[alt-photo] Re: preserving gum arabic solution

[Loris Medici]

As another option (for the O.P.):

I use sodium benzoate, 0.5 per 100g of dry gum.  (I'm sure it would work well if I was using even less, but then it gets harder to weight - since I mix no more than 500-600ml of stock solution at once, therefore, I use the it in excess. No adverse effects noticed in the past 2-3 years...)

Regards,
Loris.


On 17.Haz.2010, at 23:03, Ian Hooper wrote:

> Thymol has been working for me.
> 
> 1 gram thymol dissolved in 5 ml alcohol.
> 
> A few drops of that solution has kept a litre of gum fresh for 6 months so
> far (at room temp).
> 
> -Ian