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#1
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Microphen-type replenisher
Is there a published formula for a replenisher to match Formula #22,
"Microphen-like" developer in the Darkroom Cookbook? |
#2
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Microphen-type replenisher
"Lew" wrote in message ... Is there a published formula for a replenisher to match Formula #22, "Microphen-like" developer in the Darkroom Cookbook? The formula in Anchell is probably Ilford ID-68. The replenisher for it is Ilford ID-68R. Water (at 125F or 52C) 750.0 ml Sodium Sulfite, dessicated 85.0 grams Hydroquinone 8.0 grams Borax 7.0 grams Phenidone 0.22 grams Cold water to make 1.0 liter Add to the developer to keep up the volume. For those who might want the developer formula here it is: Ilford ID-68 Water (at 125F or 52C) 750.0 ml Sodium Sulfite, dessicated 85.0 grams Hydroquinone 5.0 grams Borax 7.0 grams Boric Acid, crystaline 2.0 grams Potassium Bromide 1.0 gram Phenidone 0.13 grams Water to make 1.0 liter This is similar but not identical to Microphen. It is a Phenidone version of buffered D-76. ID-68 yields slightly higher speed and slightly coarser grain than D-76. -- --- Richard Knoppow Los Angeles, CA, USA |
#3
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Microphen-type replenisher
Actually, Anchell gives ID-68, ID-68R, *and* #22 which is supposedly very
similar to Microphen. The distinguishing characteristic between #22 and ID-68 seems to be amount of borax. Formula #22 from p.155: Water 750.0 ml Sodium sulfite 100.0 gms Hydroquinone 5.0 gms Borax, granular 3.0 gms Boric acid, granular 3.5 gms Potassium bromide 1.0 gms Phenidone 0.2 gms .... add water to make 1.0 l. "Richard Knoppow" wrote in message ink.net... "Lew" wrote in message ... Is there a published formula for a replenisher to match Formula #22, "Microphen-like" developer in the Darkroom Cookbook? The formula in Anchell is probably Ilford ID-68. The replenisher for it is Ilford ID-68R. Water (at 125F or 52C) 750.0 ml Sodium Sulfite, dessicated 85.0 grams Hydroquinone 8.0 grams Borax 7.0 grams Phenidone 0.22 grams Cold water to make 1.0 liter Add to the developer to keep up the volume. For those who might want the developer formula here it is: Ilford ID-68 Water (at 125F or 52C) 750.0 ml Sodium Sulfite, dessicated 85.0 grams Hydroquinone 5.0 grams Borax 7.0 grams Boric Acid, crystaline 2.0 grams Potassium Bromide 1.0 gram Phenidone 0.13 grams Water to make 1.0 liter This is similar but not identical to Microphen. It is a Phenidone version of buffered D-76. ID-68 yields slightly higher speed and slightly coarser grain than D-76. -- --- Richard Knoppow Los Angeles, CA, USA |
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