Hello everyone,

 

I need a help about making the solution of Cobalt Chloride Hexahydrate. I already tried water and HCl but it did not work. I want it to be solved like sugar/salt in water. Which solvent is proper for this? I will use it in humidity desicators. In addition; I am also wondering that how can make paste/cream of it? Is it possible?

I would be greatfull if anyone helps.

 

Best Regards.

I'm not sure why you are having trouble. Exactly what do you mean by not working? It should dissolve fairly easily in plain water. How much are you adding into what volume? Have you tried warming it gently while you stir it? This may make it turn blue, but then so would dissolving it in HCl.

Thanks for replying,

 

As I said I will use it in desiccator cards. Thus, it should be in blue form. That's why I added HCl. But it precipitated. I want it cream because I want to use it in desiccator which attached here. Normally in these cards, first lavender part turns from blue to pink than indicates part and finally humidty part turns. I thought that If I insert different amounts to card with cream form than I can make the 20-40-60 thing. You can understand from the link above.

Edited December 13, 201312 yr by Erol BICER

Have you tried making the cream mix first and then placing it in an v=oven at 110C for about an hour? The water should evaporate out of the salt.