welcome everybody
I know that this study was conducted by one of the researchers from the great photrio foundation, so I hope to get answers about these inquiries.
Actually ,,,
I re-read this great study, and every day I get more impressed with that study and also my admiration and respect for the staff that made this wonderful study.
- I really feel that it is a very accurate academic study and it consists of a semi-professional research team, there is a main researcher and there are professors (professional chemists) who supervise and guide.
- The research report was also written in a semi-academic and very arranged manner. At the beginning of the research, the researcher wrote a wonderful introduction, and he explained the reasons for starting this study and listed the alternative operations currently available and mentioned the advantages and disadvantages of each process and then settled that that process (Agfa Scala is the most suitable and accurate of all these operations.
- The process depends on the developer of Rodinal in the first developer and also as a reflection developer, but the researcher mentioned several other alternatives that can be relied upon as an alternative to the developer of Rodinal ( Agfa Neutol WA ).
- Conclusion ,,,
I really like this study to the fullest extent.
But there are two problems with that study:
First - that the study is based only on the use of a rotary machine (JOBO), and the researcher determines the quantities according to the capacity of the machine tank (JOBO), which is 260 ml ,,, and may say, well you can prepare two or more packages from this developer and then get the One liter or more.
*** But my answer is, that the tin chloride in the second developer was quantified very precisely on the basis that the amount of the developer is 260 ml and also doubled the amount maybe we will get re-exposure in excess of the required limit and thus we get a white image, ( This happened to me before in similar tests).
Second: The study did not touch on how to apply this process to the negatives of medium and large structure measurements and large measurements.The short question is (What about manual treatment by hand tank)?
* In case of using the manual tank,
Will the tin chloride concentrations be different?
Will development times be different?
_ Rate of speed and stirring?
Third: Regarding the bleach solution, the researcher did not give me any other solutions and was forced to use only one substance (potassium permanganate) and he did not put any other alternatives.
Can copper sulfate or potassium dichromate be used as successful alternatives?
Fourth: There are some materials that the study relied on and we do not know how we can find alternatives to it, especially with regard to (Tetenal Hardene), (Agfa Agefix) and (Agfa Sistan New) What are the best alternatives to these solutions if they are not available in my country?
I know that this study was conducted by one of the researchers from the great photrio foundation, so I hope to get answers about these inquiries.
Actually ,,,
I re-read this great study, and every day I get more impressed with that study and also my admiration and respect for the staff that made this wonderful study.
- I really feel that it is a very accurate academic study and it consists of a semi-professional research team, there is a main researcher and there are professors (professional chemists) who supervise and guide.
- The research report was also written in a semi-academic and very arranged manner. At the beginning of the research, the researcher wrote a wonderful introduction, and he explained the reasons for starting this study and listed the alternative operations currently available and mentioned the advantages and disadvantages of each process and then settled that that process (Agfa Scala is the most suitable and accurate of all these operations.
- The process depends on the developer of Rodinal in the first developer and also as a reflection developer, but the researcher mentioned several other alternatives that can be relied upon as an alternative to the developer of Rodinal ( Agfa Neutol WA ).
- Conclusion ,,,
I really like this study to the fullest extent.
But there are two problems with that study:
First - that the study is based only on the use of a rotary machine (JOBO), and the researcher determines the quantities according to the capacity of the machine tank (JOBO), which is 260 ml ,,, and may say, well you can prepare two or more packages from this developer and then get the One liter or more.
*** But my answer is, that the tin chloride in the second developer was quantified very precisely on the basis that the amount of the developer is 260 ml and also doubled the amount maybe we will get re-exposure in excess of the required limit and thus we get a white image, ( This happened to me before in similar tests).
Second: The study did not touch on how to apply this process to the negatives of medium and large structure measurements and large measurements.The short question is (What about manual treatment by hand tank)?
* In case of using the manual tank,
Will the tin chloride concentrations be different?
Will development times be different?
_ Rate of speed and stirring?
Third: Regarding the bleach solution, the researcher did not give me any other solutions and was forced to use only one substance (potassium permanganate) and he did not put any other alternatives.
Can copper sulfate or potassium dichromate be used as successful alternatives?
Fourth: There are some materials that the study relied on and we do not know how we can find alternatives to it, especially with regard to (Tetenal Hardene), (Agfa Agefix) and (Agfa Sistan New) What are the best alternatives to these solutions if they are not available in my country?