• Welcome to Photrio!
    Registration is fast and free. Join today to unlock search, see fewer ads, and access all forum features.
    Click here to sign up

Recent content by Graham51

  1. A
    Making Ammonium Thiosulfate from Ammonium Sulphate fertilizer????????

    Thanks for that. Point taken re ionic strength, concentration etc. Reality is the key.

  2. A
    Making Ammonium Thiosulfate from Ammonium Sulphate fertilizer????????

    From my understanding of chemistry, ammonium thiosulphate fixer is rapid because silver halides form soluble complexes with BOTH thiosulphate and NH3 (ammonia) and hence render those insoluble silver halide crystals soluble. The ammonium ion (NH4+) in solution is in equilibrium with NH3 in...
Photrio.com contains affiliate links to products. We may receive a commission for purchases made through these links.
To read our full affiliate disclosure statement please click Here.

PHOTRIO PARTNERS EQUALLY FUNDING OUR COMMUNITY:
Ilford ADOX Freestyle Photographic Stearman Press Weldon Color Lab Blue Moon Camera & Machine
Top Bottom