Yes, the dye bleach is acidic, but so is the acid in your car battery. Apart from that it is not going to jump in your sandwich, kill you from toxic vapors or blow up, so I wouldn't be too worried about it. Finding a working recipe, getting the chemicals and investing several precious sheets of remaining Ilfochrome stock into testing is the challenge.It's all formally discontinued, and what remains has largely been stockpiled by a handful of users. You just gotta get lucky. Making the bleach yourself doesn't seem very realistic and will involve some nasty acid.
I have made the observation that Dr. Beer's developer yields about the same results as the original Ilfochrome developer, and the funny part is that it doesn't matter which grade of Dr. Beers you mix, the results are indistinguishable. Chances are that any reasonable MQ developer will work here.The fix is just ordinary non-hardening black and white fixer. The latest developer is proprietary. If you substitute an ordinary black and white paper developer like Selectol Soft you'll get a color image, but not an ideal one.
I think we come from different worlds here. Neither do I have any inclination to dip my nose into Ciba bleach or battery acid, nor would I suggest immersing anybody else's face i such a liquid. That's what I referred to when I mentioned battery acid: if you allow common sense to guide your actions, nothing bad will happen, and billions of people use car batteries without problems. What does worry me is innocuous looking things that do jump in your face, some of them are listed here.Rudeofus - I replied to the Ciba bleach hazard on another thread. But let me ask, do you stick your nose into battery acid or sulfuric acid drain cleaner and inhale it? And isn't that ordinary battery acid what some people use in certain cultures to instantly remove other people's faces?
It's just as hazardous as working with any other concentrated reagent, and as everyone knows, acid certainly can jump if you don't dilute it
correctly!
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