The rate of transpiration of a plant can easily be determined using this test. To carry the test out dry cobalt chloride paper which is blue in color is taken that turns pink when exposed to water , so the rate of transpiration can be measured by the time taken for the paper to change its color from pink to blue.
Videolar This resource provides instructions for preparing your own cobalt chloride indicator papers. You can use the papers to test for the presence of water. |
ranspiration can be easily demonstrated by cobalt chloride paper test. Cobalt chloride is blue coloured in anhydrous (dry form but turns pink hen it comes in ... |
This was done due to the property of cobalt chloride paper to change colour from blue to pink when it comes in contact with water. |
The cobalt chloride technique apparently measures some unidentified determinant of the transpiration process which can vary independently of the total moisture ... |
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