CPC B29C 71/0009 (2013.01) [B29C 44/5627 (2013.01)] | 9 Claims |
1. A method of enhancing a footwear impression formed on a porous surface using a potassium ferrocyanide solution for footwear impression enhancement, the method comprising:
forming a porous surface sample by leaving footwear impressions into an object having a porous surface;
preparing a potassium ferrocyanide solution for footwear impression enhancement, wherein the preparing of the potassium ferrocyanide solution includes mixing an aqueous solution of potassium ferrocyanide and hydrochloric acid; and
applying the potassium ferrocyanide solution for footwear impression enhancement to the porous surface sample.
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