Iron Oxide Hydroxide Brown. A synthetic iron oxide brown that is associated with reclaimed mill sludge. See the Artist's Guide to Health and Safety for information about the hazards. It does contain Iron and possibly also manganese, as well as the potential for impurities, which is one of our concerns. The author's updated work can be found through her site. Artiscreation has a few notes as well such as not to breathe the dust and not to ingest (which is true for all artist pigments).
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Iron Oxide Hydroxide Brown
PBr6
Alternate Names
Mars Brown
Brown Iron Oxide
Pigment Description
Resources
PBr6 pigment data from David G. Myers, The Color of Art Pigment Database, Artiscreation.com
Information about PBr6 from Bruce MacEvoy, Handprint Guide to Watercolors,
Stats
Lightfastness
Excellent
Considered ASTM I, excellent.
Chemical Name
Brown magnetite iron oxide
Dry Pigments listing PBr6
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