Developers: 

300 MIF: 

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picture from http://signupmonkey.ece.ucsb.edu/wiki/images/2/2c/AZ_300_MIF_Developer_MSDS.pdf

To create a more dilute solution, just add water. 




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Etchants:

Aqua Regia:

Pour 3 parts hydrochloric acid. After, pour 1 part nitric acid.
make sure to put the solution near the fume hood part of the acid bench.