Reaction #684945

Reaction equation

cobalt(II) acetate tetrahydrate

→

Cobalt Acetate

Solvents

water

Conditions

Workup

1. 1
   OtherIndicator compositions were prepared as for Example 11
2. 2
   OtherThe second solution (Indicator Composition 13) was prepared
3. 3
   OtherDevices were prepared

Procedure

Indicator compositions were prepared as for Example 11. The colorants used are listed in Table 13. The second solution (Indicator Composition 13) was prepared by adding 1.0 g of cobalt(II) acetate tetrahydrate {Co(C2H3O2)2.4H2O} (available from Sigma-Aldrich Fine Chemicals, St. Louis, Mo.) to 13 ml of water. Devices were prepared and tested as described in Example 11. The results are recorded in Table 13.

Source