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photographic solutions
| 配方类型： |
INTRODUCTION |
| 配方组成： |
stock solution (b)
pure sodium bisulfite/280 gr
pure sodium sulfite/7 oz
stock solution (a)
pure sodium carbonate/5 oz
distilled water/64 oz
potassium bromide/32 gr
dissolbe separately in a glass or enamel dish.
use the following proportions:
stock solution a/2
stock solution b/2
distilled water/16
distilled water/64 oz
pyro/4 oz
developing solution
dissolve in a glass or enamel dish. |
| 配制方法： |
at 65°F, this developer requires about 8 minutes. |
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