The Vespiary

The Hive => Newbee Forum => Topic started by: placebo on July 12, 2003, 07:47:00 AM

Title: 99% formic + 50% H2O2
Post by: placebo on July 12, 2003, 07:47:00 AM

If someone had these chemicals at that strength, would one just work out the amount they need to be diluted to get to 85% formic and 35% H2O2 and proceed from there? Assuming the standard buffered performic of course.

I hate variables!

Title: Raf had 50% H 2 O 2 and he used tap water for...
Post by: raffike on July 12, 2003, 08:49:00 AM

Raf had 50% H₂O₂ and he used tap water for dilution and just checked density.You must calculate to get the amounts needed.It's easy,at least it was for me.

Title: aqueous solutions
Post by: nitrous351 on July 12, 2003, 09:21:00 AM

I assume you're talking about aqueous solutions. To make a 85% formic solution, mix 85mL formic per 100mL of the total (i.e., for every 100mL you have, 85mL should be formic, and 15mL water). To get 35% solution from a 50% solution, mix 70mL peroxide per 100mL (i.e., a 100 mL solution would be made up of 70mL peroxide and 30mL water). I wouldn't use tap water... I would use distilled/de-ionized water. Good luck peace

Title: No,density of formic acid and it's solutions...
Post by: raffike on July 12, 2003, 09:31:00 AM

No,density of formic acid and it's solutions is always above 1 and so are solutions of perhydrole you can't use volume here but weight.
Let me do a calculation for you.Let's say you want 500 grams of 35% perhydrole.
500x0,35=175
You need 175 grams of 50% perhydrole
and 500-175=325 grams of water to get 500 grams of 35% perhydrole.All % are weight %

Title: Rafki
Post by: hest on July 12, 2003, 04:27:00 PM

Iff you have 100% perhydrole rafkie is right, else multiply with 2 *loL*

(As in 175*x=350g 50% prehydrole and 150gwather=500g 35% perhydrol)

Title: damn some mistake jumped in...glad you ...
Post by: raffike on July 15, 2003, 11:02:00 PM

damn some mistake jumped in...glad you noticed...

Title: Could you help swim find a complete procedure...
Post by: slick14 on July 17, 2003, 10:08:00 PM

Could you help swim find a complete procedure using formic acid and H2O2 swim has looked everywhere and cant find anything could you point swim in the right direction?

Title: Procedure for what?
Post by: Rhodium on July 19, 2003, 03:17:00 AM

Could you help swim find a complete procedure using formic acid and H2O2

For what? If the actual mixing, everything you need to know can be found above. If you want a procedure using the mixture, UTFSE for "performic acid oxidation"...