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  1. #1
    mrred's Avatar
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    Devided Developers

    What PH do I need to keep the A bath to stop metol or phenidone from activity with or without ascorbic acid?
    Get it right in the camera, the first time...

  2. #2

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    A pH of 5.5 to 6.0 should be alright.
    A rock pile ceases to be a rock pile the moment a single man contemplates it, bearing within him the image of a cathedral.

    ~Antoine de Saint-Exupery

  3. #3
    mrred's Avatar
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    If I am using metol and sodium metabisulphite or sodium bisulphite to lower the ph, would I still need some sodium sulphite as a preservative?
    Get it right in the camera, the first time...

  4. #4
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    Quote Originally Posted by mrred View Post
    If I am using metol and sodium metabisulphite or sodium bisulphite to lower the ph, would I still need some sodium sulphite as a preservative?
    No.
    Trying to be the best of whatever I am, even if what I am is no good.

  5. #5
    mrred's Avatar
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    Thanks for the replies folks, short and sweet like I like them!
    Get it right in the camera, the first time...



 

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