Dennis Steele wrote....
>I found that the best stuff to use is "regent grade acetone".
You can get this stuff at:
San Jose Scientific
408 727-7301
ACS Grade (reagent grade actone)
1 pint: part number 58-60A - $19.95
4 litres: part number 58-70A - $65.00
or
Semiconductor grade that meets or exceeds ACS grade:
1 gallon: part number 58-70-LP - $38.95