Artificial alum crystals. Alum is the term given to crystallized double sulphates. They are soluble in water, have an astringent, acidic taste and crystallize in regular octahedrons. Alum is used in dyeing.
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Details
Creative#:
TOP06670736
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
NO
Property Release:
NO
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No
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