Post by Steaphany on Jul 14, 2013 23:04:07 GMT
From the Amateur Photographic Science Page:
First prepare:
Ansco 45 Stock Solution A
to
add and dissolve
then add
Second prepare:
Ansco 45 Stock Solution B
to
add and dissolve
then add
Third prepare:
Ansco 45 Stock Solution C
to
add and dissolve
then add
Prepare:
Ansco 45 Tank Working Solution ( 500 ml )
to
add and mix
Prepare:
Ansco 45 Tray Working Solution ( 500 ml )
to
add and mix
This formula is recommended to those who prefer Pyro development. Stock solutions should be kept in stoppered bottles.
Normal tank development time is from 9 to 12 minutes at 20ºC and tray development time is 6 to 8 minutes at 20ºC.
First prepare:
Ansco 45 Stock Solution A
to
| Warm Water ( ~50ºC ) | CAS # 7732-18-5 | 750 ml |
add and dissolve
| Sodium Bisulfite | CAS # 7631-90-5 | 9.8 grams |
| Pyrogallol ( Benzene-1,2,3-Triol ) | CAS # 87-66-1 | 60.0 grams |
| Potassium Bromide ( Anhydrous ) | CAS # 7758-02-3 | 1.1 grams |
then add
| Cold Water ( ~20ºC ) | CAS # 7732-18-5 | to make 1,000 ml |
Second prepare:
Ansco 45 Stock Solution B
to
| Warm Water ( ~50ºC ) | CAS # 7732-18-5 | 750 ml |
add and dissolve
| Sodium Sulfite ( Anhydrous ) | CAS # 7757-83-7 | 105.0 grams |
then add
| Cold Water ( ~20ºC ) | CAS # 7732-18-5 | to make 1,000 ml |
Third prepare:
Ansco 45 Stock Solution C
to
| Warm Water ( ~50ºC ) | CAS # 7732-18-5 | 750 ml |
add and dissolve
| Sodium Carbonate (Monohydrated) | CAS # 5968-11-6 | 85.0 grams |
then add
| Cold Water ( ~20ºC ) | CAS # 7732-18-5 | to make 1,000 ml |
Prepare:
Ansco 45 Tank Working Solution ( 500 ml )
to
| Cold Water ( ~20ºC ) | 393 ml |
add and mix
| Ansco 45 Stock Solution A | 36 ml |
| Ansco 45 Stock Solution B | 36 ml |
| Ansco 45 Stock Solution C | 36 ml |
Prepare:
Ansco 45 Tray Working Solution ( 500 ml )
to
| Cold Water ( ~20ºC ) | 350 ml |
add and mix
| Ansco 45 Stock Solution A | 50 ml |
| Ansco 45 Stock Solution B | 50 ml |
| Ansco 45 Stock Solution C | 50 ml |
This formula is recommended to those who prefer Pyro development. Stock solutions should be kept in stoppered bottles.
Normal tank development time is from 9 to 12 minutes at 20ºC and tray development time is 6 to 8 minutes at 20ºC.