Hypo
Common name for a fixing bath that's made with sodium thiosulphite salts which used to be known as hyposulphite of soda.
Search SWPP and BPPA
Information provided by: SWPP BPPA
More Photographic Terms ...
Hypo
Techniques Glossary Hypo
Common name for a fixing bath that's made with sodium thiosulphite salts which used to be known as hyposulphite of soda.
Hypo The name for a fixing bath made from sodium thiosulfate, other chemicals, and water; often used as a synonym for fixing bath.
HYPO - A fixing bath composed of various chemicals including sodium thiosulfate and water.
Hypo
Popular name for a fixing agent, derived from an abbreviation of hyposulfite of soda, the misnomer applied to sodium thiosulphate during the 19th century.
(see Fix)
...
hypo
an abbreviation for sodium thiosulphate or sodium hyposulfite, a chemical used to fix the image on photographic film after it has been developed.
Hypo. Abbreviation of hyposulfate of soda, an incorrect early name for sodium thiosulfate. Popular name for fixing bath.
Hypo
A common name for any fixer; from the abbreviation for sodium hyposulfite, the previous name for sodium thiosulfate (the active ingredient in most fixers).
Fixer (Hypo)-A chemical, sodium thiosulfate, used to remove residual silver halides (grain) from films and prints when processing them. Fixer "fixes" the remaining silver halides in place on either film or prints. Fixer is also called hypo.
Hypo-clear (wash aid): 2 minutes
Agitate continuously. For TMAX films, pour used hypo-clear into graduate. If the solution is purplish, repeat steps 4 and 5.
Wash ...
Fixer and Hypo Clearing Agent (HCA) should be mixed according to the package instructions. Powder fixers often come with the hardener included in one package. Other liquid fixers require mixing of 2 elements.
Rate of Water Change The length of washing time also depends on the diffusion of the hypo from the emulsion of the material. The rate of diffusion depends on the amount of fresh water coming into contact with the emulsion.
"Man Ray grabbed them, put them in the hypo and looked at them later. He didn't even bother to bawl me out, since I was so sunk.
Just me, the hypo, my Graylab timer, and my music. Each session taught me a new nuance regarding filter grades, time in the developer, feathering the light, and so much more. It certainly gave me a one up when I made the transition to Photoshop.
A chemical that neutralises hypo in film or paper, reducing wash time and helping to provide a more stable image.
Click stop.
Ball bearing and recess or similar construction used to enable shutter speeds, aperture values, etc. to be set by touch.
A 'hypo' clearing agent may be added to this step in the process where time constraints are a concern and can reduce this phase down to as fast as five minutes.
Miscellaneous chemicals and darkroom equipment like fixer test solution, hypo clearing agent, wetting agent, changing plastic bags, safe lights, timers, and trays ...
Fix
Chemical process which converts unused light-sensitive silver-halide crystals to a soluble silver complex in both negatives and prints, making the image stable and unalterable in white light. Also referred to as hypo.
(see Hypo) ...
'One could use traditional hypo, but cyanide gives a richer result,' says Dole. 'And it's the way it was done in the 19th century. Silver nitrate, the light-sensitive coating, can blind you if it comes in contact with your eyes.
After exposure to sunlight, the finished print is fixed in "hypo', washed and dried. Unless they have been glazed or varnished, salt prints have a matte surface, with the image actually embedded in the fibers of the paper.
-Rapid fixer - fixing solution that uses ammonium thiocyanate or thiosulfate instead of hypo.
Stop Bath An acid rinse, usually a weak solution of acetic acid, used as a second step when developing black-and-white film or paper. It stops development and makes the hypo (fixing bath) last longer.
 See also: Photograph, Print, Film, Light, Image
|
