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Condon, MT • Aug 17-22 2008
Master Class in Patinum & Palladium Printing - This class is open to intermediate/advanced Pt/Pd printers working with either in-camera or digitally generated negatives. Emphasis will be placed on the steps of pre-visualization, optimizing the potential of suitable images and ultimately, the making of the final print to communicate the student’s vision to the viewer.Presentations will be given on the work of notable Pt/Pd printers to demonstrate the uniqueness of the Pt/Pd print and aid the student in determining the types of visual statements most appropriate to the medium. Portfolios will be reviewed to identify the unique personal vision of each student. To achieve the goals of the Master Class, processing methods will be presented in combination with various papers suitable for Pt/Pd printing. Field trips are planned, and a laboratory and computers necessary to make images will be provided on site. It is suggested that those students working with in-camera negatives have a working knowledge of basic metering and negative making techniques. These techniques are covered extensively in my book, Platinum & Palladium Printing. 2nd edition, available from dick.arentz@nau.edu. For those students working with digitally generated negatives, Mark Nelson’s method will be used. Students should have a working knowledge of that process and, ideally, come to the workshop with negatives printed using that method. Mark Nelson’s CD, Precision Digital Negatives, is available from Mark at precisiondigitalnegatives.com. Fee: $725.00.
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Private Workshops
Contact Dick about private sessions tailored to your schedule.
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Standard Negative Contrast Ranges for Palladium Prints
Na2 (Sodium Chloroplatinate) Method
| Mixture |
Negative Contrast |
Solution |
Drops |
| No. 1* |
Very Contrasty (1.85)
Palladium
Na2 (Sodium Chloroplatinate) |
A
Pd
2.5% |
6
6
1 |
| No. 2 |
Very Contrasty (1.75)
Palladium
Na2 |
A
Pd
5% |
6
6
1 |
| No. 3 |
Contrasty (1.60)
Palladium
Na2 |
A
Pd
10% |
6
6
1 |
| No. 4 |
High Medium (1.50)
Palladium
Na2 |
A
Pd
5% |
6
6
3 |
| No. 5 |
Medium (1.40)
Palladium
Na2 |
A
Pd
20% |
6
6
1 |
| No. 6 |
Low Medium (1.30)
Palladium
Na2 |
A
Pd
10% |
6
6
3 |
| No. 7 |
Thin (1.20)
Palladium
Na2 |
A
Pd
20% |
6
6
2 |
| No. 8 |
Very Thin (1.15-1.10
)
Palladium
Na2 |
A
Pd
20% |
6
6
3 |
Standard Negative Contrast Ranges for Palladium Prints. Na2 (Sodium Chloroplatinate) Method. * May Need One Drop of 3% Hydrogen Peroxide to prevent fogging.
Because the twelve-drop system is traditionally used in Pt and Pd printing, we have kept that format. Each supplement of Na2 is in addition to the twelve drops of coating (6 drops of Pd salt: 6 drops of ferric oxalate A). Note that ferric oxalate A contains no chlorate. Na2 concentrations of 2.5%, 5%, 10% and 20 % are used. The 5% and 10% are doubled in some cases to two drops per twelve to reach intermediate contrast ranges. For the greatest contrast, 20% is doubled or tripled to two or three drops per twelve of coating.
Standard Negative Contrast Ranges: The NA2 (Sodium Chloroplatinate) Method. Subject to revision. Copyright Dick Arentz ©2003.
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