| 发明名称 |
Method for determining the proper replenishment for a developing solution |
| 摘要 |
A method is disclosed in converting silver halide to silver by use of a developer containing two compounds which can be titrated in a single potentiometric titration with silver nitrate and based on the titration an additional quantity of the two compounds are added to depleted developer.
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| 申请公布号 |
US5541027(A) |
申请公布日期 |
1996.07.30 |
| 申请号 |
US19940355790 |
申请日期 |
1994.12.14 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMAPNY |
发明人 |
WUELFING, JR., PETER |
| 分类号 |
G03C5/30;G03C5/31;(IPC1-7):G03C5/00;G03C5/18;G03C5/26;G03C3/00 |
主分类号 |
G03C5/30 |
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