cobalt pigment

Filtering (ME1z)+(MD66), washed with H2O:

* (ME102) liq clear white, very sly pinkish pH 6.5.  

* (ME103) white sly pink ppt
 
In test tube (ME1zk), the filtrate (ME102) gives white ppt with K4Fe(CN)6.

Filtering (ME11r) (cleat dark pink liq + coarse sandy brown ppt) through Whatman 14 um, washed with several mL H2O:

* (ME11ra) clear dark pink.

* (ME11rb) brown gritty coarse ppt.

Pipetted out most ethanolic phases of:

* (ME1xa): left ~1.5 mL black suspension.

* (ME1xb): left ~0.2 mL black suspension.

* (ME1a): left ~0.6 mL blue opaque liq.
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