cobalt pigment

By now (MD72) had dried to a dark rusty-brown solid, 0.35 g.

By now (MD66k) had dried to a pinkish tan solid, 0.11 g.

By now (ME11) was a tan solid 2.52 g.

Merged (MD72)+(MD66k)+(ME11) as (ME11r).  Added 4 mL H2O, 2 mL HAc.  Some bubbling. 

Decanted supernat of (ME1z) (sly cloudy); merged into (MD66n).  There was some efervescence and the cloudy liq became sly greenish.

Heated rest of (MD66) to ~80 C.

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