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At what point does Sulfuric Acid reach its lowest Ph? Dilute solutions to which you are referring now, where you have to take account of water equilibrium ...	24-2-2009 at 13:18 by: len2
At what point does Sulfuric Acid reach its lowest Ph? That dont work. If pK1 for H2SO4 = -3 then [H2SO4] = ([H]/10^3) [HSO4] without added HBr, [ ...	24-2-2009 at 01:48 by: len2
Preparation of cyanides Someone on the forum was interested in this so I tried it out. [quote] Decomposition of Potass ...	22-2-2009 at 04:51 by: len2
Qualitative Tests Here's a free book on the Web on this very interesting subject (though not the one Magpie was referr ...	21-2-2009 at 14:23 by: len2
Something Else to Do with Your Red P [quote][i] A bit of drift now, looking at some of the references given here and elsewhere, I noti ...	18-2-2009 at 02:48 by: len2
A lab 40V 250W power supply Sorry I couldnt reply earlier. The resistor at pin 4 going to positive is about 4.7k, the capacitor ...	22-9-2008 at 02:27 by: len2
A lab 40V 250W power supply Sorry for long absence. The next step in the development is the following modification of the PCS ...	13-9-2008 at 19:09 by: len2