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Old 8th January 2016, 04:38 PM
ashfaque ashfaque is offline
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Default Beutler Formula (aka Neofin Blue)

Hello Everyone,

I would like to pick your brains on Beutler (aka, Neofin Blue)

According to ANCHELL (2008), the formula is
Quote:
PART A
Water at 125F/52C, 750.0 ml
Metol, 10.0 g
Sodium sulphite, 50.0 g
Water to make 1.0 liter

PART B
Water at 125F/52C, 750.0 ml
Sodium carbonate, anhydrous, 50.0 g
Water to make 1.0 liter
Mix 1 part A, 1 part B, and 8 parts water. Develop T-Max 100 for 8 minutes at 68F/20C.
According to Digitaltruth Photo, it is
Quote:
PART A
Water 750ml
Metol10g
Sodium Sulphite (anhydrous) 50g
Water to make 1000 ml

PART B
Water 750ml
Sodium Carbonate (anhydrous) 50g
Water to make1000ml
Mixing Instructions: Add chemicals in specified sequence.
Dilution: 1+1+10
Is Anchell (2008) referring to anhydrous sodium sulphite? It's not mentioned in the formula.

Bests,

Ashfaque
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Last edited by ashfaque; 8th January 2016 at 04:51 PM.
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Old 8th January 2016, 04:42 PM
John King John King is offline
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Yes it is anhydrous.
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Old 8th January 2016, 07:26 PM
ashfaque ashfaque is offline
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Thanks for clarifying, John.
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Old 9th January 2016, 08:43 AM
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A very nice and fine developer. You'll enjoy it.
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  #5  
Old 15th January 2016, 06:09 AM
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The formula of Beutler is correct as is the 1 part A + 1 part B + 8 parts of water, but it is NOT the same as Neofin Blue which also uses hydroquinone and phenidone as shown in the MSDS for that particular product.

That is not to say that 1 part A + 1 part B + 10 parts of water wont work.
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Old 15th January 2016, 10:40 AM
Lostlabours Lostlabours is offline
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The formula for commercial Neofyn Blue (original spelling) has changed originally it was just Metol, now it's Metol with a small amount of Hydroquinone according to the MSDS.

Ilford's high definition developer Hyfin contained Glycin, others a small amount of Pyrocatechin or Meritol (a fusion of Pyrocatechin and p-phenyldiamine).

Ian
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Old 15th January 2016, 04:41 PM
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The MSDS for Neofin Blue is below.

http://www.argentix.ca/msd/104.pdf
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Old 15th January 2016, 05:10 PM
Lostlabours Lostlabours is offline
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I don't trust that MSDS

Ian
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Old 17th January 2016, 07:22 PM
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Miha Miha is offline
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Here is the latest: http://www.tetenal.de/sidaopener_de....AUK/100127.pdf
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Old 19th January 2016, 06:17 AM
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Quote:
Originally Posted by Miha View Post
This MSDS looks the same as what I posted earlier. The point I was making is that Neofin Blue is a far more sophisticated formula than developers such as Beutler's and G.W.Crawley's FX1 and FX2 high-acutance devs. Beutler's is 'not' Neofin Blue.
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