Re: Eliminating CaCO3 in buffer in "achival" watercolor papers
Thanks David, I googled and found it to be "Por-Çöz". According various sources it's diluted (albeit a quite strong concentration ~ 25%) Nitric Acid... Pay attention while using it! :) Never saw it, I guess it's more common in Southern parts of Turkey. (We use Mr Muscle... hehehe) I will still try first with Acetic Acid... Regards, Loris. 13 Ağustos 2008, Çarşamba, 4:19 pm tarihinde, davidhatton@totalise.co.uk yazmış: > > > Hi Loris, > I'm sorry about the spelling. It is a common lime solvent in these > parts. Some kind of acid which can be used to clean away limescale in > kettles etc. Get it from migros etc..It's a liquid and it dilutes > easily and quickly. > David > > On Aug 13 2008, Loris Medici wrote: > > Hi David, what is Porcges (sp)? > > Regards, > Loris. > > > 12 Aðustos 2008, Salý, 7:45 pm tarihinde, > davidhatton@totalise.co.uk yazmýþ: > > > > > > Hi Loris, > > What about a mild solution of Porcges (sp) and a rinse in distilled > water > > afterward > > David > > > > On Aug 12 2008, Loris Medici wrote: > > > > Thanks Diana, > > > > I also thought about citric acid but the product is insoluble Calcium > > Citrate (a food additive), thus, it remains in the paper. I'd > prefer > > something that totally leaves the paper. Calcium citrate may interfere > > with the process I intend to use - maybe that's why you didn't > > get perfect > > results... > > > > Thanks again, > > Loris. > > > >
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