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Cyanide in the "Olden" days | Photrio.com Photography Forums
- https://www.photrio.com/forum/threads/cyanide-in-the-olden-days.94276/#:~:text=The%20problem%20with%20cyanide%20in%20wet-plate%20photography%20was,wrong%20bottle%20at%20the%20end%20of%20the%20day.
- none
Photography and Potassium Cyanide: How do the Facts …
- https://www.cambridgeincolour.com/forums/thread15099.htm
- The ferricyanide (a.k.a. hexacyanoferrate (III)) was commonly used in Farmer's solution to 'bleach' B/W photos and negatives. (see here for the wikipedia entry). To get back to the OP's question: I have used the ferricyanide (in Farmer's reducer) in the 70's,and iirc it was considered more or less a standard tool.
Cyanide Images and Stock Photos. 684 Cyanide …
- https://www.canstockphoto.com/images-photos/cyanide.html
- Cyanide word cloud Stock Photography by ibreakstock 1 / 3 Hydrogen cyanide (HCN, Prussic acid) poison molecule, chemical s Stock Photos by molekuul 1 / 32 Chemical structure of Vitamin B12 Stock Photo by ibreakstock 1 / 61 Manihot esculenta or cassava Pictures by annavee 1 / 26 Injection Stock Photo by alexionas 1 / 29 Environmental disaster. Panorama of a lake full with …
Cyanide in the "Olden" days | Photrio.com Photography …
- https://www.photrio.com/forum/threads/cyanide-in-the-olden-days.94276/
- After dissolving the unexposed silver halides cyanide would also remove non-image fog producing very clean shadow areas. Prolonged fixing would eventually remove image silver. Tincture of iodine was added to dilute solutions of potassium cyanide and used to remove unwanted non-image silver in photographic materials and to remove silver stains."
Photography Chemicals – CSB/SJU
- https://www.csbsju.edu/environmental-health-safety/programs/studio-and-shop-safety/arts-theater/photography-chemicals
- 94 rows
Say goodbye to cyanide: a less toxic approach to fixing …
- https://www.alternativephotography.com/say-goodbye-to-cyanide-a-less-toxic-approach-to-fixing-wet-collodion-plates/
- Writer and photography / Elizabeth Graves. Elizabeth Graves shares her favorite developer recipe for wet collodion plates, which works well with a sodium thiosulfate fixer. When I attended a workshop to learn how to make plates using the wet plate collodion process, I was told that potassium cyanide is the best fixer for plates. Our instructor ...
Potassiumcyanide from darkroom chemicals? | Photo.net …
- https://www.photo.net/discuss/threads/potassiumcyanide-from-darkroom-chemicals.5499373/
- In a TV police serie episode a photographer was suspected for poisoning a person with potassiumcyanide. There was said, that it is possible to make that from darkroom chemicals, and police was searching in the darkroom. As far as I know there are no such ingredients in common darkrooms, and there is no use of cyanice.
Where Can I Buy Cyanide? | Best Places to Buy Good …
- https://exitmeds.com/where-can-i-buy-cyanide/
- Alternatively, if a relative needs cyanide for metal cleaning, exterminate pests, develop photographs or one of the old guardians have chosen to die calmly with the help of cyanide, you can lead them to our shop. How long will it take cyanide to kill you?
wet-collodion process | photography | Britannica
- https://www.britannica.com/technology/wet-collodion-process
- calotype, also called talbotype, early photographic technique invented by William Henry Fox Talbot of Great Britain in the 1830s. In this technique, a sheet of paper coated with silver chloride was exposed to light in a camera obscura; those areas hit by light became dark in tone, yielding a negative image.
An Introduction to Photographic Processes - The New York Public Library
- https://www.nypl.org/collections/nypl-recommendations/guides/photographic-processes
- Most photographic images produced during the 19th century were contact prints. cyanotype • Contact printing process invented in 1840 by Sir John Herschel. The image is created by ferrous cyanide, which imparts a blue tone to the paper.
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