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PROCESSOR CHEMISTRY
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PROCESSOR COMPARTMENTS
DEVELOPMENT FIXING WASHING DRYING
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AUTOMATIC PROCESSOR
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AUTOMATIC PROCESSOR DAYLIGHT SYSTEM
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FEEDING FILM INTO THE PROCESSOR
FEED TRAY
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FUNCTIONS OF H2O IN PROCESSOR
WETTING AGENT--DEVELOPER SOLVENT—FIXER & DEVELOPER
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MEDIUM IN WHICH OTHER CHEMICALS ARE DISSOLVED OR SUSPENDED.
SOLVENT MEDIUM IN WHICH OTHER CHEMICALS ARE DISSOLVED OR SUSPENDED.
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WETTING AGENT AGENT CAUSING THE GELATIN OF THE FILM EMULSION TO SWELL AND ALLOWS REACTION OF THE DEVELOPER CHEMICALS WITH THE FILM EMULSION COMPONENTS.
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FUNCTION OF DEVELOPER CONVERSION OF THE IONIC CHAINS OF SILVER INTO BLACK METALLIC SILVER Ag+1+ -e Ag0
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LATENT IMAGE MANIFEST IMAGE
DEVELOPER: LATENT IMAGE MANIFEST IMAGE
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DEVELOPER
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DEVELOPER COMPONENTS REDUCING AGENT I REDUCING AGENT II
BUFFERING AGENT RESTRAINER PRESERVATIVE HARDENER SOLVENT PHENIDONE HYDROQUINONE SODIUM CARBONATE POTASSIUM BROMIDE SODIUM SULFITE GLUTERALDEHYDE WATER
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REDUCING AGENTS SUPPLY ELECTRONS FOR REDUCTION OF IONIC SILVER INTO METALLIC FORM. PHENIDONE –ACTS QUICKLY, PRODUCES GRAY TONES IN THE IMAGE. HYDROQUINONE– ACTS SLOWLY, PRODUCES BLACK TONES IN THE IMAGE
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HYDROQUINONE + PHENIDONE SYNERGISTIC REACTION ( WORK TOGETHER TO PRODUCE THE MANIFEST IMAGE.
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REDUCTION ACTION --
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REDUCING ACTION HYDROQUINONE PHENIDONE
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PRODUCES ALKALINE ( BASIC) pH + SWELLS EMULSION PH ACIDIC ALKALINE
BUFFERING AGENT PRODUCES ALKALINE ( BASIC) pH + SWELLS EMULSION PH ACIDIC ALKALINE 7
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DEVELOPER pH ALKALINE !!!!
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ANTIFOGGING AGENT + MAINTAINS PROPER ACTIVITY OF THE REDUCING AGENTS
RESTRAINER ANTIFOGGING AGENT + MAINTAINS PROPER ACTIVITY OF THE REDUCING AGENTS
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PRESERVATIVE CONTROLS OXIDATION SUL-FITE --- FIGHTS OXIDATION.
Maintains balance of developer components.
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REDUCES EMULSION SWELLING+ HARDENS EMULSION+ PROVIDES ARCHIVAL QUALITY
HARDENER REDUCES EMULSION SWELLING+ HARDENS EMULSION+ PROVIDES ARCHIVAL QUALITY
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SOLVENT DISSOLVES CHEMICALS
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ALLOWS PENETRATION OF THE FILM EMULSION BY DEVELOPER CHEMICALS
WETTING AGENT ALLOWS PENETRATION OF THE FILM EMULSION BY DEVELOPER CHEMICALS
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WETTING AGENT WATER
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FIXER CHEMICALS FIXING AGENT ACTIVATOR HARDENER PRESERVATIVE BUFFER
SOLVENT AMMONIUM THIOSULFATE ACETIC ACID POTASSIUM ALUM SODIUM SULFITE ACETATE WATER
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FIXING AGENT ( CLEARING)
REMOVES UNDEVELOPED AgBr FROM EMULSION.
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HYPORETENTION RETENTION OF THE FIXING AGENT IN THE EMULSION. IT PRODUCES BROWN DISCOLORATION ON THE FILM. IT CAUSES POOR ARCHIVAL QUALITY OF THE FILM.
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HYPORETENTION
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ACTIVATOR STOPS THE DEVELOPMENT PROCESS BY PRODUCING ACIDIC Ph. IT NEUTRALIZES RESIDUAL DEVELOPER.
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ACTIVATOR DEVELOPER FIXER
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FIXER pH ACIDIC
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HARDENER HARDENS EMULSION FOR EASY TRANSPORT OF THE FILM THROUGH THE PROCESSOR. ENSURES RAPID DRYING.
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INADEQUATE HARDENING
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PRESERVATIVE CHEMICAL BALANCE
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BUFFER MAINTAINS ACIDIC pH
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DEVELOPER vs FIXER pH? DEVELOPER FIXER
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SOLVENT WATER
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WASHING H20
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DRYING
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