex
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Authors
Dates
2015-05-20—Published
2014-03-11—Filed