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CHEMICALS DEVELOPER Flashcards

(8 cards)

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1
Q

DEVELOPING AGENT

A

PHENIDONE

REDUCING AGENT; PRODUCES SHADES OF GRAY RAPIDLY

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2
Q

DEVELOPING AGENT

A

HYDROQUINONE

REDUCING AGENT; PRODUCES BLACK TONES SLOWLY

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3
Q

ACTIVATOR

A

SODIUM CARBONATE

HELPS SWELL GELATIN; PRODUCES ALKALINITY; CONTROLS PH

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4
Q

RESTRAINER

A

POTASSIUM BROMIDE

ANTIFOG AGENT; PROTECTS UNEXPOSED CRYSTALS FROM CHEMICAL ATTACK

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5
Q

PRESERVATIVE

A

SODIUM SULFITE

CONTTROLS OXIDATION; MAINTAINS BALANCE AMONG DEVELOPER COMPONENTS

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6
Q

HARDENER

A

GLUTARALDEHYDE

CONTROLS EMULSION SWELLING AND ENHANCES ARCHIVAL QUALITY

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7
Q

SEQUESTERING AGENT

A

CHELATES

REMOVES METALLIC IMPURITIES; STABILIZES DEVELOPING AGENT

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8
Q

SOLVENT

A

WATER

DISSOLVES CHEMICAL FOR USE

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