On Jun 5, 2013, at 6:20 PM, Perry Curling-Hope wrote:

> Since drugstore peroxide ('40 volume') is about 12%

In the USA, "drug store peroxide" (sold as an antiseptic) is usually 3% (10=
Vol.)  You can usually find 6% as hair bleach in the same drugstore, and I'=
ve heard that you can get up to 20% or so at specialty "beauty supply" stor=
es.  I've never actually checked; I wouldn't want to worry the local homela=
nd security folks=85
(strong H2O2 can be used to make improvised explosives.  Unlikely purchaser=
s are one of the things "they" look out for.)

BillW


--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.