Comment wbsilicide SNF 2011-07-24 20:44:23: 9:1 H2SO4:H2O2 Bath Needs Changed

smitmegh at snf.stanford.edu smitmegh at snf.stanford.edu
Sun Jul 24 20:44:23 PDT 2011


The 9:1 H2SO4:H2O2 bath needs changed. The bath turned brown during a cleaning I performed Sunday afternoon, and it was still too hot for me to drain and change the bath when I had to leave.




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