Conventional Film Developing Stages - History Page

	Date/Time	Made By	Edit Note	Type	Scope
	Jun 28 2006, 8:58 AM EDT	AndyC		edit	92 words added 16 words deleted
Change: the film emulsion therefore protecting the film from damageas well as accelerating film drying timePreservative - Sodium Sulphite maintains the chemical balance and improves the shelf life of the productBuffer - Acetate maintains the correct PHSequestering Agent - Removes aluminium ionsSolvent - H2O dissolves other compounds View changes from previous version. (Word count: 361)
	Jun 28 2006, 8:36 AM EDT	AndyC		edit	21 words added
Change: Developer activity is affected by pH changes, Oxidation, Evaporation, Temperature, Processing byproducts (bromide). Proper replenishment of the developer mitigates these effects.The chemical developer contains:WetterPhenidoneHydroquinoneAcceleratorBuffer AgentRestrainerHardenerSequestering AgentPreservativesFungicideAnti frothantFixerThe chemical fixer contains:Fixing AgentHardenerPreservativeBufferSequestering View changes from previous version. (Word count: 282)
	Jun 28 2006, 8:34 AM EDT	AndyC		edit	38 words added 8 words deleted
Change: Processing chemistry plays a key role in image formation and also affects other image characteristics such as: ArtifactsSurface qualityImage toneStabilityFilm drying There are three main stages.stages in film processingThe exposed film is first treated with the Developerdeveloper to bring out the imageimage. View changes from previous version. (Word count: 261)
	Jun 27 2006, 10:00 PM EDT	louisep		edit	7 words added 8 words deleted
Change: isare three main stages. The exposed film is first is treated with the Developer to bring out the image then Fixer to hold that image in place and finally undergoes a Drying processprocess.DeveloperThe chemical developer containscontains:WetterPhenidoneHydroquinoneAcceleratorBuffer AgentRestrainerHardenerSequestering View changes from previous version. (Word count: 231)
	Jun 27 2006, 1:14 PM EDT	AndyC		edit	31 words added 1 word deleted
Change: process can either be performed by hand or with an automatic processor.There is three main stages. The exposed film is first is treated with the Developer to bring out the image then Fixer to hold that image in place and finally undergoes a Drying process.processDeveloperThe View changes from previous version. (Word count: 232)
	Jun 27 2006, 1:11 PM EDT	AndyC		edit	4 words added 2 words deleted
Change: developerDeveloper then Fixer and finally undergoes a dryingDrying process.DeveloperThe chemical developer containsWetterPhenidoneHydroquinoneAcceleratorBuffer AgentRestrainerHardenerSequestering AgentPreservativesFungicideAnti frothantFixerThe chemical fixer containsFixing AgentHardenerPreservativeBufferSequestering AgentSolventDryingWith warm dry airDeveloper View changes from previous version. (Word count: 202)
	Jun 27 2006, 1:10 PM EDT	AndyC		edit	18 words added 1 word deleted
Change: processing. The exposed film first is treated with the developer then Fixer and finally undergoes a drying process.DeveloperThe developer containsWetterPhenidoneHydroquinoneAcceleratorBuffer AgentRestrainerHardenerSequestering AgentPreservativesFungicideAnti frothantFixerThe fixer containsFixing AgentHardenerPreservativeBufferSequestering AgentSolventDryingWith View changes from previous version. (Word count: 200)
	Jun 27 2006, 1:09 PM EDT	AndyC		edit	49 words added
Change: agentFixer in DetailFixing Agent - Amonium thiosulphate removes undeveloped Silver (Ag) Halide from emulsionHardener - Stiffens and shrinks the emulsionPreservative - Sodium Sulphite maintains the chemical balanceBuffer - Acetate maintains the correct PHSequestering Agent - Removes aluminium ionsSolvent - H2O dissloves other compounds View changes from previous version. (Word count: 183)
	Jun 27 2006, 1:05 PM EDT	AndyC		edit	141 words added 1 word deleted
Change: for chemicals to penetrate through the gelatin emulsion on the film the radiograph must be treated with a wetting agentPhenidone - Produces grey shades rapidly on the radiographHydroquinone - Produces black shades on the radiograph slowlyAccelerator - Oxygenates the solution to speed View changes from previous version. (Word count: 140)
	Jun 27 2006, 12:54 PM EDT	AndyC	Rename	rename	No content added or deleted.
Change: Renamed from Film Processing Stages by AndyC Jun 27 2006, 12:54 PM EDT for: Rename
	Jun 27 2006, 12:53 PM EDT	AndyC		edit	8 words added
Change: This is the stages that film undergoes w View changes from previous version. (Word count: 8)
	Jun 27 2006, 12:52 PM EDT	AndyC		create	No content added or deleted.
Change: Created by AndyC Jun 27 2006, 12:52 PM EDT for: no reason given