Table 2 Constituents of the developer solution used for the Timm-Haug73 version.
Stock Solutions | Volume (mL) | grams | g/100 mL(%) | Mol |
|---|---|---|---|---|
Gum arabic | 8000 | 4000 | 50,00 | NA |
Citrate buffer | 100 | |||
Citric acid.H2O | 25,50 | 25,50 | ||
Tri-Na citrate.2 H2O citrate.2H20citrate.2H2O | 23,50 | 23,50 | ||
Citric + citrate | 2,01252 | |||
Hydroquinone | 100 | 5,67 | 5,67 | |
Silver nitrate | 50 | 8,50 | 17,00 | |
Final developer | ||||
Gum arabic | 60 | 30,00 | 30,00 | NA |
Citrate buffer | 10 | 4,90 | 4,90 | 0,201 |
Hydroquinone | 30 | 1,701 | 1,701 | 0,154 |
Silver nitrate | 0,5 | 0,085 | 0,085 | 5 × 10−3 |
Total | 100,50 | |||
