- Oct 6, 2004
- Multi Format
Sodium metaborate = borax (the Mule Team stuff)?
Soeren said:Hi Nicole
Rodinal is a Non solvent developer aka acutance developer. It is not a fine grain dev
But enhances the sharpness and also the grain
D-76 is a solvent developer, When used full strength, because of the sulfite containt. It desolve the grain a tiny bit making them apear finer. There is true fine grain developers like Perceptol.
Maine-iac said:The above MYTOL will work fine, except that the sulfite is totally unnecessary and does nothing in a Phenidone/Ascorbate developer.
fotophox said:Sodium metaborate = borax (the Mule Team stuff)?
Maine-iac said:If you don't want to mix your own, use Xtol. If you want to mix your own, a very simple (3 common ingredients) is easy. The above MYTOL will work fine, except that the sulfite is totally unnecessary and does nothing in a Phenidone/Ascorbate developer.
Consider trying this:
water 1 liter
5 g (1 tsp.) sodium metaborate OR (depending on your desired developing time and level of activity) 6g (1 tsp.) sodium carbonate
4 g (1/2 tsp.) Vitamin C crystals or powder from your health food store
4 ml. 1% Phenidone stock solution (I dissolve 1 g Phenidone in 100 ml. 90% isopropyl alchohol from the pharmacy.)
Try a starting time around 6-7 minutes at 72F (22C). You may have to play with it a bit to get the time you want, but that will get you in the ballpark.
Use this as a one-shot. Takes no more than 2 minutes mixing time. Very fine grain, full tonal scale. I call it PCM for the phenidone, Vitamin C, metaborate version or PCC for the carbonate version. I find the carbonate works best with Delta 100, Fuji ACROS, while the metaborate version works best with Delta 400. For the slower films, the metaborate version needs 9-10 minutes.
dancqu said:The fellow who compounded MYTOL, the homebrew XTOL; he did
not know that the sulfite in his formula was "totally unnecessary"
and "does nothing"? Imagine that. Dan
jim appleyard said:If the Sod. Sulfite does nothing, then what acts as the preservative for the developer? Does the Vit. C do double duty, preservative AND developer?
Charles Webb said:Nichole,
When you have tried them all, D 76 will be close to the top of the list in giving super sharp nearly grain free printable negatives.
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