Author Topic: confirmation for genuine 'VASART' signature.  (Read 1121 times)

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Offline chopin-liszt

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Re: confirmation for genuine 'VASART' signature.
« Reply #10 on: August 31, 2010, 03:16:39 PM »
I've never used hydrofluoric acid.
I used to make the one which is sulphuric and nitric acids mixed together. (can't remember the name of it now - orange stuff - I want to call it "royal jelly" - think it had some sort of regal name!).
I made it very carefully, in a fume cupboard, wearing the appropriate protective gear.
(sue, ex-pharmacological research worker)

I'm not going to try throwing matchsticks into any concentrated acids just to find out!
Cheers, Sue (M)

“All things are subject to interpretation. Whichever interpretation prevails at a given time is a function of power and not truth.” Friedrich Nietzsche


Offline Paul S.

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Re: confirmation for genuine 'VASART' signature.
« Reply #11 on: August 31, 2010, 07:36:15 PM »
all I ever remember from the science lab was the edict that was writ in very big letters  -  'Always acid to water - NEVER water to acid'.   I have been preoccupied over the past 48 hours, and maybe for the next 24, so haven't got around to taking Anne up on her instructions of how to place my fake signature on the 'Fakes' section.    I do of course thank those contributors to my post, and appreciate their replies, and when I have sorted the bank holidays finds, fulfilled all my other obligations in life, 'I will return'.
Paul - frustrated ex thicky - sometime hopeful in life - most time still trying to understand the question) :) 


Online ahremck

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Re: confirmation for genuine 'VASART' signature.
« Reply #12 on: September 01, 2010, 03:23:24 AM »
Wow, Sue that mixture I have heard is mainly used to dissolve gold - are you an alchemist in training?

Ross
I bamle all snileplg eorrrs on the Cpomuter Kyes.  They confuse my fingers !!!


Offline chopin-liszt

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Re: confirmation for genuine 'VASART' signature.
« Reply #13 on: September 01, 2010, 11:31:34 AM »
 :-[

Obviously not. I got the recipe wrong! It was aqua regia, Nitric and Hydrochloric acids, not Nitric and Sulphuric.

Used for ultra-clean cleaning of glassware used in analysis of minute traces of drugs which required spectrophotofluorimetry.
My remit is biochemistry - keep the physical stuff away from me - I don't get it at all. :-[
Cheers, Sue (M)

“All things are subject to interpretation. Whichever interpretation prevails at a given time is a function of power and not truth.” Friedrich Nietzsche


Online ahremck

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Re: confirmation for genuine 'VASART' signature.
« Reply #14 on: September 01, 2010, 11:55:15 AM »
No Sue I got it wrong   :-[      http://en.wikipedia.org/wiki/Aqua_regia
tells me we are talking about the same substance.  It can both dissolve gold & platinum and is used to clean glasswear.

Ross
I bamle all snileplg eorrrs on the Cpomuter Kyes.  They confuse my fingers !!!


Offline chopin-liszt

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Re: confirmation for genuine 'VASART' signature.
« Reply #15 on: September 01, 2010, 12:02:44 PM »
We were talking about the same stuff, but it was me who got the recipe wrong - you just realised what I meant and overlooked my mistake.
It was a long time ago!
Cheers, Sue (M)

“All things are subject to interpretation. Whichever interpretation prevails at a given time is a function of power and not truth.” Friedrich Nietzsche


Offline Paul S.

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Re: confirmation for genuine 'VASART' signature.
« Reply #16 on: September 03, 2010, 08:02:37 AM »
Anne - may I ask please that you assist on this occasion  -  I am rather short of hours in the day just now, and don't want to overlook or forget this matter.     Sincere thanks for your help.   Paul S.


Offline Anne

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Re: confirmation for genuine 'VASART' signature.
« Reply #17 on: September 03, 2010, 11:41:23 AM »
Done for you Paul. :thup:


Offline Frank

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Re: confirmation for genuine 'VASART' signature.
« Reply #18 on: September 17, 2010, 09:59:04 AM »
Glass looks non-British too.
Frank A.
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